16159278 ECM Information $DA2 $DA3

16159278 ECM Information $DA2 $DA3 1992 and 1993 Y body (corvette) 5.7L, LT1 engine.
$DA2 mask.
Also used in 1993 F body 5.7L, LT1 engine.
$DA3 mask.

*Work in progress*

16159278 ECM TunerPro Files.

Bin files for 16159278... $DA2

Bin files for 16159278 $DA3

16159278 Wiring Diagram

PINOUT for GM PCM/ECM 16159278 (wire color kegend)
B = Black
BL = Blue
BR = Brown
DKBL = Dark Blue
DKG = Dark Green
GY = Gray
LBL = Light Blue
LG = Light Green
O = Orange
P = Purple
PK = Pink
R = Red
T = Tan
W = White
Y = Yellow

Connector [A] is Gray

[A1] Vapor Canister Purge Solenoid DKG/Y (HOT in start and run) 10A
[A2] EGR Solenoid B/PK (HOT in start and run) 10A
[A4] IAC LBL/W
[A5] IAC LG/B
[A6] Check Engine
Light BR/W (this grounds when light is on, connect other terminal on light socket to HOT in start and run) 5A
[A7] Air Pump Relay BR
[A8] Air Divert Valve BR (this grounds when active, connect other terminal on valve to HOT in start and run) 10A
[A9] Shift Light W
[A10] IAC LBL/B
[A11] IAC LG/W
[A12] Ignition Coil W (HOT, connect other black wire on coil to ground) 10A
[A13] Coolant Temp Sensor Y
[A20] Fuel Pump ON input R
[A21] Trans Position Switch O/B
[A22] Anti-lock Brake Module GY/B

Connector [b] is Red

[B2] Trans Converter Clutch (Auto) or Overdrive Relay (Manual) T/B (Auto) or DKBL (Manual) (also connects to Pin F on ALDL connector)
[B3] MAP Sensor B
[B4] Primary Cooling Fan Relay DKG/W
[B5] A/C System DKG/W
[B6] Grounded T (also connects to Pin A on ALDL connector)
[B10] Secondary Cooling Fan Relay DKBL/W
[B14] 2nd, 3rd and 4th gear switches (auto), 4th gear LBL
[B16] Cruise Control System P
[B17] Grounded B/W (jumped to [B6] )
[B18] TPS B
[B19] 2nd, 3rd and 4th gear switches (auto), 3rd gear DKG
[B20] 2nd, 3rd and 4th gear switches (auto), 2nd gear W
[B21] A/C system DKG/Y
[B22] Grounded B/W

Connector [C] is Green

[C1] A/C system DKG
[C2] TPS GY
[C3] PS DKBL
[C5] Distributor/Opti-Spark Module B/R
[C6] HOT at ALL times (jumped to C17) O

[C7] MAP Sensor GY
[C8] Knock Sensor(s) DKBL
[C9] Distributor/Opti-Spark Module B/PK
[C11] A/C Pressure Sensor GY/R
[C12] ECM Power (HOT in start and run) PK/B 3A
[C14] Distributor/Opti-Spark Module P/W
[C15] Oil Temp Sensor DKG
[C17] HOT at ALL times (jumped to C6) O

[C18] Distributor/Opti-Spark Module Y
[C21] MAP Sensor LG
[C22] Manifold Air Temp Sensor T

Connector [D] is Brown

[D1] VSS P
[D4] ALDL and Serial Data Connector T (connects to Pin M on ALDL connector)
[D6] O2 Sensor (left) P
[D7] Fuel Pump Relay DKG/W
[D8] VSS Output DKG/W
[D10] Fuel Injectors 2, 4, 6 & 8 DKG (connect other lead off injectors PK/B to HOT in start and run 10A)
[D11] Fuel Injectors 1, 3, 5 & 7 DKBL (connect other lead off injectors PK/B to HOT in start and run 10A)
[D12] VSS Y
[D15] ALDL and Serial Data Connector T
[D20] ALDL and Serial Data Connector W/B (connects to Pin B on ALDL connector)
[D22] O2 Sensor (right) P

$DA2 $DA3 Hac Disassembly 16159278 ECM

perhaps a better version of the DA2 XDF?

VE Fixer Spreadsheet for $DA2

dave w

i made an organized xdf file for use with TunerPro for the 92/93 LT1 DA3 pcm.