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Shift Interlock Control Module: Testing and Inspection

INTERLOCK CONTROL UNIT / INPUT TEST







1. Disconnect the 8-P connector from the interlock control unit.


Shift Lock System:




Key Interlock System:






2. Inspect the connector and socket terminals to be sure they are all making good contact.
* If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
* If the terminals look OK, make the following input tests at the connector.
- If a test indicates a problem, find and correct the cause, then recheck the system.
- If all the input tests prove OK, substitute a known-good control unit, and recheck the system. If the check is OK, the control unit must be faulty; replace it.

NOTE: If the shift lock solenoid clicks when the ignition switch is turned ON (II) and you step on the brake pedal (with the shift lever in [P], the shift lock system is electronically normal; if the shift lever cannot be shifted from [P], test the A/T gear position switch.