FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Component Tests and General Diagnostics

INTERIOR LIGHT SYSTEM

INSPECTION







1. INSPECT PERSONAL LIGHT SWITCH CONTINUITY
If continuity is not as specified, replace the light assembly or bulb.







2. INSPECT PERSONAL LIGHT SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side.
If the circuit is as specified, inspect power source or wire harness.




3. INSPECT INTERIOR LIGHT SWITCH
a. Disconnect the connector from the dome lamp.
b. Turn the dome lamp switch ON, check that continuity exists between terminal 2 and body ground.




c. Turn the dome lamp switch DOOR, check that there is continuity exists between terminal 1 and 2.
If operation is not as specified, replace the switch.







4. INSPECT INTERIOR LIGHT SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect power source or wire harness.







5. INSPECT VANITY LIGHT CONTINUITY
If continuity is not as specified, replace the bulb or vanity light.







6. INSPECT VANITY LIGHT SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect power source or wire harness.







7. INSPECT FRONT DOOR COURTESY SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 2 with the door lock open.
b. Check that no continuity exists between terminals 1 and 2 with the door lock closed.
If operation is not as specified, replace the door lock.

8. INSPECT FRONT DOOR COURTESY SWITCH CIRCUIT
Disconnect the connector from the door lock assembly and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect power source or wire harness.




9. INSPECT REAR DOOR COURTESY SWITCH CONTINUITY
a. Check that continuity exists between terminals 1 and 2 with the door lock open.
b. Check that no continuity exists between terminals 1 and 2 with the door lock closed.
If operation is not as specified, replace the door lock.







10. INSPECT REAR DOOR COURTESY SWITCH CIRCUIT
Disconnect the connector from the door lock assembly and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect power source or wire harness.







11. INSPECT BACK DOOR COURTESY SWITCH CONTINUITY
If continuity is not as specified, replace the switch and motor.







12. INSPECT BACK DOOR COURTESY SWITCH CIRCUIT
Disconnect the connector from the switch and opener motor, and inspect the connector on the wire harness side.
If the circuit is not as specified, inspect power source or wire harness.

13. INSPECT ILLUMINATED ENTRY SYSTEM
(See Integration relay circuit)




14. INSPECT DOOR COURTESY LIGHT CONTINUITY
Using the ohmmeter, check that there is continuity between terminals.
If continuity is not as specified, replace the light assembly or bulb.







15. INSPECT GLOVE COMPARTMENT DOOR LIGHT SWITCH CONTINUITY
If continuity is not as specified, replace the switch.







16. INSPECT GLOVE COMPARTMENT DOOR LIGHT CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.
If circuit is not as specified, inspect power source or wire harness.