Symptom Troubleshooting
Symptom Troubleshooting: Error is indicated on the LCD display
Error is indicated on the LCD display
1. Turn the ignition switch to ON (II).
2. Check for PGM-FI system DTCs with the HDS.
Are there PGM-FI system DTCs?
YES - Do the DTC's troubleshooting, then do the gauge assembly self-diagnosis. Initial Inspection and Diagnostic Overview
NO - Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Disconnect gauge assembly connector B (30P).
5. Jump the SCS line with the HDS.
6. Disconnect ECM connector E (31P).
7. Check for continuity between gauge assembly connector B (30P) terminal No. 26 and ECM connector E (31P) terminal No. 13.
Is there continuity?
YES - Go to step 8.
NO - Repair an open in the wire between the gauge assembly and the ECM.
8. Check for continuity between gauge assembly connector B (30P) terminal No. 26 and body ground.
Is there continuity?
YES - Repair a short to ground in the wire between the gauge assembly and the ECM.
NO - Go to step 9.
9. Reconnect gauge assembly connector B (30P).
10. Turn the ignition switch to ON (II).
11. Measure the voltage between gauge assembly connector B (30P) terminal No. 26 and body ground.
Is there battery voltage?
YES - Replace the ECM.
- '00-05 models
- '06-09 models Service and Repair
NO - Replace the gauge assembly. Service and Repair