Step
| Action
| Value(s)
| Yes
| No
|
1
| Did you perform the Overspeed Warning Alarm Diagnostic
System Check?
| --
| Go to
Step 2
| Go to
Audible Warnings System Check
|
2
|
- Disconnect connector C2 at the multi-function alarm module.
- Disconnect connector C4 at the one of the following locations:
| • | Gas engine -- vehicle control module (VCM) |
| • | Diesel engine -- powertrain control module (PCM) |
- Connect a J 39200
DMM between multifunction alarm module connector C2 cavity B
and one of the following locations on CKT 389 (DK GRN):
| • | Gas engine -- VCM connector C4 cavity 4 |
| • | Diesel engine -- PCM C2 cavity A6 |
Is continuity present?
| --
| Go to
Step 3
| Go to
Step 4
|
3
| Replace the multifunction alarm module.
Is the repair complete?
| --
| Go to
Audible Warnings System Check
| --
|
4
| Locate
and repair the open in CKT 389 (DK 389) between the multifunction alarm
module and the VCM/PCM.
| --
| Go to
Audible Warnings System Check
| --
|
