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NO CAN COMMUNICATIONS WITH CAB (CONTINUED) 10. CAN C BUS (-) CIRCUIT SHORT TO GROUND Turn the ignition off. Measure the resistance between ground and the CAN C Bus (-) cir- Is the resistance below 100 ohms? Yes >> Repair the CAN C Bus (-) circuit for a short to ground. Perform BODY VERIFICATION TEST. No >> Repair the CAN C Bus (+) circuit for a short to ground. Perform BODY VERIFICATION TEST. 11. CAN C BUS (-) CIRCUIT OPEN FROM CAB TO INSTRUMENT CLUSTER With the ignition off. Disconnect the CAB harness connector. Note: Check connectors — Clean/repair as necessary. Is the resistance below 5.0 ohms? Yes >> Repair the CAN C Bus (+) circuit for an open between the Instrument Cluster C1 harness and the CAB harness con- Perform BODY VERIFICATION TEST. No >> Repair the CAN C Bus (-) circuit for an open between the Instrument Cluster C1 harness and the CAB harness con- Perform BODY VERIFICATION TEST. ZH INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS 8J - 33 |