Overdrive Switch: Testing and Inspection
O/D OFF SWITCH INSPECTIONInspection of Operation
1. Turn the ignition switch from OFF to 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.
^ If not as specified, inspect the terminal voltage of the O/D OFF switch.
Inspection of Voltage
1. Turn the ignition switch at ON.
2. Measure the voltage at the O/D OFF switch connector. If not as specified, inspect for continuity at the O/D OFF switch.
Inspection of Continuity
1. Inspect for continuity at the O/D OFF switch.
^ If the switch is okay, inspect the wiring harness. (O/D OFF switch-PCM, O/D OFF switch-Body ground)
^ If not as specified, replace the selector lever knob component.