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Open in One Side of CAN Branch Line

Open in One Side of CAN Branch Line

DESCRIPTION




If 2 or more ECUs and/or sensors do not appear on the intelligent tester "Communication Bus Check" screen, one side of the CAN branch wire may be open. (One side of the CAN-H [branch wire] / CAN-L [branch wire] of the ECU and/or sensor is open.)

Wiring Diagram (Part 1):




Wiring Diagram (Part 2):






INSPECTION PROCEDURE

HINT: Perform the given inspection for the ECUs (sensors) which are not displayed on the intelligent tester. If the malfunction cannot be identified, then perform the given inspections for the ECUs (sensors) connected to CAN communication.

Step 1-2: