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