Step
| Action
| Value(s)
| Yes
| No
|
|
Important::
| • | Inspect the condition of body control module (BCM), Ign 1, the
cruise fuse and park lamp fuses (located in the fuse block and the body wiring
harness junction block). If any fuse is open, replace the fuse and
retest the system for intermittent fuse failure. If the fuse
continues to fail locate and repair source of overload. Refer
to
Power Distribution Schematics
. |
| • | Inspect to make sure that Ground G203 and G304 are clean and tight. |
| • | This diagnostic table assumes that all other chimes function properly
and headlamps operate. |
|
1
| Did you perform the Diagnostic
System Check - Audible Warnings?
| --
|
Go to Step 2
| Go to
Diagnostic System Check - Audible Warnings
|
2
| Verify the fault is present.
Does the system operate normally?
| --
| Go to
Testing for Intermittent Conditions and Poor Connections
|
Go to Step 3
|
3
|
- Turn ON the ignition with the ignition OFF.
- Place the headlamp switch to the park position.
- Using a scan tool, read the BCM input data for park lamps.
Does the scan tool read ON?
| --
|
Go to Step 4
|
Go to Step 5
|
4
| Replace the BCM. Refer
to
Body Control Module Replacement
in Body Control Systems.
Did you complete the replacement?
| --
|
Go to Step 6
| --
|
5
| Repair the open in the fused interior
park lamp feed between the Fuse Block and the BCM. Refer to
Wiring Repairs
in Wiring Systems.
Did you complete the repair?
| --
|
Go to Step 6
| --
|
6
| Operate the system in order to verify the repair.
Did you correct the condition?
| --
| System OK
|
Go to Step 3
|
