Electronic Control System Wiring Circuit Diagram
ECM CONNECTOR SPECIFICATION
| Terminal | Circuit |
|---|---|
| C37-1 | Heater output of heated oxygen sensor (Bank-1) |
| C37-2 | Heater output of heated oxygen sensor (Bank-1) |
| C37-3 | Oxygen signal of heated oxygen sensor (Bank-1) |
| C37-4 | MAF sensor signal |
| C37-5 | - |
| C37-6 | - |
| C37-7 | - |
| C37-8 | Power steering pump pressure switch signal |
| C37-9 | - |
| C37-10 | EVAP canister purge valve output |
| C37-11 | EGR valve (stepper motor coil 3) output |
| C37-12 | EGR valve (stepper motor coil 1) output |
| C37-13 | Fuel injector No. 5 output |
| C37-14 | Fuel injector No. 3 output |
| C37-15 | Fuel injector No. 1 output |
| C37-16 | - |
| C37-17 | - |
| C37-18 | A/F sensor signal (+) (Bank-1) |
| C37-19 | A/F sensor signal (-) (Bank-1) |
| C37-20 | Heater output of heated oxygen sensor (Bank-2) |
| C37-21 | Heater output of heated oxygen sensor (Bank-2) |
| C37-22 | Oxygen signal of heated oxygen sensor (Bank-2) |
| C37-23 | Ground for MAF sensor |
| C37-24 | IAT sensor signal |
| C37-25 | Knock sensor signal |
| C37-26 | ECT sensor signal |
| C37-27 | - |
| C37-28 | Starting motor control relay output |
| C37-29 | IMT vacuum solenoid valve output |
| C37-30 | EGR valve (stepper motor coil 4) output |
| C37-31 | EGR valve (stepper motor coil 2) output |
| C37-32 | Fuel injector No. 6 output |
| C37-33 | Fuel injector No. 4 output |
| C37-34 | Fuel injector No. 2 output |
| C37-35 | - |
| C37-36 | - |
| C37-37 | A/F sensor signal (+) (Bank-2) |
| C37-38 | A/F sensor signal (-) (Bank-2) |
| C37-39 | Ground for ECM |
| C37-40 | - |
| C37-41 | - |
| C37-42 | - |
| C37-43 | - |
| C37-44 | - |
| C37-45 | Output for 5 V power source of throttle position sensor |
| C37-46 | Throttle position sensor signal (main) |
| C37-47 | CKP sensor signal |
| C37-48 | A/C refrigerant pressure sensor signal |
| C37-49 | Output for 5 V power source of MAP sensor and A/C refrigerant pressure sensor |
| C37-50 | - |
| C37-51 | - |
| C37-52 | - |
| C37-53 | - |
| C37-54 | - |
| C37-55 | Ignition coil No. 5 output |
| C37-56 | Ignition coil No. 3 output |
| C37-57 | Ignition coil No. 1 output |
| C37-58 | Ground for ECM |
| C37-59 | Ground for ECM |
| C37-60 | - |
| C37-61 | - |
| C37-62 | - |
| C37-63 | - |
| C37-64 | Ground for throttle position sensor |
| C37-65 | Throttle position sensor signal (sub) |
| C37-66 | CMP sensor signal |
| C37-67 | Ground for MAP sensor, A/C refrigerant pressure sensor, ECT sensor, IAT sensor and HOS2 |
| C37-68 | MAP sensor signal |
| C37-69 | - |
| C37-70 | - |
| C37-71 | - |
| C37-72 | - |
| C37-73 | Ground for ECM |
| C37-74 | Ignition coil No. 6 output |
| C37-75 | Ignition coil No. 4 output |
| C37-76 | Ignition coil No. 2 output |
| C37-77 | Heater output of A/F sensor (Bank-1) |
| C37-78 | Heater output of A/F sensor (Bank-2) |
| C37-79 | Ground for A/F sensor heater |
| C37-80 | Ground for ECM |
| C37-81 | Ground for ECM |
ECM CONNECTOR SPECIFICATION
| Terminal | Circuit |
|---|---|
| E23-1 | Power source for ECM internal memory |
| E23-2 | Main power supply |
| E23-3 | Main power supply |
| E23-4 | Output of throttle actuator (-) |
| E23-5 | Output of throttle actuator (+) |
| E23-6 | Throttle actuator control relay output |
| E23-7 | Power supply of throttle actuator drive circuit |
| E23-8 | Ignition switch signal |
| E23-9 | CAN communication line (active high signal) |
| E23-10 | - |
| E23-11 | Clock signal for immobilizer coil antenna (If equipped) |
| E23-12 | Output of 5 V power source for EVAP leak check pump |
| E23-13 | EVAP canister air (vent) valve control signal |
| E23-14 | Radiator cooling fan relay No. 3 output |
| E23-15 | Radiator cooling fan relay No. 1 output |
| E23-16 | Main power supply relay output |
| E23-17 | CAN communication line (active low signal) |
| E23-18 | - |
| E23-19 | Serial communication line for immobilizer coil antenna (if equipped) |
| E23-20 | Ground for EVAP leak check detecting pump |
| E23-21 | EVAP leak check pressure sensor signal |
| E23-22 | EVAP leak check detecting pump control signal |
| E23-23 | Radiator cooling fan relay No. 2 output |
| E23-24 | Fuel pump relay output |
| E23-25 | Output for 5 V power source of APP sensor (main) |
| E23-26 | APP sensor signal (main) |
| E23-27 | Ground for APP sensor (main) |
| E23-28 | Fuel level sensor signal |
| E23-29 | Serial communication line of DLC |
| E23-30 | Brake light switch signal |
| E23-31 | Cruise control main switch signal (if equipped) |
| E23-32 | Brake pedal position switch signal for cruise control system (if equipped) |
| E23-33 | Output for 5 V power source of APP sensor (sub) |
| E23-34 | APP sensor signal (sub) |
| E23-35 | Ground for APP sensor (sub) |
| E23-36 | - |
| E23-37 | A/C compressor relay output (if equipped) |
| E23-38 | Ground for cruise control command switch (if equipped) |
| E23-39 | Cruise control command switch signal (if equipped) |
| E23-40 | Clutch pedal position switch signal for cruise control system (if equipped) |