CAN

DLC BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT)

Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the power switch OFF.
2.Disconnect the 12V battery cable from the negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
3.Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side).
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS FOR OPEN CIRCUIT

Check the resistance between the data link connector terminals.





Is the measurement value within the specification?
YES (Present error)-Diagnose again. Refer to "Trouble Diagnosis Flow Chart" Trouble Diagnosis Flow Chart.
YES (Past error)-Error was detected in the data link connector branch line circuit (CAN communication circuit side).
NO- Repair the data link connector branch line (CAN communication circuit side).