NO PCI BUS MESSAGES RECEIVED
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition in the Run/Start position.
- Set Condition:
The Instrument Cluster detects no PCI Bus messages for 4 continuous seconds. The VF will display "no bus." The cluster will illuminate the ABS, Fuel, Airbag, and MIL warning indicators. All gauge needles will default to the lowest indication.
| Possible Causes |
| NO RESPONSE - PCI BUS |
| INTERMITTENT CONDITION |
| NO RESPONSE - PCI BUS - INSTRUMENT CLUSTER |
| INSTRUMENT CLUSTER |
Diagnostic Test
1. NO RESPONSE - PCI BUSTurn the ignition on.
NOTE: When the Instrument Cluster detects no PCI Bus, the VF will display "no bus".
With the scan tool, attempt to communicate with other modules on the PCI Bus.
Was the scan tool able to communicate with other modules?
Yes
- Go To2
No
- Refer to the COMMUNICATION category for the related symptom(s).
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2. NO RESPONSE - PCI BUS - INSTRUMENT CLUSTER
Turn the ignition on.
With the scan tool, select System Monitors, then J1850 Module Scan.
Does the scan tool display MIC PRESENT on the BUS?
Yes
- Go To3
No
- Refer to symptom "No Response from Instrument Cluster in the Communication" category.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
3. INSTRUMENT CLUSTER
With the scan tool, erase DTCs.
Cycle the ignition and wait approximately 1 minute.
With the scan tool, read DTCs.
Did this DTC reset?
Yes
- Replace the Instrument Cluster in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- The condition is not present at this time. Monitor scan tool parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness and connector terminals.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)