For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Interior Lights System Check? | -- | Go to Step 2 | Go to Interior Lamps System Check
2 | Disconnect the diode module. Does the dome lamp light? | -- | Go to Step 3 | Go to Step 4
3 | Does the vehicle have 4 doors? | -- | Go to Step 8 | Go to Step 10
4 |

1. Disconnect the switch connector from the left front door jamb.
2. Close the left front door.
3. Connect a test lamp from the left front door jamb switch connector terminal (BLK wire) to B+.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5 | Replace the left front door jamb switch. Refer to Front Side Door Jamb Switch Replacement . Is the repair complete? | -- | Go to Interior Lamps System Check | --
6 | Inspect for a short to ground in the BLK/BLU wire between the following components:

• | The left front door jamb switch

• | The audio alarm module

• | The diode module

Is the connection OK?

--

Go to Step 7

Go to Step 12

7 | Replace the audio alarm module. Refer to Audio Alarm Module Replacement in IP Systems. Is the repair complete? | -- | Go to Interior Lamps System Check | --
8 | Inspect for a short to ground in the BLK/RED wire between the following components:

• | The dome lamp

• | The diode module

• | The right front door jamb switch connector

• | The left rear door jamb switch connector

• | The right rear door jamb switch connector

Is the connection OK?

--

Go to Step 9

Go to Step 12

9 | Replace the dome lamp. Refer to Dome Lamp Replacement . Is the repair complete? | -- | Go to Interior Lamps System Check | --
10 | Inspect for a short to ground in the BLK/RED wire between the following components:

• | The dome lamp

• | The diode module

• | The right front door jamb switch connector

Is the connection OK?

--

Go to Step 11

Go to Step 12

11 | Replace the dome lamp. Refer to Dome Lamp Replacement . Is the repair complete? | -- | Go to Interior Lamps System Check | --
12 | Repair the short to ground. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Interior Lamps System Check | --