90-95 Pinout & Wiring Diagrams

Download ECU Schematic

ECU Pinout

 

Pin Number Name Type Typical Function Pigtail Color
12V
1B - Battery Sense 12V
can
can
1E - Check Engine Light ls
1G - Ignition 1 & 4 (rev C) ign
1G - Ignition 1 & 4 (rev D) ign
1H - Ignition 2 & 3 ign
gnd
1J - AC Relay ls
Radiator Fan ls
1M - VSS
1N - 5v ref NA6
1Q AC Switch din
1S - Heate Input
1V - Clutch Switch din
Ground
+5v
WBO Heater -
+12v
WBO R Trim
WBO Ip
WBO Vs/Ip
WBO Vs
VVT ls
Boost Control
Flex Fuel
Pressure Sensor
Temperature Sensor
pgnd white
pgnd white
gnd white
gnd white
CRANK
gnd white
CAM
Tachometer (rev C)
Tachometer (rev D)
TPS 5v 94-95
TPS Input
MAF
IAT
A/C Fan 94-95
Fuel Pump Relay ls
O2S
CLT
Injector 1 inj
Injector 2 inj
IDLE ls
Injector 3 inj
Injector 4 inj
intMAP (A15)
PPS2 OR TEMPERATURE SENSOR
TPS2
PPS1