GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Montana - 4WD 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Vanity Mirror Lamp Inoperative

Step

Action

Yes

No

Schematic Reference: Interior Lights Schematics

Connector End View Reference: Master Electrical Component List in Wiring Systems.

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2
  1. Remove the inoperative vanity mirror bulb.
  2. Turn the ignition switch to the RUN position.
  3. Turn the interior lamps override switch to the ON position.
  4. Using a test lamp, probe between the supply voltage circuit and the ground circuit of the inoperative vanity mirror bulb socket.

Does the test lamp illuminate?

Go to Step 5

Go to Step 3

3
  1. Remove the inoperative vanity mirror from the headliner. Refer to Sunshade Replacement in Interior Trim for service procedure.
  2. Using a test lamp connected to ground, probe the supply voltage circuit of the inoperative vanity mirror connector.

Does the test lamp illuminate?

Go to Step 8

Go to Step 4

4

Using a test lamp connected to battery positive voltage, probe the ground circuit of the inoperative vanity mirror connector.

Does the test lamp illuminate?

Go to Step 6

Go to Step 7

5

Inspect for poor connections at the lamp socket of the inoperative vanity lamp bulb. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 10

6

Inspect for poor connections at the harness connector of the inoperative vanity lamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 11

Go to Step 9

7

Repair an open or high resistance in the ground circuit of the inoperative vanity mirror. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 11

--

8

Repair an open or high resistance in the voltage supply circuit of the inoperative vanity mirror. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 11

--

9

Replace the vanity mirror lamp. Refer to Vanity Mirror Lamp Replacement .

Is the repair complete?

Go to Step 11

--

10

Replace the vanity mirror illuminated vanity mirror lamp bulb(s). Refer to Vanity Mirror Lamp Replacement .

Is the repair complete?

Go to Step 11

--

11

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2