Circuit/System Verification
- Engine ON.
- Verify the scan tool Reverse Position Switch parameter changes between ON and OFF while shifting the vehicle between the neutral and reverse gears.
- If the parameter does not change
Refer to Backup Lamp Switch Malfunction .
- If the parameter changes
- If the parameter does not change
- Verify the backup lamps turn ON and OFF when commanding the Backup Lamps ON and OFF with a scan tool.
- If the backup lamps do not turn ON and OFF
Refer to Backup Lamps Malfunction .
- If the backup lamps turn ON and OFF
- If the backup lamps do not turn ON and OFF
- All OK.