Diesel Data: Automotive Repair

Check CAN Bus Lines For Short Circuit

CHECK CAN BUS LINES FOR SHORT CIRCUIT

CIRCUIT DESCRIPTION




There may be a short circuit between the CAN bus lines when the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is below 54 Ohms.

Wiring Diagram:






Step 1 - 3:




Step 4 - 6:




Step 7 - 9:




Step 10 - 12:




Step 13 - 15:




Step 16 - 18:




Step 19 - 21:




Step 22 - 24:




Step 25 - 27:




Step 28:




INSPECTION PROCEDURE