Schematic Reference: Exterior Lights Schematics

Did you perform the Lighting System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Turn the ignition on.
2. Shift the gear selector lever to the REVERSE position and then to the PARK position.

Do the backup lamps turn on in REVERSE and turn off in PARK?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

Disconnect the park/neutral position switch.

Do the backup lamps turn off?

Go to Step 5

Go to Step 4

Repair a short to battery voltage in the backup supply voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Has the repair been made?

Go to Step 6

--

Adjust or replace the park/neutral position switch. Refer to Park/Neutral Position Switch Adjustment in Automatic Transaxle-4T65-E.

Did you complete the replacement?

Go to Step 6

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2