For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Interior Lamps System Check? | -- | Go to Step 2 | Go to Interior Lamps System Check
2 |

1. Disconnect the rear view mirror reading lamps connector.
2. Use a J 39200 DMM in order to measure the resistance between terminal B of the rear view mirror reading lamps connector and ground.

Is the resistance within the specified range?

0-2 ohms

Go to Step 3

Go to Step 4

3 | Use the J 39200 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 5 | Go to Step 6
4 | 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? | -- | Go to Interior Lamps System Check | --
5 | Replace the rear view mirror reading lamps. Is the repair complete? | -- | Go to Interior Lamps System Check | --
6 | Use the J 39200 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 7 | Go to Step 8
7 | 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? | -- | Go to Interior Lamps System Check | --
8 | Replace the left IP junction block. Refer to Relay/Fuse Center Replacement in Wiring Systems. Is the repair complete? | -- | Go to Interior Lamps System Check | --