P1687

Tests 1 - 3:

Test 4:

SYMPTOM
P1687 - NO CLUSTER BUS MESSAGE

WHEN MONITORED
With the ignition switch ON.

SET CONDITION
The PCM does not receive an expected MIC Status CCD Bus message from the instrument cluster within the last 20 seconds.

POSSIBLE CAUSES
- Open CCD Bus (+) circuit
- Open CCD Bus (-) circuit
- Wiring harness intermittent defect
- Instrument cluster