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 left bussed electrical center
(LBEC) and the mid bussed electrical center MBEC). 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
|
- Turn ON the ignition.
- 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
2
|
Go to Step
3
|
2
| Replace the BCM. Refer to
Body Control Module Replacement
in Body Control Systems.
Is the repair complete?
| --
| System OK
| --
|
3
| Locate and repair the open in CKT 2409 (BRN) between the
left bussed electrical center (LBEC) and the BCM.
Is the repair complete?
| --
| System OK
| --
|
