Overdrive Switch: Testing and Inspection

O/D OFF SWITCH INSPECTION [LA4A-EL]
Inspection Of Operation
1. Turn the ignition switch from OFF to ON.
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.








3. Measure voltage at the 0/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.








3. Check continuity of the switch.
4. If not as specified, replace the selector lever knob component.
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.