Fuel Injector Wiring Harness: Service and Repair

WIRING HARNESS

REMOVAL

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable mixtures are always present and can ignite. Failure to follow these instructions can result in personal injury.

1. With the vehicle in neutral, position it on a hoist.
2. Disconnect the battery ground cable.
3. Remove the upper intake manifold.







4. Disconnect the following connectors:
- The 42 pin engine bulkhead electrical connector.
- The 16 pin electrical connector.







5. Separate the wiring harness from the dash panel.







6. Remove the RH ignition coil cover.
- Remove the bolts.
- Remove the coil cover.







7. Disconnect the RH ignition coil electrical connectors.







8. Disconnect the heated positive crankcase ventilation (PCV) valve electrical connector.







9. Remove the LH ignition coil cover.
- Remove the bolts.
- Remove the coil cover.







10. Disconnect the LH ignition coil electrical connectors.







11. Disconnect the transmission main control harness electrical connector.







12. Disconnect the engine control jumper harness electrical connector.







13. Remove the wiring harness bracket bolt.







14. Disconnect the RH heated oxygen sensor (H02S) electrical connector.







15. NOTE: LH side is shown, RH side is similar.

Disconnect the two radio ignition interference capacitor electrical connectors.







16. Disconnect the battery supply wire from the power distribution box stud.







17. NOTE: The electrical connector is located under the power distribution box.

Disconnect the electrical connector.







18. Disconnect the electrical connector.







19. Disconnect the following generator electrical connectors:
- Battery power supply wire.
- Voltage regulator.







20. Disconnect the camshaft position (CMP) sensor electrical connector.







21. Disconnect the engine coolant temperature (ECT) sensor electrical connector.







22. Remove the wiring harness.
- Separate the wiring harness from the LH valve cover stud bolt.
- Separate the wiring harness from the power steering reservoir bracket.

INSTALLATION







1. Position the wiring harness:
- Install the wiring harness retainer onto the LH valve cover stud bolt.
- Install the wiring harness retainer into the power steering reservoir.







2. Connect the ECT sensor electrical connector.







3. Connect the CMP sensor electrical connector.







4. Connect the following generator electrical connectors:
- Battery power supply wire.
- Voltage regulator.







5. Connect the electrical connector.







6. Connect the electrical connector.







7. Install the battery supply wire to the power distribution box stud.







8. NOTE: LH side is shown, RH side is similar.

Connect the two radio ignition interference capacitor electrical connectors.







9. Connect the RH HO2S electrical connector.







10. Install the wiring harness bracket bolt.







11. Connect the engine control jumper harness electrical connector.







12. Connect the transmission main control harness electrical connector.







13. Connect the LH ignition coil electrical connectors.







14. Install the LH ignition coil cover and bolts.







15. Connect the heated positive crankcase ventilation (PCV) valve electrical connector.







16. Connect the RH ignition coil electrical connectors.







17. Install the RH ignition coil cover and bolts.







18. Install the wiring harness retainers into the dash panel.







19. Connect the following connectors:
- The 42 pin engine bulkhead electrical connector.
- The 16 pin electrical connector.

20. Install the upper intake manifold.

21. NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 mi) or more to relearn the strategy.

Connect the battery ground cable.