The location of the components of the electronic engine control system
| Item name | Spare part number | Description |
| 1 | - | MAF sensor (mass air flow) /IAT (intake air temperature) |
| 2 | - | IMT valve (intake manifold adjustment) |
| 3 | - | CMP sensor (camshaft position) |
| 4 | - | CKP sensor (crankshaft position) |
| 5 | - | Engine oil temperature sensor |
| 6 | - | Knock sensor |
| 7 | - | Ignition coils |
| 8 | - | Heated Exhaust Oxygen Sensor (HEGO) |
| 9 | - | Universal Heated Exhaust Oxygen Sensor (UHEGO) |
| 10 | - | Heated Exhaust Oxygen Sensor (HEGO) |
| 11 | - | Universal Heated Exhaust Oxygen Sensor (UHEGO) |
| 12 | - | nozzles |
| 13 | - | Knock sensor |
| 14 | - | Spark plug |
| 15 | - | EOP sensor (engine oil pressure) |
| 16 | - | Differential pressure sensor and EGR valve (exhaust gas recirculation) |
| 17 | - | Electronic throttle |
| Item name | Spare part number | Description |
| 1 | - | Power relay |
| 3 | - | Transfer box controller |
| 2 | - | ECM (the engine control unit) |
| 4 | - | Stoplight switch |
| 5 | - | clutch switch |
| 6 | - | ABS control unit (anti-lock brakes) |
Engine EMS control circuit
NOTE: A = wired connection
| Item name | Spare part number | Description |
| 1 | - | Power relay |
| 2 | - | CKP (crankshaft position) |
| 3 | - | CMP (camshaft position) |
| 4 | - | ECT sensor (coolant temperature) |
| 5 | - | APP sensor (accelerator pedal position) , |
| 6 | - | MAF (mass air flow) |
| 7 | - | Engine oil temperature sensor |
| 8 | - | MAP sensor (manifold absolute pressure) , |
| 9 | - | Stoplight switch |
| 10 | - | Knock sensor |
| 11 | - | Fuse 25P |
| 12 | - | ECM (the engine control unit) |
| 13 | - | Fuse 60P |
| 14 | - | ignition switch |
| 15 | Fuse link 11E |
NOTE: A = wired; D = CAN bus (local area network of controllers)
| Item name | Spare part number | Description |
| 1 | - | nozzles |
| 2 | - | Engine cooling fan. |
| 3 | - | IMT valve (intake manifold adjustment) |
| 4 | - | ABS control unit (anti-lock braking system) |
| 5 | - | Dashboard |
| 6 | - | TCM (transmission control unit) , |
| 7 | - | RCM (airbag and seat belt control unit) |
| 8 | - | Differential controller |
| 9 | - | Transfer box controller |
| 10 | - | Parking brake controller |
| 11 | - | ATC block (automatic temperature control) |
| 12 | - | Universal Heated Exhaust Oxygen Sensor (UHEGO) and heated exhaust oxygen sensor (HEGO) |
| 13 | - | Ignition coils |
| 14 | - | Universal Heated Exhaust Oxygen Sensor (UHEGO) and heated exhaust oxygen sensor (HEGO) |
| 15 | - | Generator |
| 16 | - | ECM (the engine control unit) |
| 17 | - | Differential pressure sensor/EGR valve (exhaust gas recirculation) |
| 18 | - | coil spring |
| 19 | - | Cruise Control Switches |
| 20 | - | Electric Throttle Body |
General provisions
4.0 liter V6 engine controlled by the ECM (the engine control unit) manufactured by DENSO. Engine management system (EMS) governs the following:
- Fuel supply to the engine
- Ignition timing distribution
- Closed loop refueling
- knock control
- Idle adjustment
- Emission reduction
- On-board diagnostics
- Providing an interface with the anti-theft system
- Cruise control
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