FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Overdrive Switch: Testing and Inspection

OPERATION
1. Turn the ignition switch ON.





2. Verify that the O/D OFF indicator light is not illuminated. Depress the O/D OFF switch and verify that the O/D OFF indicator light illuminates.
3. If the O/D OFF indicator light does not operate, continue with the inspection of voltage test.

VOLTAGE
1. Remove the rear console and front console.
2. Turn the ignition switch ON.

Description:





3. Measure the voltage at the O/D switch connector.

Description:





4. If not as specified, check for continuity at the O/D switch.

CONTINUITY
1. Disconnect the negative battery cable.
2. Disconnect the O/D switch connector.

Description:





3. Check for continuity at the O/D switch.





4. Replace the selector lever knob if not as specified.
5. Check the wiring harness for continuity if the switch is operating correctly. (O/D switch to power train control module, O/D switch to body ground)
6. Connect the O/D switch connector.
7. Install the front console and rear console.
8. Connect the negative battery cable.