FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test G: Shift Interlock System Does Not Release/Lock Correctly

Pinpoint Tests G: Shift Interlock System Does Not Release/Lock Correctly
Normal Operation
The shift lever will not come out of PARK unless the key is in the ON position and the brake pedal is depressed.

Test G1 - G4:




Test G5 - G7:




Test G8 - G11:




Test G11 - G12:





Possible Causes
If the range selector lever does not release or lock the cause may be:
- Faulty Brake Pedal Position (BPP) switch
- Blown fuse
- Short to ground
- Short to open
- Faulty shift lock actuator
- Wiring, terminals or connectors