Interlock Control Unit
NOTE:
To check system operation, ensure shift lever is in "P" position. Turn ignition on. Depress brake pedal with accelerator pedal in idle position. If shift lock solenoid clicks, system is working properly. If shift lock solenoid fails to click, see SHIFT LOCK SOLENOID
. If shift lever cannot be moved from "P" position, check A/T gear position switch. See appropriate DIAGNOSIS article.
- Remove lower cover from instrument panel. See LOWER COVER under REMOVAL & INSTALLATION. Disconnect interlock control unit harness connector. See Figure . Interlock control unit is located behind left side of dash, near steering column or instrument panel. Inspect terminals for poor connection, corrosion or bending. Repair as necessary.
- Using DVOM, check for continuity or voltage between specified terminals. See Fig 1 . See WIRING DIAGRAMS . Repair circuit as necessary and recheck system. If circuit is okay, go to next step.
- Substitute interlock control unit with a known-good component and recheck system. If problem no longer exists, replace original interlock control unit.