Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
|
Important: A short to ground will cause an open fuse(s). Before performing this diagnostic procedure, inspect the fuse(s) for an open. | ||||
1 |
Is the resistance within the specified range? | 0-2 ohms | Go to Step 2 | Go to Step 3 |
2 | Use the DMM in order to measure the voltage between terminal C of the rear view mirror reading lamps connector and ground. Does the voltage measure to the specified value? | B+ | Go to Step 4 | Go to Step 5 |
3 | Repair the open in CKT 750 between the rear view mirror reading lamps and ground splice pack G401. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
4 | Replace the rear view mirror reading lamps. Refer to Dome and Reading Lamp Bulb Replacement . Is the repair complete? | -- | -- | |
5 | Use the DMM in order to backprobe the left IP junction block connector C3. Measure the voltage between terminal C4 and ground. Does the voltage measure to the specified value? | B+ | Go to Step 6 | Go to Step 7 |
6 | Repair the open in CKT 1732 between the left IP junction block and the right vanity mirror lamp rear view mirror reading lamps. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- | |
7 | Replace the left IP junction block. Refer to Relay/Fuse Center Replacement in Wiring Systems. Is the repair complete? | -- | -- | |
