Step 
  | Action  | Yes  | No  | 
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics . Connector End View Reference: Master Electrical Component List in Wiring Systems  | |||
1  | Did you perform the Diagnostic System Check - Vehicle?  | Go to Step 2  | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information  | 
2  | 
 Do the backup lamps illuminate?  | Go to Step 3  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | 
3  | Disconnect the park neutral/position switch (PNP). Are the backup lamps illuminated?  | Go to Step 4  | Go to Step 5  | 
4  | Repair the short to battery positive voltage in the backup lamp supply voltage circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair?  | Go to Step 6  | --  | 
5  | Replace the PNP switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle. Did you complete the replacement?  | Go to Step 6  | --  | 
6  | Operate the system in order to verify the repair. Did you correct the condition?  | System OK  | Go to Step 3  |