ericjon262
05-09-2013, 12:26 AM
I posted this info in my intro thread, but I figured it would be more useful here...
I've made a pinout sheet for GM obd2 V6 PCMs, I'm working on editing out the typos here and there, so please bare with me. So far, I've used this pinout, along with a L36 5 speed Fbody bin to make my 5 speed 3500 swap work correctly(hopefully...)
the PCM's these pinouts are derived from support a variety of systems and accessories, including:
FWD and RWD automatic Transaxles/Transmissions
Manual Transmissions (3.8 F body)
DIS (3100, 3400 and, 3800 equipped vehicles)
Coil per cylinder (3.5 Shortstar)
DBW throttle (3.8 F body)
forced induction (3800 supercharged vehicles)
Dual bank fuel control (3.8 F body)
dual bank knock sensors (3.8/3800 cars)
as with all forum info, please use at your own risk.
the PCM P/N's:
16236757
09356741
09357034
09361735
09374997
09378702
09380717
12209614
12209624
GM OBD2 V6 PCM pinout chart. USE AT OWN RISK!
there are 34 totally unused pins
Blue
2000 grand am
2001 olds aurora
Montana
1998 firebird 3.8
2002 firebird 3.8
98-02 L67
1
Trans temp ground
Low Ref
Sensor ground
-
TFT sensor ground
2
-
-
-
Second gear start indicator
Service TCS indicator
-
3
-
-
-
Fuel level indicator
-
Fuel level indicator
4
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
5
High speed fan
High speed fan
High speed fan
High speed fan
High speed fan
High speed fan
6
Low speed fan
Low speed fan
Low speed fan
Low speed fan
Low speed fan
Low speed fan
7
Cam position signal
Cam position signal
Cam position signal
Cam position signal
Cam position signal
Cam position signal
8
3x crank pos ref high
Crank pos 2 signal
3x crank pos ref high
3x crank pos ref
3x crank pos ref
3x crank pos ref
9
24x crank pos high
Crank pos 1 Signal
24x crank pos high
18x crank pos ref
18x crank pos ref
18x crank pos ref
10
MAP 5v ref
MAP 5v ref
MAP 5v ref
-
-
MAP 5V ref
11
-
-
-
-
-
-
12
-
-
-
ECT ground
Low ref
ECT res low
13
MAP/ECT ground
MAP/ECT ground
MAP/ECT ground
MAP ground
Low ref
MAP ref low
14
-
-
-
-
UART serial data(secondary
-
15
-
-
-
Serial data
UART serial data(Primary)
UART serial data
16
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
17
IAT ground
IAT ground
IAT ground
IAT ground
Low reference
ECT ground
18
-
-
-
-
-
-
19
IGN +
IGN +
IGN +
IGN +
IGN +
IGN+
20
B+
B+
B+
B+
B+
B+
21
-
-
-
-
-
22
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
23
-
-
-
-
-
-
24
-
-
-
-
-
-
25
-
-
-
-
-
-
26
-
-
-
-
-
27
-
-
-
Bank 1 HO2S 1 low
Bank 1 HO2S 1 low
-
28
HO2s 2 Low
HO2s 2 Low
HO2s 2 Low
Bank 1 HO2S 3 low
Bank 1 HO2S 3 low
HO2S sensor 2 low
29
HO2s 1 Low
HO2s 1 Low
HO2s 1 Low
Bank2 HO2S 1 low
Bank2 HO2S 1 low
HO2S sensor 1 low
30
TCC brake input
TCC brake input
TCC brake input
TCC brake input
TCC brake input
TCC brake input
31
EGR pintle position ground
EGR pintle position ground
EGR pintle position ground
Sensor ground
Low ref
EGR pintle pos ground
32
EGR valve control
EGR valve control
EGR valve control
EGR valve ground
Egr solenoid control
EGR IGN+
33
Knock sensor
Knock sensor
Knock sensor
Bank1 KS
Bank1 KS
Bank 1 KS
34
-
-
-
Bank 2 KS
Bank 2 KS
Bank 2 KS
35
-
-
-
-
-
36
-
-
-
Generator control
-
Charge warning light
37
-
-
-
-
-
38
IAC valve B high
IAC valve B high
IAC valve B high
IAC valve B high
-
IAC B High
39
-
-
-
-
-
Fuel pump speed control
40
-
-
-
-
-
-
41
-
-
-
-
-
-
42
-
-
-
-
-
-
43
Fuel injector #1
Fuel injector #6
Fuel injector #1
Fuel injector #6
Fuel injector #6
Fuel injector #6
44
2-3 shift solenoid
2-3 shift solenoid
2-3 shift solenoid
Shift solenoid B control
2-3 shift solenoid
2-3 shift solenoid control
45
AIR valve control
AIR valve control
AIR valve control
-
-
AIR control solenoid ground
46
Fuel injector #3
Fuel injector #2
Fuel injector #3
Fuel injector #4
Fuel injector #4
Fuel injector #4
47
Fuel injector #2
Fuel injector #1
Fuel injector #2
Fuel injector #5
Fuel injector #5
Fuel injector # 5
48
3x crank position ref Low
ICM low ref
3x crank position ref Low
3x crank position ref Low
3x crank position ref Low
3x crank position ref low
49
-
Coil 1 control
-
-
-
-
50
-
Coil 2 control
-
-
-
-
51
-
Coil 6 control
-
-
-
-
52
-
Coil 5 control
-
-
-
-
53
Bypass control
Coil 4 control
Bypass control
Bypass control
Bypass control
Bypass control
54
Ignition control
Coil 3 control
Ignition control
Ignition control
Ignition control
Ignition control
55
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
56
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
57
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
58
Class II serial
Class II serial
-
-
-
-
59
-
Class II serial
Class II serial
Class II serial
Class II serial
Class II serial
60
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
61
TPS ground
TPS ground
TPS ground
TPS ground
-
TPS ground
62
Input shaft speed low
Input shaft speed low
Input shaft speed low
-
-
Input shaft speed low
63
Input shaft speed high
Input shaft speed high
Input shaft speed high
-
-
Input shaft speed high
64
VSS high
VSS high
VSS high
VSS high
VSS high
VSS high
65
VSS low
VSS low
VSS low
VSS low
VSS low
VSS low
66
-
-
-
-
-
67
-
-
-
-
-
68
Transaxle range switch B
Transaxle range switch B
Transaxle range switch B
-
-
Trans range switch B
69
MAF signal
MAF signal
MAF signal
MAF signal
MAF signal
MAF signal
70
-
-
-
Theft deterrent fuel enable
Theft deterrent fuel enable
Theft deterrent fuel enable
71
-
Requested torque signal
Requested torque
-
Requested torque
Requested torque
72
Cruise inhibit control
Cruise inhibit control
Cruise inhibit control
Cruise inhibit control
-
Cruise inhibit control
73
Fuel injector #5
Fuel injector #4
Fuel injector #5
Fuel injector #2
Fuel injector #2
Fuel injector #2
74
-
-
-
-
-
75
-
-
-
-
Engine hot lamp
76
Evap purge valve control
Evap purge valve control
Evap purge valve control
Evap purge valve control
Evap purge valve control
Evap purge valve control
77
-
-
-
-
-
78
-
-
-
-
-
79
Fuel injector #6
Fuel injector #5
Fuel injector #6
Fuel injector #1
Fuel injector #1
Fuel injector #1
80
AC pressure sensor ground
AC pressure sensor ground
AC pressure sensor ref low
-
-
AC pressure sensor ref low
clear
2000 grand am
2001 olds aurora
Montana
1998 firebird 3.8
2002 firebird 3.8
98-02 L67
1
-
-
-
-
-
-
2
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
3
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
4
EGR valve IGN +
EGR valve IGN +
EGR valve IGN +
EGR valve control
EGR valve control
EGR valve control
5
SES light
SES light
SES light
SES light
SES light
SES light
6
-
-
Low oil level light
Low oil level light
-
Low oil level light
7
IAC valve A high
IAC valve A high
IAC valve A high
IAC valve A high
-
IAC valve A high
8
-
Engine speed signal
-
-
Engine speed signal
Tach control
9
-
Delivered torque signal
Delivered torque signal
-
Delivered torque signal
Delivered torque signal
10
HO2s 1 signal
HO2s 1 high signal
HO2s 1 signal
Bank 2 HO2S 1 signal
Bank 2 HO2S 1 signal
HO2s 1 signal
11
HO2s 2 signal
HO2s 2 high signal
HO2s 2 signal
Bank 1 HO2S 3 signal
Bank 1 HO2S 3 signal
HO2s 2 signal
12
-
-
Bank 1 HO2S 1 signal
Bank 1 HO2S 1 signal
-
13
-
-
-
-
-
14
-
-
-
-
-
15
-
-
-
-
-
16
Transaxle range switch P
Transaxle range switch P
Transaxle range switch Parity
PNP switch
Neutral safety switch signal
Transaxle range switch P
17
Trans fluid pressure switch C
Trans fluid pressure switch C
Trans fluid pressure switch A
Transmission range C (4L40E)
Transaxle fluid pressure switch C
Transaxle fluid pressure switch C
18
Transaxle range switch A
Transaxle range switch A
Transaxle range switch A
Cruise control/clutch anticipate switch
CPP switch signal
Transaxle range switch A
19
Oil pressure input
-
Oil pressure input
-
-
-
20
-
-
-
-
-
-
21
-
-
-
2nd gear start signal
Traction control switch signal
Performance switch input
22
-
-
AC request
AC request
AC request
AC request
23
-
Crank voltage
crank
Crank signal
Crank signal
-
24
IGN+
IGN+
IGN+
-
Cruise control release signal
-
25
MAP signal
MAP signal
MAP signal
MAP signal
MAP signal
MAP signal
26
ECT signal
ECT signal
ECT signal
ECT signal
ECT signal
ECT signal
27
AC pressure signal
AC pressure signal
AC pressure signal
AC pressure signal
AC pressure signal
AC pressure signal
28
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
29
Generator F terminal monitor
Generator field duty cycle signal
-
-
-
-
30
EGR 5v Ref
EGR 5v Ref
EGR 5v Ref
-
-
EGR 5V ref
31
-
B+
-
-
-
-
32
FTP 5v ref
FTP 5v ref
-
-
-
-
33
TPS 5v ref
TPS 5v ref
TPS 5v ref
TPS 5v ref
5v ref
TPS 5v ref
34
AC pressure 5v ref B
AC pressure 5v ref B
AC pressure 5v ref B
AC pressure 5v ref B
5v ref
AC pressure 5v ref B
35
FTP/fuel level ground
FTP/fuel level ground
Sensor ground
Sensor ground
Low ref
Sensor ground
36
-
-
-
-
-
Change oil lamp control
37
-
HO2s heater low control sensor 1
-
-
-
-
38
-
-
-
-
-
-
39
AC relay control
AC relay control
AC relay control
AC relay control
AC relay control
AC relay control
40
-
-
-
-
-
-
41
-
-
-
-
-
-
42
Fuel injector #4
Fuel injector #3
Fuel injector #4
Fuel injector #3
Fuel injector #3
Fuel injector #3
43
-
-
-
-
-
-
44
IAC valve A low
IAC valve A low
IAC valve A low
IAC valve A low
-
IAC valve A low
45
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
46
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
47
-
-
-
-
-
-
48
-
HO2s low heater control bank 1 sensor 2
-
3-2 control solenoid control
3-2 control solenoid control
-
49
IAC valve B low
IAC valve B low
IAC valve B low
IAC valve B low
-
IAC valve B low
50
IAT signal
IAT signal
IAT signal
IAT signal
IAT signal
IAT signal
51
-
-
-
-
-
-
52
-
-
-
-
-
-
53
-
Oil pressure signal
-
-
-
-
54
-
-
-
-
-
-
55
FTP signal
FTP signal
FTP signal
FTP signal
FTP signal
FTP signal
56
Transaxle range switch C
Transaxle range switch C
Transaxle range switch C
-
-
Transaxle range switch C
57
Trans fluid pressure switch B
Trans fluid pressure switch B
Trans fluid pressure switch B
Transmission range B (4L60E)
Trans fluid pressure switch B
Trans fluid pressure switch B
58
Oil level switch input
Oil level switch input
Oil level switch input
Oil level switch input
Oil level switch input
Oil level switch input
59
Cruise status
Cruise status
Cruise status
Cruise status
-
Cruise status
60
-
Extended travel brake switch signal
-
-
-
-
61
Generator L terminal control
Generator on signal
Generator control
-
Generator turn on signal
Generator L terminal control
62
-
-
-
-
-
-
63
TCC brake input
TCC brake input
TCC brake input
-
-
TCC brake input
64
-
-
-
-
-
-
65
-
-
-
-
-
-
66
TPS signal
TPS signal
TPS signal
TPS signal
-
TPS signal
67
-
-
-
-
-
-
68
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
69
Fuel level input
Fuel level input
Fuel level input
Fuel level input
Fuel level input
Fuel level input
70
24x crank pos B+
12 volt ref
Crank/Cam pos ground
-
-
-
71
-
12 volt ref
-
-
-
-
72
Cam pos B+
12 volt ref
Crank/Cam pos B+
-
-
-
73
Cam pos ground
Low reference
Crank/Cam pos ground
-
-
-
74
24x crank pos ground
Low reference
Crank/Cam pos B+
-
-
-
75
AIR relay control
AIR relay control
AIR relay control
-
-
AIR relay control
76
-
Starter relay coil control
Starter relay coil control
Starter relay coil control
Starter relay coil control
-
77
-
-
-
-
Boost control solenoid control circuit
78
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
79
-
-
-
TCC enable solenoid control
TCC enable solenoid control
-
80
-
Low ref
-
-
-
GM 12200411 PCM pinouts S10 Vs typical V8. Use at own risk.
blue
2002 S-10 4.3
Typical V8 0411
1
ground
ground
2
12v ref
12V reference
3
-
Fuel injector #3
4
Fuel injector #4
Fuel injector #2
5
-
-
6
-
-
7
-
-
8
5v ref
-
9
Knock sensor signal
-
10
-
-
11
-
KS #2 signal
12
Crank pos signal
Crank position signal
13
-
Requested torque signal
14
-
UART serial data secondary
15
-
UART serial data tertiary
16
-
-
17
Trans fluid pressure switch signal B
Trans fluid pressure switch signal B
18
Trans fluid pressure switch signal C
Trans fluid pressure switch signal C
19
IGN+
IGN+
20
B+
B+
21
Low ref
Low ref
22
-
-
23
Low ref
Low ref
24
-
-
25
HO2S low bank2 sensor 1
HO2S low bank2 sensor 1
26
HO2S low bank2 sensor 2
HO2S low bank2 sensor 2
27
-
-
28
HO2S low signal bank 1 sensor 2
HO2S low signal bank 1 sensor 2
29
HO2S low signal bank 1 sensor 1
HO2S low signal bank 1 sensor 1
30
Coolant level switch signal
Coolant level switch signal
31
-
-
32
Transmission range signal A
Transmission range signal A
33
TCC brake switch signal
TCC brake switch signal
34
Transmission range switch signal P
Transmission range switch signal P
35
CPP switch signal
CPP switch signal
36
Fuel injector #1
Fuel injector #1
37
Fuel injector #3
Fuel injector #6
38
-
Damping lift/dive signal
39
-
-
40
ground
ground
41
-
Low ref
42
-
-
43
Fuel injector #5
Fuel injector #7
44
-
Fuel injector #5
45
-
FTP 5V ref
46
5v ref
TPS 5V ref
47
-
MAP 5V ref
48
5v ref
EGR 5V ref
49
Low ref
-
50
-
-
51
-
KS bank 1 signal
52
-
-
53
Low ref (RPO M30 only)
Low reference
54
Low ref
Low reference
55
-
EGR valve position signal
56
-
-
57
B+
B+
58
Class II serial
Class II serial
59
Class II serial
Class II serial
60
Low ref
Low ref
61
Low ref
Low ref
62
-
-
63
HO2S low ref
Low ref
64
-
-
65
-
HO2S high signal bank 2 sensor 2
66
HO2S High signal
HO2S high signal bank 2 sensor 1
67
-
-
68
HO2S high signal
HO2S high signal bank 1 sensor 2
69
HO2S high signal
HO2S high signal bank 1 sensor 1
70
-
Oil level switch
71
-
-
72
Trans range switch signal B
Trans range switch signal B
73
Cam position signal
Cam position signal
74
ECT signal
ECT signal
75
B+(RPO M30 only)
B+
76
Fuel injector #3
Fuel injector #5
77
Fuel injector #6
Fuel injector #8
78
-
-
79
3-2 shift solenoid control
3-2 shift solenoid control
80
Low ref
Low ref
Red
2002 S-10 4.3
Typical V8 0411
1
Ground
Ground
2
TCC PWM solenoid control
TCC PWM solenoid control
3
-
Secondary fuel pump relay control
4
-
-
5
-
Delivered torque signal
6
PC solenoid high control (A)
PC solenoid high control (A)
7
-
EGR supply voltage
8
PC solenoid low control(A)
PC solenoid low control(A)
9
Primary fuel pump relay control
Primary fuel pump relay control
10
Engine speed signal
Engine speed signal
11
-
AC high pressure recirc switch signal
12
-
-
13
Cruise status
Cruise status
14
-
-
15
Generator turn on signal
Charge indicator control
16
4wd low signal
4wd low signal
17
AC request
AC request
18
-
-
19
Axle switch signal
Axle switch signal
20
VSS low
VSS low
21
VSS high
VSS high
22
-
ISS high
23
-
ISS low
24
TPS signal
-
25
IAT signal
IAT signal
26
IC timing signal
Coil 1 control
27
-
Coil 7 control
28
--
Coil 6 control
29
-
Coil 4 control
30
-
-
31
MAF signal
MAF signal
32
MAP signal
MAP signal
33
-
Recirc actuator control
34
EVAP purge control
EVAP purge control
35
-
-
36
-
AIR pump relay
37
-
-
38
-
-
39
12V ref
12V ref
40
ground
ground
41
-
EGR solenoid control
42
TCC solenoid control
TCC solenoid control
43
AC relay control
AC relay control
44
-
-
45
EVAP vent control
EVAP vent control
46
SES light
SES light
47
2-3 shift solenoid
2-3 shift solenoid
48
1-2 shift solenoid
1-2 shift solenoid
49
Vehicle speed signal
Vehicle speed signal
50
VSS signal
VSS signal
51
Trans fluid temp signal
Trans fluid temp signal
52
Generator field duty cycle signal
Generator field duty cycle signal
53
-
-
54
Low ref
Fuel level signal(primary)
55
AC low pressure switch signal
AC low pressure switch signal
56
-
-
57
Low ref
Low ref
58
-
-
59
-
-
60
-
Low ref
61
-
Low ref
62
Trans range switch signal C
Trans range switch signal C
63
Trans pressure switch signal A
Trans pressure switch signal A
64
STP pressure signal
STP pressure signal
65
-
-
66
-
Coil 8 control
67
-
Coil 2 control
68
-
Coil 5 control
69
-
Coil 3 control
70
-
-
71
-
-
72
HO2S heater low control bank 2 sensor 1
HO2S heater low control bank 2 sensor 1
73
-
Fuel level signal (secondary)
74
HO2S heater high control bank 2 sensor 1
HO2S heater high control bank 2 sensor 1
75
-
-
76
IAC coil B high control
IAC coil B high control
77
IAC coil B low control
IAC coil B low control
78
IAC coil A low control
IAC coil A low control
79
IAC coil A high control
IAC coil A high control
80
HO2S heater low ref
Low ref
2008 Trailblazer 4.2 I6
PIN
FUNCTION
COLOR
NOTES
1
CRANK VOLT
PPL
TO STARTING/CHARGING SYS
2
TCC BRAKE SW
PPL
ANTI LOCK BRAKE SYS
3
4
4WD LO SIG
GRY/BLK
TRANSMISSION SYSTEMS
5
6
7
CHMSL CTRL
LT BLU
CRUISE CONTROL SYSTEMS
8
9
LO REF
BLK
FUEL TANK PRESSURE/FUEL PUMP AND SENDER ASSEMBLY
10
11
12
MIL CTRL
BRN/WHT
TO INSTRUMENT CLUSTER MIL
13
FUEL PMP RLY CRTL
DKGRN/WHT
14
15
16
CLASS 2 SER DATA
DKGRN
COMPUTER DATA LINES SYS
17
18
IGN VOLT
PNK
IGN D FUSE (REAR FUSE BLOCK)
19
IGN VOLT
PNK
ECM 1 FUSE (UNDERHOOD FUSE CENTER)
20
BATT POS VOLT
ORG
ECM FUSE (UNDERHOOD FUSE CENTER
21
ACCEL SW SIG
GRY/BLK
CRUISE CONTROL SYSTEM
22
CRUISE CTRL SET
DK BLU
CRUISE CONTROL SYSTEM
23
24
25
ENG SPD SIG
WHT
INSTRUMENT CLUSTER
26
27
28
29
30
CRUISE ON SW SIG
GRY
CRUISE CONTROL SYSTEM
31
32
33
5V REF
WHT/BLK
ACCELERATOR POSITION SENSOR
34
5V REF
GRY
FUEL TANK PRESSURE SENSOR
35
5V REF
GRY
ACCELERATOR POSITION SENSOR
36
LO REF
BRN
ACCELERATOR POSITION SENSOR
37
LO REF
PPL
ACCELERATOR POSITION SENSOR
38
39
VEHICLE SPD SIG
DK GRN/WHT
INSTRUMENT CLUSTER
40
PWETRAIN RLY CTRL
YEL
POWERTRAIN RELAY
41
42
43
44
FUEL LVL SENS SIG
PPL
FUEL TANK PRESSURE/FUEL PUMP AND SENDER ASSEMBLY
45
46
47
APP SENS 1 SIG
DK BLU
ACCELERATOR POSITION SENSOR
48
FUEL TANK SENS
DKGRN
FUEL TANK PRESSURE SENSOR
49
APP SENS 2 SIG
ACCELERATOR POSITION SENSOR
50
51
AIR INJECTION CTRL
PNK/BLK
AIR SOL RELAY
52
53
A/C CLUTCH RLY
DK GRN/WHT
AIR CONDITIONING SYSTEM
54
55
EVAP SOL CTRL
WHT
EVAP CANISTER VENT
56
STARTER RLY CTRL
YEL/BLK
STARTING/CHARGING SYS
PIN
FUNCTION
COLOR
NOTES
1
IC 1 CTRL
PPL
IGN COIL 1 PIN B
2
HO2S LO SIG
TAN
PIN A HO2S 1
3
HO2S HI SIG
PPL/WHT
PIN B HO2S 2
4
HO2S HI SIG
PPL/WHT
PIN B HO2S 1
5
HO2S LO SIG
TAN/WHT
PIN A HO2S 2
6
KS 2 SIG
LT BLU
PIN A KNOCK SENSOR 2
7
KS 2 SIG
GRY
PIN B KNOCK SENSOR 2
8
KS 1 SIG
DK BLU
PIN A KNOCK SENSOR 1
9
KS 1 SIG
GRY
PIN B KNOCK SENSOR 1
10
11
TAC MOTOR CTRL 1
YEL
THROTTLE BODY PIN B
12
TAC MOTOR CTRL 2
BRN
THROTTLE BODY PIN A
13
IGN VOLT
PNK
14
CAMSHAFT JI CTRL
BRN
PIN A CAMSHAFT ACTUATOR SOLENIOD ASSEMBLY
15
16
17
IC 5 CTRL
DK GRN
IGN COIL 5 PIN B
18
19
20
21
22
23
LO REF
PNK/BLK
CAMSHAFT POSITION SENSOR PIN B
24
LO OIL PRES SW SIG
PPL
OIL PRESSURE SWITCH PIN B
25
26
27
LO REF
BLK
CRANKSHAFT POSITION SENSOR PIN B
28
29
LO REF
BLK/WHT
THROTTLE BODY PIN C
30
31
32
FUEL INJ 6 CTRL
YEL/BLK
33
IC 3 CTRL
LT BLU
IGN COIL 3 PIN B
34
IC 4 CTRL
DK GRN/WHT
IGN COIL 4 PIN B
35
36
37
38
39
12V REF
RED
CAMSHAFT POSITION SENSOR PIN A
40
41
42
LO REF
BLK
MAF SENSOR PIN D
43
STARTER RLY CTRL
DK BLU
44
5V REF
GRY
THROTTLE BODY PIN E
45
46
LO REF
BLK
PIN B CAMSHAFT ACTUATOR SOLENIOD ASSEMBLY
47
48
FUEL INJ 6 CTRL
BLK/WHT
49
FUEL INJ 4 CTRL
LT BLU/BLK
50
51
52
FUEL INJ 2 CTRL
LT GRN/BLK
53
IC 6 CTRL
LT BLU/WHT
IGN COIL 6 PIN B
54
IC 2 CTRL
RED/WHT
IGN COIL 2 PIN B
55
56
57
58
59
CMP SENS SIG
BLK
PIN C CAMSHAFT POSITION SENSOR
6O
61
62
IAT SENS SIG
TAN
MAF SENSOR PIN E
63
CKP SENS SIG
BRN/WHT
PIN C CRANKSHAFT POSITION SENSOR
64
TP SENS 1 SIG
DK GRN
THROTTLE BODY PIN D
65
66
TP SENS 2 SIG
PPL
THROTTLE BODY PIN F
67
MAF SENS SIG
YEL
MAF SENSOR PIN A
68
HO2S HTR LO CTRL
DK GRN
PIN E HO2S 1
69
HO2S HTR LO CTRL
BLK/WHT
PIN E HO2S 2
70
71
FUEL INJ 3 CTRL
PNK/BLK
72
FUEL INJ 1 CRTL
BLK
73
GND
BLK
PIN
FUNCTION
COLOR
1
2
3
4
5
6
7
GEN REGU CTRL
PPL
STARTING/CHARGING SYS
8
9
AIR PUMP RLY CTRL
BRN
SECONDARY A.I.R. PUMP RELAY
10
11
12
DELIVERED TORQ SIG
TAN/BLK
13
14
15
16
17
REQUEST TORQ SIG
ORG/BLK
18
19
20
21
LO REF
BRN
A/C SYS
22
23
LO REF
ORG/BLK
MAP SENSOR PIN 2
24
25
26
AIR INJECTION CTRL
DK BLU/WHT
SECONDARY A.I.R. PUMP RELAY PIN 1
27
28
29
30
31
32
33
HISPD DATA BUS-
TAN
34
35
LO REF
BLK
ECT SENSOR PIN A
36
37
5V REF
GRY
A/C SYS
38
39
5V REF
GRY
MAP SENSOR PIN 1
40
41
42
AIR INJECTION CTRL
BRN/WHT
SECONDARY A.I.R. PUMP RELAY PIN 3
43
44
45
46
47
PNP SW SIG
ORG/BLK
STARTING/CHARGING SYS
48
EVAP CANISTER CTRL
DK GRN/WHT
PIN B EVAP CANISTER PURGE SOLENIOD
49
50
51
52
53
HI SPD DATA BUS+
54
55
ECT SENS SIG
YEL
ECT SENSOR PIN B
56
57
A/C PRESS SENS
RED/BLK
A/C SYS
58
59
MAP SENS SIG
LT GRN
MAP SENSOR PIN3
6O
61
62
SEC AIR INJ SENS
YEL
SECONDARY A.I.R. PUMP RELAY PIN 2
63
64
65
OIL PRESS SW SIG
TAN/BLK
ENGINE OIL PRESSURE SWITCH PIN A
66
FRONT SIG HIGH
TRANSMISSIONS SYS
67
68
69
70
71
72
73
I've made a pinout sheet for GM obd2 V6 PCMs, I'm working on editing out the typos here and there, so please bare with me. So far, I've used this pinout, along with a L36 5 speed Fbody bin to make my 5 speed 3500 swap work correctly(hopefully...)
the PCM's these pinouts are derived from support a variety of systems and accessories, including:
FWD and RWD automatic Transaxles/Transmissions
Manual Transmissions (3.8 F body)
DIS (3100, 3400 and, 3800 equipped vehicles)
Coil per cylinder (3.5 Shortstar)
DBW throttle (3.8 F body)
forced induction (3800 supercharged vehicles)
Dual bank fuel control (3.8 F body)
dual bank knock sensors (3.8/3800 cars)
as with all forum info, please use at your own risk.
the PCM P/N's:
16236757
09356741
09357034
09361735
09374997
09378702
09380717
12209614
12209624
GM OBD2 V6 PCM pinout chart. USE AT OWN RISK!
there are 34 totally unused pins
Blue
2000 grand am
2001 olds aurora
Montana
1998 firebird 3.8
2002 firebird 3.8
98-02 L67
1
Trans temp ground
Low Ref
Sensor ground
-
TFT sensor ground
2
-
-
-
Second gear start indicator
Service TCS indicator
-
3
-
-
-
Fuel level indicator
-
Fuel level indicator
4
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
1-2 shift solenoid
5
High speed fan
High speed fan
High speed fan
High speed fan
High speed fan
High speed fan
6
Low speed fan
Low speed fan
Low speed fan
Low speed fan
Low speed fan
Low speed fan
7
Cam position signal
Cam position signal
Cam position signal
Cam position signal
Cam position signal
Cam position signal
8
3x crank pos ref high
Crank pos 2 signal
3x crank pos ref high
3x crank pos ref
3x crank pos ref
3x crank pos ref
9
24x crank pos high
Crank pos 1 Signal
24x crank pos high
18x crank pos ref
18x crank pos ref
18x crank pos ref
10
MAP 5v ref
MAP 5v ref
MAP 5v ref
-
-
MAP 5V ref
11
-
-
-
-
-
-
12
-
-
-
ECT ground
Low ref
ECT res low
13
MAP/ECT ground
MAP/ECT ground
MAP/ECT ground
MAP ground
Low ref
MAP ref low
14
-
-
-
-
UART serial data(secondary
-
15
-
-
-
Serial data
UART serial data(Primary)
UART serial data
16
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
17
IAT ground
IAT ground
IAT ground
IAT ground
Low reference
ECT ground
18
-
-
-
-
-
-
19
IGN +
IGN +
IGN +
IGN +
IGN +
IGN+
20
B+
B+
B+
B+
B+
B+
21
-
-
-
-
-
22
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
Trans fluid pressure switch A
23
-
-
-
-
-
-
24
-
-
-
-
-
-
25
-
-
-
-
-
-
26
-
-
-
-
-
27
-
-
-
Bank 1 HO2S 1 low
Bank 1 HO2S 1 low
-
28
HO2s 2 Low
HO2s 2 Low
HO2s 2 Low
Bank 1 HO2S 3 low
Bank 1 HO2S 3 low
HO2S sensor 2 low
29
HO2s 1 Low
HO2s 1 Low
HO2s 1 Low
Bank2 HO2S 1 low
Bank2 HO2S 1 low
HO2S sensor 1 low
30
TCC brake input
TCC brake input
TCC brake input
TCC brake input
TCC brake input
TCC brake input
31
EGR pintle position ground
EGR pintle position ground
EGR pintle position ground
Sensor ground
Low ref
EGR pintle pos ground
32
EGR valve control
EGR valve control
EGR valve control
EGR valve ground
Egr solenoid control
EGR IGN+
33
Knock sensor
Knock sensor
Knock sensor
Bank1 KS
Bank1 KS
Bank 1 KS
34
-
-
-
Bank 2 KS
Bank 2 KS
Bank 2 KS
35
-
-
-
-
-
36
-
-
-
Generator control
-
Charge warning light
37
-
-
-
-
-
38
IAC valve B high
IAC valve B high
IAC valve B high
IAC valve B high
-
IAC B High
39
-
-
-
-
-
Fuel pump speed control
40
-
-
-
-
-
-
41
-
-
-
-
-
-
42
-
-
-
-
-
-
43
Fuel injector #1
Fuel injector #6
Fuel injector #1
Fuel injector #6
Fuel injector #6
Fuel injector #6
44
2-3 shift solenoid
2-3 shift solenoid
2-3 shift solenoid
Shift solenoid B control
2-3 shift solenoid
2-3 shift solenoid control
45
AIR valve control
AIR valve control
AIR valve control
-
-
AIR control solenoid ground
46
Fuel injector #3
Fuel injector #2
Fuel injector #3
Fuel injector #4
Fuel injector #4
Fuel injector #4
47
Fuel injector #2
Fuel injector #1
Fuel injector #2
Fuel injector #5
Fuel injector #5
Fuel injector # 5
48
3x crank position ref Low
ICM low ref
3x crank position ref Low
3x crank position ref Low
3x crank position ref Low
3x crank position ref low
49
-
Coil 1 control
-
-
-
-
50
-
Coil 2 control
-
-
-
-
51
-
Coil 6 control
-
-
-
-
52
-
Coil 5 control
-
-
-
-
53
Bypass control
Coil 4 control
Bypass control
Bypass control
Bypass control
Bypass control
54
Ignition control
Coil 3 control
Ignition control
Ignition control
Ignition control
Ignition control
55
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
Vehicle speed signal output
56
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
57
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
58
Class II serial
Class II serial
-
-
-
-
59
-
Class II serial
Class II serial
Class II serial
Class II serial
Class II serial
60
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
PCM ground
61
TPS ground
TPS ground
TPS ground
TPS ground
-
TPS ground
62
Input shaft speed low
Input shaft speed low
Input shaft speed low
-
-
Input shaft speed low
63
Input shaft speed high
Input shaft speed high
Input shaft speed high
-
-
Input shaft speed high
64
VSS high
VSS high
VSS high
VSS high
VSS high
VSS high
65
VSS low
VSS low
VSS low
VSS low
VSS low
VSS low
66
-
-
-
-
-
67
-
-
-
-
-
68
Transaxle range switch B
Transaxle range switch B
Transaxle range switch B
-
-
Trans range switch B
69
MAF signal
MAF signal
MAF signal
MAF signal
MAF signal
MAF signal
70
-
-
-
Theft deterrent fuel enable
Theft deterrent fuel enable
Theft deterrent fuel enable
71
-
Requested torque signal
Requested torque
-
Requested torque
Requested torque
72
Cruise inhibit control
Cruise inhibit control
Cruise inhibit control
Cruise inhibit control
-
Cruise inhibit control
73
Fuel injector #5
Fuel injector #4
Fuel injector #5
Fuel injector #2
Fuel injector #2
Fuel injector #2
74
-
-
-
-
-
75
-
-
-
-
Engine hot lamp
76
Evap purge valve control
Evap purge valve control
Evap purge valve control
Evap purge valve control
Evap purge valve control
Evap purge valve control
77
-
-
-
-
-
78
-
-
-
-
-
79
Fuel injector #6
Fuel injector #5
Fuel injector #6
Fuel injector #1
Fuel injector #1
Fuel injector #1
80
AC pressure sensor ground
AC pressure sensor ground
AC pressure sensor ref low
-
-
AC pressure sensor ref low
clear
2000 grand am
2001 olds aurora
Montana
1998 firebird 3.8
2002 firebird 3.8
98-02 L67
1
-
-
-
-
-
-
2
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
EVAP vent solenoid control
3
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
Fuel pump relay control
4
EGR valve IGN +
EGR valve IGN +
EGR valve IGN +
EGR valve control
EGR valve control
EGR valve control
5
SES light
SES light
SES light
SES light
SES light
SES light
6
-
-
Low oil level light
Low oil level light
-
Low oil level light
7
IAC valve A high
IAC valve A high
IAC valve A high
IAC valve A high
-
IAC valve A high
8
-
Engine speed signal
-
-
Engine speed signal
Tach control
9
-
Delivered torque signal
Delivered torque signal
-
Delivered torque signal
Delivered torque signal
10
HO2s 1 signal
HO2s 1 high signal
HO2s 1 signal
Bank 2 HO2S 1 signal
Bank 2 HO2S 1 signal
HO2s 1 signal
11
HO2s 2 signal
HO2s 2 high signal
HO2s 2 signal
Bank 1 HO2S 3 signal
Bank 1 HO2S 3 signal
HO2s 2 signal
12
-
-
Bank 1 HO2S 1 signal
Bank 1 HO2S 1 signal
-
13
-
-
-
-
-
14
-
-
-
-
-
15
-
-
-
-
-
16
Transaxle range switch P
Transaxle range switch P
Transaxle range switch Parity
PNP switch
Neutral safety switch signal
Transaxle range switch P
17
Trans fluid pressure switch C
Trans fluid pressure switch C
Trans fluid pressure switch A
Transmission range C (4L40E)
Transaxle fluid pressure switch C
Transaxle fluid pressure switch C
18
Transaxle range switch A
Transaxle range switch A
Transaxle range switch A
Cruise control/clutch anticipate switch
CPP switch signal
Transaxle range switch A
19
Oil pressure input
-
Oil pressure input
-
-
-
20
-
-
-
-
-
-
21
-
-
-
2nd gear start signal
Traction control switch signal
Performance switch input
22
-
-
AC request
AC request
AC request
AC request
23
-
Crank voltage
crank
Crank signal
Crank signal
-
24
IGN+
IGN+
IGN+
-
Cruise control release signal
-
25
MAP signal
MAP signal
MAP signal
MAP signal
MAP signal
MAP signal
26
ECT signal
ECT signal
ECT signal
ECT signal
ECT signal
ECT signal
27
AC pressure signal
AC pressure signal
AC pressure signal
AC pressure signal
AC pressure signal
AC pressure signal
28
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
EGR pintle position signal
29
Generator F terminal monitor
Generator field duty cycle signal
-
-
-
-
30
EGR 5v Ref
EGR 5v Ref
EGR 5v Ref
-
-
EGR 5V ref
31
-
B+
-
-
-
-
32
FTP 5v ref
FTP 5v ref
-
-
-
-
33
TPS 5v ref
TPS 5v ref
TPS 5v ref
TPS 5v ref
5v ref
TPS 5v ref
34
AC pressure 5v ref B
AC pressure 5v ref B
AC pressure 5v ref B
AC pressure 5v ref B
5v ref
AC pressure 5v ref B
35
FTP/fuel level ground
FTP/fuel level ground
Sensor ground
Sensor ground
Low ref
Sensor ground
36
-
-
-
-
-
Change oil lamp control
37
-
HO2s heater low control sensor 1
-
-
-
-
38
-
-
-
-
-
-
39
AC relay control
AC relay control
AC relay control
AC relay control
AC relay control
AC relay control
40
-
-
-
-
-
-
41
-
-
-
-
-
-
42
Fuel injector #4
Fuel injector #3
Fuel injector #4
Fuel injector #3
Fuel injector #3
Fuel injector #3
43
-
-
-
-
-
-
44
IAC valve A low
IAC valve A low
IAC valve A low
IAC valve A low
-
IAC valve A low
45
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
Pressure control solenoid high
46
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
Pressure control solenoid low
47
-
-
-
-
-
-
48
-
HO2s low heater control bank 1 sensor 2
-
3-2 control solenoid control
3-2 control solenoid control
-
49
IAC valve B low
IAC valve B low
IAC valve B low
IAC valve B low
-
IAC valve B low
50
IAT signal
IAT signal
IAT signal
IAT signal
IAT signal
IAT signal
51
-
-
-
-
-
-
52
-
-
-
-
-
-
53
-
Oil pressure signal
-
-
-
-
54
-
-
-
-
-
-
55
FTP signal
FTP signal
FTP signal
FTP signal
FTP signal
FTP signal
56
Transaxle range switch C
Transaxle range switch C
Transaxle range switch C
-
-
Transaxle range switch C
57
Trans fluid pressure switch B
Trans fluid pressure switch B
Trans fluid pressure switch B
Transmission range B (4L60E)
Trans fluid pressure switch B
Trans fluid pressure switch B
58
Oil level switch input
Oil level switch input
Oil level switch input
Oil level switch input
Oil level switch input
Oil level switch input
59
Cruise status
Cruise status
Cruise status
Cruise status
-
Cruise status
60
-
Extended travel brake switch signal
-
-
-
-
61
Generator L terminal control
Generator on signal
Generator control
-
Generator turn on signal
Generator L terminal control
62
-
-
-
-
-
-
63
TCC brake input
TCC brake input
TCC brake input
-
-
TCC brake input
64
-
-
-
-
-
-
65
-
-
-
-
-
-
66
TPS signal
TPS signal
TPS signal
TPS signal
-
TPS signal
67
-
-
-
-
-
-
68
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
Trans fluid temp signal
69
Fuel level input
Fuel level input
Fuel level input
Fuel level input
Fuel level input
Fuel level input
70
24x crank pos B+
12 volt ref
Crank/Cam pos ground
-
-
-
71
-
12 volt ref
-
-
-
-
72
Cam pos B+
12 volt ref
Crank/Cam pos B+
-
-
-
73
Cam pos ground
Low reference
Crank/Cam pos ground
-
-
-
74
24x crank pos ground
Low reference
Crank/Cam pos B+
-
-
-
75
AIR relay control
AIR relay control
AIR relay control
-
-
AIR relay control
76
-
Starter relay coil control
Starter relay coil control
Starter relay coil control
Starter relay coil control
-
77
-
-
-
-
Boost control solenoid control circuit
78
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
TCC PWM solenoid control
79
-
-
-
TCC enable solenoid control
TCC enable solenoid control
-
80
-
Low ref
-
-
-
GM 12200411 PCM pinouts S10 Vs typical V8. Use at own risk.
blue
2002 S-10 4.3
Typical V8 0411
1
ground
ground
2
12v ref
12V reference
3
-
Fuel injector #3
4
Fuel injector #4
Fuel injector #2
5
-
-
6
-
-
7
-
-
8
5v ref
-
9
Knock sensor signal
-
10
-
-
11
-
KS #2 signal
12
Crank pos signal
Crank position signal
13
-
Requested torque signal
14
-
UART serial data secondary
15
-
UART serial data tertiary
16
-
-
17
Trans fluid pressure switch signal B
Trans fluid pressure switch signal B
18
Trans fluid pressure switch signal C
Trans fluid pressure switch signal C
19
IGN+
IGN+
20
B+
B+
21
Low ref
Low ref
22
-
-
23
Low ref
Low ref
24
-
-
25
HO2S low bank2 sensor 1
HO2S low bank2 sensor 1
26
HO2S low bank2 sensor 2
HO2S low bank2 sensor 2
27
-
-
28
HO2S low signal bank 1 sensor 2
HO2S low signal bank 1 sensor 2
29
HO2S low signal bank 1 sensor 1
HO2S low signal bank 1 sensor 1
30
Coolant level switch signal
Coolant level switch signal
31
-
-
32
Transmission range signal A
Transmission range signal A
33
TCC brake switch signal
TCC brake switch signal
34
Transmission range switch signal P
Transmission range switch signal P
35
CPP switch signal
CPP switch signal
36
Fuel injector #1
Fuel injector #1
37
Fuel injector #3
Fuel injector #6
38
-
Damping lift/dive signal
39
-
-
40
ground
ground
41
-
Low ref
42
-
-
43
Fuel injector #5
Fuel injector #7
44
-
Fuel injector #5
45
-
FTP 5V ref
46
5v ref
TPS 5V ref
47
-
MAP 5V ref
48
5v ref
EGR 5V ref
49
Low ref
-
50
-
-
51
-
KS bank 1 signal
52
-
-
53
Low ref (RPO M30 only)
Low reference
54
Low ref
Low reference
55
-
EGR valve position signal
56
-
-
57
B+
B+
58
Class II serial
Class II serial
59
Class II serial
Class II serial
60
Low ref
Low ref
61
Low ref
Low ref
62
-
-
63
HO2S low ref
Low ref
64
-
-
65
-
HO2S high signal bank 2 sensor 2
66
HO2S High signal
HO2S high signal bank 2 sensor 1
67
-
-
68
HO2S high signal
HO2S high signal bank 1 sensor 2
69
HO2S high signal
HO2S high signal bank 1 sensor 1
70
-
Oil level switch
71
-
-
72
Trans range switch signal B
Trans range switch signal B
73
Cam position signal
Cam position signal
74
ECT signal
ECT signal
75
B+(RPO M30 only)
B+
76
Fuel injector #3
Fuel injector #5
77
Fuel injector #6
Fuel injector #8
78
-
-
79
3-2 shift solenoid control
3-2 shift solenoid control
80
Low ref
Low ref
Red
2002 S-10 4.3
Typical V8 0411
1
Ground
Ground
2
TCC PWM solenoid control
TCC PWM solenoid control
3
-
Secondary fuel pump relay control
4
-
-
5
-
Delivered torque signal
6
PC solenoid high control (A)
PC solenoid high control (A)
7
-
EGR supply voltage
8
PC solenoid low control(A)
PC solenoid low control(A)
9
Primary fuel pump relay control
Primary fuel pump relay control
10
Engine speed signal
Engine speed signal
11
-
AC high pressure recirc switch signal
12
-
-
13
Cruise status
Cruise status
14
-
-
15
Generator turn on signal
Charge indicator control
16
4wd low signal
4wd low signal
17
AC request
AC request
18
-
-
19
Axle switch signal
Axle switch signal
20
VSS low
VSS low
21
VSS high
VSS high
22
-
ISS high
23
-
ISS low
24
TPS signal
-
25
IAT signal
IAT signal
26
IC timing signal
Coil 1 control
27
-
Coil 7 control
28
--
Coil 6 control
29
-
Coil 4 control
30
-
-
31
MAF signal
MAF signal
32
MAP signal
MAP signal
33
-
Recirc actuator control
34
EVAP purge control
EVAP purge control
35
-
-
36
-
AIR pump relay
37
-
-
38
-
-
39
12V ref
12V ref
40
ground
ground
41
-
EGR solenoid control
42
TCC solenoid control
TCC solenoid control
43
AC relay control
AC relay control
44
-
-
45
EVAP vent control
EVAP vent control
46
SES light
SES light
47
2-3 shift solenoid
2-3 shift solenoid
48
1-2 shift solenoid
1-2 shift solenoid
49
Vehicle speed signal
Vehicle speed signal
50
VSS signal
VSS signal
51
Trans fluid temp signal
Trans fluid temp signal
52
Generator field duty cycle signal
Generator field duty cycle signal
53
-
-
54
Low ref
Fuel level signal(primary)
55
AC low pressure switch signal
AC low pressure switch signal
56
-
-
57
Low ref
Low ref
58
-
-
59
-
-
60
-
Low ref
61
-
Low ref
62
Trans range switch signal C
Trans range switch signal C
63
Trans pressure switch signal A
Trans pressure switch signal A
64
STP pressure signal
STP pressure signal
65
-
-
66
-
Coil 8 control
67
-
Coil 2 control
68
-
Coil 5 control
69
-
Coil 3 control
70
-
-
71
-
-
72
HO2S heater low control bank 2 sensor 1
HO2S heater low control bank 2 sensor 1
73
-
Fuel level signal (secondary)
74
HO2S heater high control bank 2 sensor 1
HO2S heater high control bank 2 sensor 1
75
-
-
76
IAC coil B high control
IAC coil B high control
77
IAC coil B low control
IAC coil B low control
78
IAC coil A low control
IAC coil A low control
79
IAC coil A high control
IAC coil A high control
80
HO2S heater low ref
Low ref
2008 Trailblazer 4.2 I6
PIN
FUNCTION
COLOR
NOTES
1
CRANK VOLT
PPL
TO STARTING/CHARGING SYS
2
TCC BRAKE SW
PPL
ANTI LOCK BRAKE SYS
3
4
4WD LO SIG
GRY/BLK
TRANSMISSION SYSTEMS
5
6
7
CHMSL CTRL
LT BLU
CRUISE CONTROL SYSTEMS
8
9
LO REF
BLK
FUEL TANK PRESSURE/FUEL PUMP AND SENDER ASSEMBLY
10
11
12
MIL CTRL
BRN/WHT
TO INSTRUMENT CLUSTER MIL
13
FUEL PMP RLY CRTL
DKGRN/WHT
14
15
16
CLASS 2 SER DATA
DKGRN
COMPUTER DATA LINES SYS
17
18
IGN VOLT
PNK
IGN D FUSE (REAR FUSE BLOCK)
19
IGN VOLT
PNK
ECM 1 FUSE (UNDERHOOD FUSE CENTER)
20
BATT POS VOLT
ORG
ECM FUSE (UNDERHOOD FUSE CENTER
21
ACCEL SW SIG
GRY/BLK
CRUISE CONTROL SYSTEM
22
CRUISE CTRL SET
DK BLU
CRUISE CONTROL SYSTEM
23
24
25
ENG SPD SIG
WHT
INSTRUMENT CLUSTER
26
27
28
29
30
CRUISE ON SW SIG
GRY
CRUISE CONTROL SYSTEM
31
32
33
5V REF
WHT/BLK
ACCELERATOR POSITION SENSOR
34
5V REF
GRY
FUEL TANK PRESSURE SENSOR
35
5V REF
GRY
ACCELERATOR POSITION SENSOR
36
LO REF
BRN
ACCELERATOR POSITION SENSOR
37
LO REF
PPL
ACCELERATOR POSITION SENSOR
38
39
VEHICLE SPD SIG
DK GRN/WHT
INSTRUMENT CLUSTER
40
PWETRAIN RLY CTRL
YEL
POWERTRAIN RELAY
41
42
43
44
FUEL LVL SENS SIG
PPL
FUEL TANK PRESSURE/FUEL PUMP AND SENDER ASSEMBLY
45
46
47
APP SENS 1 SIG
DK BLU
ACCELERATOR POSITION SENSOR
48
FUEL TANK SENS
DKGRN
FUEL TANK PRESSURE SENSOR
49
APP SENS 2 SIG
ACCELERATOR POSITION SENSOR
50
51
AIR INJECTION CTRL
PNK/BLK
AIR SOL RELAY
52
53
A/C CLUTCH RLY
DK GRN/WHT
AIR CONDITIONING SYSTEM
54
55
EVAP SOL CTRL
WHT
EVAP CANISTER VENT
56
STARTER RLY CTRL
YEL/BLK
STARTING/CHARGING SYS
PIN
FUNCTION
COLOR
NOTES
1
IC 1 CTRL
PPL
IGN COIL 1 PIN B
2
HO2S LO SIG
TAN
PIN A HO2S 1
3
HO2S HI SIG
PPL/WHT
PIN B HO2S 2
4
HO2S HI SIG
PPL/WHT
PIN B HO2S 1
5
HO2S LO SIG
TAN/WHT
PIN A HO2S 2
6
KS 2 SIG
LT BLU
PIN A KNOCK SENSOR 2
7
KS 2 SIG
GRY
PIN B KNOCK SENSOR 2
8
KS 1 SIG
DK BLU
PIN A KNOCK SENSOR 1
9
KS 1 SIG
GRY
PIN B KNOCK SENSOR 1
10
11
TAC MOTOR CTRL 1
YEL
THROTTLE BODY PIN B
12
TAC MOTOR CTRL 2
BRN
THROTTLE BODY PIN A
13
IGN VOLT
PNK
14
CAMSHAFT JI CTRL
BRN
PIN A CAMSHAFT ACTUATOR SOLENIOD ASSEMBLY
15
16
17
IC 5 CTRL
DK GRN
IGN COIL 5 PIN B
18
19
20
21
22
23
LO REF
PNK/BLK
CAMSHAFT POSITION SENSOR PIN B
24
LO OIL PRES SW SIG
PPL
OIL PRESSURE SWITCH PIN B
25
26
27
LO REF
BLK
CRANKSHAFT POSITION SENSOR PIN B
28
29
LO REF
BLK/WHT
THROTTLE BODY PIN C
30
31
32
FUEL INJ 6 CTRL
YEL/BLK
33
IC 3 CTRL
LT BLU
IGN COIL 3 PIN B
34
IC 4 CTRL
DK GRN/WHT
IGN COIL 4 PIN B
35
36
37
38
39
12V REF
RED
CAMSHAFT POSITION SENSOR PIN A
40
41
42
LO REF
BLK
MAF SENSOR PIN D
43
STARTER RLY CTRL
DK BLU
44
5V REF
GRY
THROTTLE BODY PIN E
45
46
LO REF
BLK
PIN B CAMSHAFT ACTUATOR SOLENIOD ASSEMBLY
47
48
FUEL INJ 6 CTRL
BLK/WHT
49
FUEL INJ 4 CTRL
LT BLU/BLK
50
51
52
FUEL INJ 2 CTRL
LT GRN/BLK
53
IC 6 CTRL
LT BLU/WHT
IGN COIL 6 PIN B
54
IC 2 CTRL
RED/WHT
IGN COIL 2 PIN B
55
56
57
58
59
CMP SENS SIG
BLK
PIN C CAMSHAFT POSITION SENSOR
6O
61
62
IAT SENS SIG
TAN
MAF SENSOR PIN E
63
CKP SENS SIG
BRN/WHT
PIN C CRANKSHAFT POSITION SENSOR
64
TP SENS 1 SIG
DK GRN
THROTTLE BODY PIN D
65
66
TP SENS 2 SIG
PPL
THROTTLE BODY PIN F
67
MAF SENS SIG
YEL
MAF SENSOR PIN A
68
HO2S HTR LO CTRL
DK GRN
PIN E HO2S 1
69
HO2S HTR LO CTRL
BLK/WHT
PIN E HO2S 2
70
71
FUEL INJ 3 CTRL
PNK/BLK
72
FUEL INJ 1 CRTL
BLK
73
GND
BLK
PIN
FUNCTION
COLOR
1
2
3
4
5
6
7
GEN REGU CTRL
PPL
STARTING/CHARGING SYS
8
9
AIR PUMP RLY CTRL
BRN
SECONDARY A.I.R. PUMP RELAY
10
11
12
DELIVERED TORQ SIG
TAN/BLK
13
14
15
16
17
REQUEST TORQ SIG
ORG/BLK
18
19
20
21
LO REF
BRN
A/C SYS
22
23
LO REF
ORG/BLK
MAP SENSOR PIN 2
24
25
26
AIR INJECTION CTRL
DK BLU/WHT
SECONDARY A.I.R. PUMP RELAY PIN 1
27
28
29
30
31
32
33
HISPD DATA BUS-
TAN
34
35
LO REF
BLK
ECT SENSOR PIN A
36
37
5V REF
GRY
A/C SYS
38
39
5V REF
GRY
MAP SENSOR PIN 1
40
41
42
AIR INJECTION CTRL
BRN/WHT
SECONDARY A.I.R. PUMP RELAY PIN 3
43
44
45
46
47
PNP SW SIG
ORG/BLK
STARTING/CHARGING SYS
48
EVAP CANISTER CTRL
DK GRN/WHT
PIN B EVAP CANISTER PURGE SOLENIOD
49
50
51
52
53
HI SPD DATA BUS+
54
55
ECT SENS SIG
YEL
ECT SENSOR PIN B
56
57
A/C PRESS SENS
RED/BLK
A/C SYS
58
59
MAP SENS SIG
LT GRN
MAP SENSOR PIN3
6O
61
62
SEC AIR INJ SENS
YEL
SECONDARY A.I.R. PUMP RELAY PIN 2
63
64
65
OIL PRESS SW SIG
TAN/BLK
ENGINE OIL PRESSURE SWITCH PIN A
66
FRONT SIG HIGH
TRANSMISSIONS SYS
67
68
69
70
71
72
73