BUS System Communication

Symptom: BUS SYSTEM COMMUNICATION FAILURE

When Monitored and Set Condition:
BUS SYSTEM COMMUNICATION FAILURE

When Monitored: Ignition ON, continuously.

Set Condition: When the CAB does not receive a message from the instrument cluster for 10 seconds.

POSSIBLE CAUSES

- INTERMITTENT CONDITION
- ELECTRO-MECHANICAL INSTRUMENT CLUSTER DTC PRESENT
- BUS CIRCUIT OPEN
- CAB - INTERNAL FAILURE

Step 1-Step 2:

Step 3-Step 4: