Diagnosis Procedure
1.
CHECK ACCESSORY RELAY CONTROL SIGNAL CIRCUIT (SHORT TO BATTERY)
Electric motor switch to OFF.
Remove accessory relay.
Disconnect BCM connector.
Check voltage between BCM harness connector and ground.
+
-
Voltage
BCM
Connector
Terminal
M18
34
Ground
0 V
Is the inspection result normal?
Repair the harness or connector.
2.
CHECK ACCESSORY RELAY
Check accessory relay. Refer to
Component Inspection
.
Is the inspection result normal?
Replace BCM. Refer to
Removal and Installation
.
Replace accessory relay.
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Repair the harness or connector..Replace BCM. Refer to Removal and Installation.Replace accessory relay.