For 1990-2009 cars

## Courtesy Lamps Inoperative with Doors Open Rear Oldsmobile

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

1. Disconnect the suspect door lock actuator connector.
2. Connect a fused jumper between ground and the appropriate door lock actuator connector cavity:

• | LH front door: cavity A (BLK)

• | RH front door (Oldsmobile): cavity D (DK BLU)

• | RH front door (Buick): cavity B (YEL)

• | rear doors (Oldsmobile): cavity A (DK BLU)

Do all of the courtesy lamps light?

--

Go to Step 3

Go to Step 4

3 | Inspect CKT 151 (BLK/WHT) for an open. Refer to Testing for Continuity in Wiring Systems. Is CKT 151 OK? | -- | Go to Step 5 | Go to Step 7
4 | Inspect the appropriate circuit for an open or short to voltage:

• | LH front door: CKT 155 (BLK)

• | RH front door (Oldsmobile): CKT 49 (DK BLU)

• | RH front door (Buick): CKT 528 (YEL)

• | rear doors (Oldsmobile): CKT 49 (DK BLU)

Refer to Testing for Continuity in Wiring Systems.

Is CKT 49 OK?

--

Go to Step 6

Go to Step 7

5 | Replace the suspect rear door lock actuator. Refer to Door Lock Actuator Replacement or Rear Side Door Lock Actuator Replacement in Doors. Is the repair complete? | -- | Go to Interior Lamps System Check | --
6 | Replace the body control module (MALL). Refer to Body Control Module Replacement in Body Control System. Is the repair complete? | -- | Go to Interior Lamps System Check | --
7 | Repair the suspect wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Interior Lamps System Check | --