Diagnosis Procedure
1.
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the multi-around monitor control unit for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
.
Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
Disconnect the connector of multi-around monitor control unit.
Check the resistance between the multi-around monitor control unit harness connector terminals.
Multi-around monitor control unit harness connector
Resistance (Ω)
Connector No.
Terminal No.
B75
6
23
Approx. 54 – 66
Is the measurement value within the specification?
.
Repair the multi-around monitor control unit branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the multi-around monitor control unit. Refer to
Diagnosis Procedure
.
Is the inspection result normal?
(Present error)
Replace the multi-around monitor control unit. Refer to
Removal and Installation
.
(Past error)
Error was detected in the multi-around monitor control unit branch line.
Repair the power supply and the ground circuit.