CAN

MDU BRANCH LINE CIRCUIT

Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the ignition switch OFF.
2.Disconnect the battery cable from the negative terminal.
3.Check the terminals and connectors of the multi display 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 multi display unit.
2.Check the resistance between the multi display unit harness connector terminals.





Is the measurement value within the specification?
YES- GO TO 3.
NO- Repair the multi display unit branch line.

3. CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the multi display unit. Multi Display Unit.
Is the inspection result normal?
YES (Present error)-Replace the multi display unit. Removal And Installation.
YES (Past error)-Error was detected in the multi display unit branch line.
NO- Repair the power supply and the ground circuit.