Clock: Testing and Inspection
Symptom TroubleshootingClock is abnormal
1. Remove the audio-HVAC display module.
2. Remove the clock.
3. Check the connections at the clock 10P connector and the audio-HVAC display panel connector C (10P).
Are the connectors and terminals connected properly?
YES - Go to step 4.
NO - Repair the connection and recheck.
4. Check for continuity between the clock 10P connector and the audio-HVAC display panel connector C (10P) terminals for each wire listed in the chart.
Is there continuity?
YES - Go to step 5.
NO - Repair the open in the wire between the audio-HVAC display panel and the clock.
5. Check for continuity between each clock 10P connector terminal and body ground.
Is there continuity?
YES - Repair the short to ground in the wire between the audio-HVAC display panel and the clock.
NO - Go to step 6.
6. Substitute a known-good clock and recheck.
Is the clock normal?
YES - Replace the original clock.
NO - Substitute a known-good audio-HVAC display panel and retest. If the problem is gone, replace the original audio-HVAC display panel.