12-pin connector
Contact | Purpose
——- | ——–
1 | +B (constant plus)
2 | GND (Ground)
3 | IG (ignition)
4 | FP (fuel rail position sensor signal)
5 | ECT (coolant temperature sensor signal)
6 | ISC (idle air valve control signal)
7 | Knock (knock sensor signal)
8 | No. 1 Ign (ignition control signal to cylinder No. 1)
9 | No. 2 Ign (ignition control signal to cylinder No. 2)
10 | No. 3 Ign (ignition control signal to cylinder No. 3)
11 | No. 4 Ign (ignition control signal to cylinder No. 4)
12 | MIL (Malfunction Engine Lamp)
40-pin connector
Contact | Purpose
——- | ——–
1 | +B (constant plus)
2 | GND (Ground)
3 | IG (ignition)
4 | FP (fuel rail position sensor signal)
5 | ECT (coolant temperature sensor signal)
6 | ISC (idle air valve control signal)
7 | Knock (knock sensor signal)
8 | No. 1 Ign (ignition control signal to cylinder No. 1)
9 | No. 2 Ign (ignition control signal to cylinder No. 2)
10 | No. 3 Ign (ignition control signal to cylinder No. 3)
11 | No. 4 Ign (ignition control signal to cylinder No. 4)
12 | MIL (Malfunction Engine Lamp)
13 | FRP (fuel pressure sensor signal)
14 | MAFS (mass air flow sensor signal)
15 | TPS (Throttle Position Sensor Signal)
16 | EVAP (canister purge valve control signal)
17 | CSS (vehicle speed sensor signal)
18 | O2S (oxygen sensor signal)
19 | F/R (gear selector position sensor signal)
20 | P/N (neutral/park sensor signal)
21 | CAN H (CAN data bus, high)
22 | CAN L (CAN data bus, low)
23 | RPM (engine speed sensor signal)
24 | CAM (camshaft position sensor signal)
25 | CMP (Crankshaft Position Sensor Signal)
26 | CKP (Crankshaft Position Sensor Signal)
27 | IAC (Exhaust Gas Recirculation Valve Control Signal)
28 | VSS (Vehicle Speed Sensor Signal)
29 | O/D (Torque Converter Lockup Solenoid Control Signal)
30 | BRAKE (brake pedal position sensor signal)
31 | RLY (signal wire for power relay)
32 | NSS (neutral position sensor signal)
33 | TEMP (inlet air temperature sensor signal)
34 | EVT (fuel evaporative temperature sensor signal)
35 | No. 1 Injector (control signal for injector of cylinder No. 1)
36 | No. 2 Injector (control signal for injector of cylinder No. 2)
37 | No. 3 Injector (control signal for injector of cylinder No. 3)
38 | No. 4 Injector (control signal for injector of cylinder No. 4)
39 | GND (Ground)
40 | GND (Ground)