For 1990-2009 cars

Step | Action | Values | Yes | No
--- | --- | --- | --- | ---
1 | Were you sent here from the Backup Lights System Check? | -- | Go to Step 2 | Go to Backup Lamp System Check
2 | Does the vehicle have an automatic transaxle? | -- | Go to Step 3 | Go to Step 6
3 |

1. Disconnect the park/neutral position (PNP) switch.
2. Shift the transaxle to the PARK position.
3. Turn the ignition switch to the ON position.

Do the backup lamps extinguish?

--

Go to Step 4

Go to Step 5

4 | Adjust/replace the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle. Has the repair been completed? | -- | Go to Backup Lamp System Check | --
5 | Repair a short to B+ on the RED/BLK wire between the PNP switch and the SP450. Refer to Wiring Repairs in Wiring Systems. Has the repair been completed? | -- | Go to Backup Lamp System Check | --
6 |

1. Disconnect the backup lamp switch.
2. Shift the transaxle to the NEUTRAL position.
3. Turn the ignition switch to the ON position.

Do the backup lamps extinguish?

--

Go to Step 7

Go to Step 8

7 | Replace the backup lamp switch. Refer to Backup Lamp Switch Replacement in Lighting Systems. Has the repair been completed? | -- | Go to Backup Lamp System Check | --
8 | Repair a short to B+ on the RED/BLK wire between the backup lamp switch and the SP450. Refer to Wiring Repairs in Wiring Systems. Has the repair been completed? | -- | Go to Backup Lamp System Check | --