Step | Action | Value(s) | Yes | No | ||||
|---|---|---|---|---|---|---|---|---|
1 | Were you sent here from the Lighting Systems Diagnostic System Check? | -- | ||||||
2 |
Does the test light illuminate? | -- | ||||||
3 |
Does the test light illuminate? | -- | ||||||
4 | Inspect the BTSI BU Minifuse® #21 for an open. Is the fuse open? | -- | ||||||
5 |
Does the test light illuminate? | -- | ||||||
6 | Repair the open or high resistance in the back up lamp switch feed circuit 341. Is the repair complete? | -- | -- | |||||
7 | Test and repair the back up lamp feed circuit 24 for a short to ground. Did you find and correct the condition? | -- | ||||||
8 | Test and repair the back up lamp switch circuit 1524 for a short to ground. Did you find and correct the condition? | -- | ||||||
9 | Repair the back up lamp switch feed circuit 341 for a short to ground. Is the repair complete? | -- | -- | |||||
10 |
Does the test light illuminate? | -- | ||||||
11 | Repair the open or high resistance in back up lamp switch circuit 1524. Is the repair complete? | -- | -- | |||||
12 | Replace the back up lamp switch (manual) or the park neutral position switch (auto). Refer to Backup Lamp Switch Replacement or Park/Neutral Position Switch Replacement . Is the repair complete? | -- | -- | |||||
13 | Install a fused jumper wire across the back up lamp switch circuit 1524 and back up lamp feed circuit 24 relay terminals in the underhood electrical center. With the ignition ON and the transmission in reverse, do the backup lamps illuminate? | -- | ||||||
14 | Replace the BACK UP Micro Relay #38. Is the repair complete? | -- | -- | |||||
15 | Test and repair the back up lamp feed circuit 24 for an open or high resistance. Did you find and correct the condition? | -- | ||||||
16 | Test and repair the back up lamp ground circuit 150 for an open or high resistance. Did you find and correct the condition? | -- | ||||||
17 | Replace both backup lamp bulbs. Is the repair complete? | -- | -- | |||||
18 |
Did you correct the condition? | -- | System OK |
