P1685-SKIM SYSTEM
For a complete wiring diagram Refer to Section 8W
- When Monitored:
With the ignition on.
- Set Condition:
A communication error occurs between the ECM and SKREEM.
| Possible Causes |
| INTERMITTENT DTC |
| SKREEM |
| ENGINE CONTROL MODULE (ECM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
Diagnostic Test
1.CHECK FOR SKREEM COMMUNICATION AND DTCSAre any SKREEM communication problems or DTCs present?
Yes
- Refer to the symptom list for problems related to SKREEM Communication and DTCs before continuing.
No
- Go To 2
2.CHECK FOR ACTIVE DTC
Is the status Active for this DTC?
Yes
- Go to 3
No
- Refer to *CHECKING FOR INTERMITTENT DTC in the symptom list. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
3.REPLACE THE SKREEM AND RETEST
Is the status Active for this DTC?
Yes
- Replace and program the Engine Control Module in accordance the Service Information.
- Perform the ECM Verification Test Ver. 1. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
No
- Test complete.