Overdrive Switch: Testing and Inspection
O/D OFF SWITCHInspection Of Operation
1. Turn the ignition switch from OFF to ON.
O/D OFF switch, O/D OFF indicator light:
2. Verify that the O/D OFF indicator is not illuminated. Depress the O/D OFF switch and verify that the O/D OFF indicator light illuminates.
3. If not as specified, check the terminal voltage of the O/D OFF switch.
Inspection Of Voltage
1. Remove the front console.
2. Turn the ignition switch to ON.
Measure voltage at the O/D OFF switch connector:
3. Measure voltage at the O/D OFF switch connector terminals.
4. If not as specified, check the continuity of the O/D OFF switch.
Inspection Of Continuity
1. Disconnect the negative battery cable.
2. Disconnect the O/D OFF switch connector.
Check continuity of the switch:
3. Check continuity of the switch.
4. If not as specified, replace the selector lever knob assembly. (Refer to below.)
5. If the switch is OK, check the wiring harness. (O/D OFF switch-powertrain control module, O/D OFF switch- Body ground.)
6. Install the front console.
7. Connect the negative battery cable.