GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2003 🢒 Ascender - 4WD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Vanity Mirror Lamp Inoperative

Step

Action

Yes

No

Schematic Reference: Interior Lights Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

Verify that the visor vanity mirror lamps are inoperative.

Do the visor vanity mirror lamps operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Connect a test lamp from the inadvertent power courtesy lamps supply voltage circuit above the headliner at the inoperative visor vanity mirror connector to ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 4

Go to Step 5

4

Connect a test lamp between the inadvertent power courtesy lamps supply voltage circuit and the ground circuit at the inoperative visor vanity mirror lamp connector. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

Go to Step 7

Go to Step 6

5

Repair the open, high resistance or short to ground in the inadvertent power courtesy lamps supply voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

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6

Repair the open or high resistance in the ground circuit. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

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7
    • Inspect the inoperative visor mirror bulb for an open filament and replace as necessary. Refer to Sunshade Illuminated Mirror Lamp Bulb Replacement
    • If the bulb is good, replace the sunshade. Refer to Sunshade Replacement in Interior Trim.

Is the repair complete?

Go to Step 8

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8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3