For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the entire Backup Lights System Check? | -- | Go to Step 2 | Go to Backup Lamp System Check
2 | Disconnect the park/neutral position switch connector. Do the backup lamps turn off? | -- | Go to Step 5 | Go to Step 3
3 | Disconnect the perimeter lighting relay. Do the backup lamps turn off? | -- | Go to Step 6 | Go to Step 4
4 | Repair the short to voltage in CKT 24 (LT GRN). Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Backup Lamp System Check | --
5 | Replace the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement or Park/Neutral Position Switch Replacement in Automatic Transaxle. Is the repair complete? | -- | Go to Backup Lamp System Check | --
6 | Replace the perimeter lighting relay. Is the repair complete? | -- | Go to Backup Lamp System Check | --