Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Did you perform the Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Are the back up lamps illuminated? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 5 |
4 | Connect a test lamp between the backup lamp, LH connector terminals A and G. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 6 | Go to Step 7 |
5 | Determine if the vehicle has a manual transmission or an automatic transmission. Does the vehicle have a manual transmission? | -- | Go to Step 10 | Go to Step 11 |
6 | Replace the backup lamps. Refer to Backup Lamp Bulb Replacement . Did you complete the replacement? | -- | Go to Step 17 | -- |
7 | Connect a test lamp between the backup lamp, LH connector terminals A and ground. Refer to Circuit Testing in Wiring Systems. Does the test light illuminate? | -- | Go to Step 8 | Go to Step 9 |
8 | Repair a poor connection or an open in the backup lamp ground circuit. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
9 | Repair a poor connection or an open in the supply voltage circuit of the backup lamps. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
10 | Connect a test lamp between the backup lamp switch connector terminal B and ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 9 | Go to Step 12 |
11 | Connect a test lamp between the park/neutral position switch connector terminal C and ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 15 | Go to Step 14 |
12 |
Does the test lamp illuminate? | -- | Go to Step 13 | Go to Step 14 |
13 | Replace the backup lamp switch. Refer to Backup Lamp Switch Replacement in Manual Transmission - M49 or Backup Lamp Switch Replacement in Manual Transmission - MM6. Did you complete the replacement? | -- | Go to Step 17 | -- |
14 | Repair an open or a poor connection in the ignition 3 voltage circuit of the backup lamp switch or the park/neutral position switch. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 17 | -- |
15 | Connect a test lamp between the park/neutral position switch connector terminal D and ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 9 | Go to Step 16 |
16 | Adjust or replace the park/neutral position switch. Refer to Park/Neutral Position Switch Adjustment or Park/Neutral Position Switch Replacement in Automatic Transmission. Did you complete the adjustment or the replacement? | -- | Go to Step 17 | -- |
17 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |