Terminal Arrangement of ECM Coupler (Viewed from Harness Side)
Connector: G04
CONNECTOR TERMINAL REFERENCE
| Terminal | Wire color | Circuit |
|---|---|---|
| 1 | - | - |
| 2 | - | - |
| 3 | BRN | Radiator fan control relay-1 output |
| 4 | GRN/RED | Radiator fan control relay-2 output |
| 5 | BLU/WHT | EVAP canister vent valve output |
| 6 | BLK/RED | Main power supply |
| 7 | BLK/RED | Main power supply |
| 8 | - | - |
| 9 | YEL/GRN | Engine coolant temp. signal for combination meter |
| 10 | LT GRN/BLK | Ignition pulse signal (engine revolution signal) for combination meter |
| 11 | BLU/ORN | A/C refrigerant pressure switch (if equipped) |
| 12 | GRN/BLK | A/C switch (if equipped) |
| 13 | PPL/YEL | MIL |
| 14 | YEL/BLK | Electrical load signal for rear defogger and clearance lamp |
| 15 | ORN | Ground for sensors |
| 16 | - | - |
| 17 | YEL | Fuel level sensor signal |
| 18 | - | - |
| 19 | RED/YEL | Fuel tank pressure sensor signal |
| 20 | GRY/BLK | Engine coolant temp. signal for TCM (A/T) |
| 21 | GRN/YEL | Serial communication line for TCM (A/T) |
| 22 | GRY/RED | Park/neutral position signal (A/T) |
| 23 | - | - |
| 24 | BLU/BLK | Electrical load signal for heater blower motor |
| 25 | WHT/RED | Power source for ECM internal memory |
| 26 | WHT/BLK | A/C evaporator outlet temperature sensor signal (if equipped) |
| 27 | LT GRN | Fuel tank temp. sensor signal |
| 28 | RED/WHT | Engine torque signal for TCM (A/T) |
| 29 | LT GRN/RED | Torque reduction signal for TCM (A/T) |
| 30 | PPL/WHT | Throttle opening signal for TCM (A/T) |
| 31 | BLU | Serial communication line of data link connector 12 V |
| 32 | - | - |
| 33 | - | - |
| 34 | YEL/WHT | A/C evaporator inlet temperature sensor signal (if equipped) |
| 35 | PPL | Vehicle speed sensor signal |
Connector: C45
CONNECTOR TERMINAL REFERENCE
| Terminal | Wire color | Circuit |
|---|---|---|
| 1 | BLU/YEL | A/C condenser fan motor relay output (if equipped) |
| 2 | BLK | Ground for ECM |
| 3 | PNK/BLU | Heater output of heated oxygen sensor-2 (HO2S-2) |
| 4 | GRN/YEL | No. 1 ignition coil output |
| 5 | - | - |
| 6 | BLK/ORN | Ground for ECM |
| 7 | - | - |
| 8 | - | - |
| 9 | - | - |
| 10 | - | - |
| 11 | BLU/RED | No. 4 ignition coil output |
| 12 | PNK | No. 3 ignition coil output |
| 13 | GRN/WHT | No. 2 ignition coil output |
| 14 | - | - |
| 15 | - | - |
| 16 | - | - |
| 17 | GRY/BLU | Fuel pump relay output |
| 18 | - | - |
| 19 | RED | Knock sensor signal |
| 20 | LT GRN/RED | Manifold absolute pressure (MAP) sensor signal |
| 21 | - | - |
| 22 | - | - |
| 23 | BRN/WHT | Main power supply relay output |
| 24 | - | - |
| 25 | - | - |
| 26 | - | - |
| 27 | BLK/RED | Crankshaft position (CKP) sensor (+) |
| 28 | BRN/YEL | A/C compressor relay output |
| 29 | - | - |
| 30 | WHT | Oxygen signal of heated oxygen sensor-2 (HO2S-2) |
| 31 | - | - |
| 32 | - | - |
| 33 | - | - |
| 34 | BRN | Crankshaft position (CKP) sensor (-) |
| 35 | - | - |
Connector: C46
CONNECTOR TERMINAL REFERENCE
| Terminal | Wire color | Circuit |
|---|---|---|
| 1 | BLU/YEL | No. 1 fuel injector output |
| 2 | BLU/WHT | No. 2 fuel injector output |
| 3 | BLU/RED | No. 3 fuel injector output |
| 4 | BLU/GRN | No. 4 fuel injector output |
| 5 | - | - |
| 6 | BLK | Ground for ECM |
| 7 | PNK/BLK | Heater output of heated oxygen sensor-1 (HO2S-1) |
| 8 | GRY | EGR valve (stepper motor No. 1 coil) output |
| 9 | GRY/YEL | EGR valve (stepper motor No. 3 coil) output |
| 10 | BLK/WHT | Ignition switch signal |
| 11 | - | - |
| 12 | LT GRN | Engine coolant temp. (ECT) sensor signal |
| 13 | - | - |
| 14 | YEL/RED | Reference signal for camshaft position (CMP) sensor |
| 15 | BLU | Position signal for camshaft position (CMP) sensor |
| 16 | ORN | Ground for sensors |
| 17 | GRN/RED | IAC valve output (stepper motor No. 1 coil) |
| 18 | GRY/WHT | EGR valve (stepper motor No. 2 coil) output |
| 19 | BRN/WHT | EGR valve (stepper motor No. 4 coil) output |
| 20 | YEL | Power steering pressure switch signal |
| 21 | LT GRN/BLK | Intake air temperature (IAT) sensor signal |
| 22 | GRY/BLU | Throttle position (TP) sensor signal |
| 23 | GRY/RED | Output of 5 V power source for throttle position (TP) sensor, manifold absolute pressure sensor and fuel tank pressure sensor |
| 24 | RED/BLU | IAC valve output (stepper motor No. 3 coil) |
| 25 | GRN/ORN | IAC valve output (stepper motor No. 2 coil) |
| 26 | - | - |
| 27 | BLK/YEL | Starting motor signal |
| 28 | WHT | Oxygen signal of heated oxygen sensor-1 (HO2S-1) |
| 29 | GRN | Mass air flow (MAF) sensor signal |
| 30 | BLU/BLK | EVAP canister purge valve output |
| 31 | WHT/GRN | IAC valve output (stepper motor No. 4 coil) |