Pin |
ECU Pin |
Function |
Pin |
ECU Pin |
Function |
A-1 |
Injector 4 |
Injection |
C-1 |
Ground |
|
A-2 |
Injector 3 |
Injection |
C-2 |
Ground (Trig 1) |
|
A-3 |
Injector 2 |
Injection |
C-3 |
Ground |
|
A-4 |
Injector 1 |
Injection |
C-4 |
Ground (Trig 2) |
|
A-5 |
Injector 5 (Aux) |
Oxy Heater (Secondary) |
C-5 |
DI 1 |
A/C Request |
A-6 |
Injector 5 (Aux) |
Oxy Heater (Primary) |
C-6 |
DI 2 |
Start Signal |
A-7 |
Aux 5 |
Intake Runner Solenoid (Integra Only) |
C-7 |
nc |
|
A-8 |
Aux 6 |
VTEC Solenoid (High Side) |
C-8 |
nc |
|
A-9 |
Ground |
|
C-9 |
nc |
|
A-10 |
Ground |
|
C-10 |
nc |
|
A-11 |
+14V Main Relay |
ECU Power |
C-11 |
nc |
|
A-12 |
Aux 1 |
ISC Solenoid |
C-12 |
Trig 1 |
Trig 1 |
A-13 |
nc |
|
C-13 |
nc |
|
A-14 |
nc |
|
C-14 |
Trig 2 |
Trig 2 |
A-15 |
nc |
|
C-15 |
DI 5 |
VTEC Oil Pressure Switch |
A-16 |
Aux 2 |
Fuel Pump Relay |
C-16 |
DI 6 |
PS Switch |
A-17 |
Aux 3 |
A/C Clutch Relay |
C-17 |
nc |
|
A-18 |
Aux 4 |
CE Light |
C-18 |
DI 3 |
Vehicle Speed |
A-19 |
nc |
|
C-19 |
nc |
|
A-20 |
Ignition 1 |
Ignition |
C-20 |
nc |
|
A-21 |
Ignition 2 |
Spare |
C-21 |
nc |
|
A-22 |
Ground |
|
C-22 |
nc |
|
A-23 |
Ground |
|
C-23 |
nc |
|
A-24 |
+14V Main Relay |
ECU Power |
C-24 |
nc |
|
A-25 |
nc |
|
C-25 |
nc |
|
A-26 |
nc |
|
C-26 |
nc |
|
A-27 |
Injector 6 (Aux) |
|
C-27 |
nc |
|
A-28 |
nc |
|
C-28 |
nc |
|
A-29 |
nc |
|
C-29 |
DI 4 |
Clutch Switch (Some models) |
A-30 |
nc |
|
C-30 |
nc |
|
A-31 |
Ignition 3 |
Spare |
C-31 |
nc |
|
A-32 |
Ignition 4 |
Spare |
|
||
Expansion 1 |
Signal Ground |
|
D-1 |
An Volt 4 |
TPS Signal |
Expansion 2 |
+5V Out |
|
D-2 |
An Temp 2 |
ECT |
Expansion 3 |
An Volt 5 |
|
D-3 |
An Volt 1 |
MAP Signal |
Expansion 4 |
An Volt 6 |
|
D-4 |
+5V Out |
|
Expansion 5 |
Aux 7 |
|
D-5 |
DI 7 |
Brake Switch |
Expansion 6 |
Aux 8 |
|
D-6 |
Knock 1 |
Knock |
Expansion 7 |
An Volt 7 |
|
D-7 |
An Volt 3 |
Oxygen Sensor Signal (Primary) |
Expansion 8 |
An Temp 3 |
|
D-8 |
An Temp 1 |
IAT |
Expansion 9 |
Aux-Ign 5 |
|
D-9 |
nc |
|
Expansion 10 |
Aux-Ign 6 |
|
D-10 |
+5V Out |
|
Expansion 11 |
Aux-Ign 7 |
|
D-11 |
Ground (Signal) |
|
Expansion 12 |
Aux-Ign 8 |
|
D-12 |
Ground (MAP) |
|
Expansion 13 |
Digital Input 9 |
|
D-13 |
Ground (Signal) |
|
Expansion 14 |
Digital Input 10 |
|
D-14 |
An Volt 2 |
Oxygen Sensor Signal (Secondary) |
Expansion 15 |
An Volt 8 |
|
D-15 |
nc |
|
Expansion 16 |
An Volt 9 |
|
D-16 |
nc |
|
Note: Injector Drives 7 and 8 aren't exposed and don't have the hardware required to drive Injectors.