CAN
E-SUS 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 E-SUS control 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 E-SUS control unit.
2. Check the resistance between the E-SUS control unit harness connector terminals.
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the E-SUS control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the E-SUS control unit. C1D18.
Is the inspection result normal?
YES (Present error)-Replace the E-SUS control unit. Exploded View.
YES (Past error)-Error was detected in the E-SUS control unit branch line.
NO - Repair the power supply and the ground circuit.