Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Perform a visual inspection for loose or poor connections at all related components. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
DTC B2610
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Interior Lights Dimming Schematics Connector End View Reference: Lighting Systems Connector End Views or Body Control System Connector End Views in Body Control System |
|||
| 1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 2 | Test the instrument panel lamps dimming reference circuit for an open, high resistance, short to battery positive voltage or short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 7 | Go to Step 3 |
| 3 | Test the I/P dimming signal circuit for a short to battery positive voltage or an open. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 7 | Go to Step 4 |
| 4 |
|
Go to Step 6 | Go to Step 5 |
| 5 | Replace the headlamp/I/P dimmer switch. Refer to Instrument Panel (I/P) Dimmer Switch Replacement . Did you complete the repair? |
Go to Step 7 | - |
| 6 |
IMPORTANT:
Always perform the setup procedure for the BCM.
|
Go to Step 7 | - |
| 7 |
|
Go to Step 2 | System OK |