Diesel Data: Automotive Repair

Short to GND in CAN Bus Line

Short to GND in CAN Bus Line

DESCRIPTION

Symptom:




A short to GND is suspected in the CAN bus line when the resistance between terminals 4 (CG) and 6 (CANH), or terminals 4 (CG) and 14 (CANL) of the DLC3 is below 1 kOhm.

Wiring Diagram (Part 1):




Wiring Diagram (Part 2):






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Step 1 (Continued)-3:




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Step 3 (Continued)-5:




Step 5 (Continued):




INSPECTION PROCEDURE