CAN

BRAKE BRANCH LINE 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 electrically-driven intelligent brake unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS FOR OPEN CIRCUIT

1.Disconnect the connector of electrically-driven intelligent brake unit.
2.Check the resistance between the electrically-driven intelligent brake unit harness connector terminals.





Is the measurement value within the specification?
YES- GO TO 3.
NO- Repair the electrically-driven intelligent brake unit branch line.

3. CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the electrically-driven intelligent brake unit. Refer to "Diagnosis Procedure" Power Supply And Ground Circuit.
Is the inspection result normal?
YES (Present error)-Replace the electrically-driven intelligent brake unit. Refer to "Removal and installation" Removal And Installation.
YES (Past error)-Error was detected in the electrically-driven intelligent brake unit branch line.
NO- Repair the power supply and the ground circuit.