Diagnosis Procedure
1.
CHECK LIN COMMUNICATION SIGNAL
Ignition switch ON.
Check signal between passenger door mirror control module harness connector and ground using an oscilloscope.
(+)
(−)
Signal
(Reference value)
Passenger door mirror control module
Connector
Terminal
D108
7
Ground
Is the inspection result normal?
.
.
2.
CHECK PASSENGER DOOR MIRROR CONTROL MODULE CIRCUIT
Ignition switch OFF.
Disconnect passenger door mirror control module connector and BCM connector.
Check continuity between passenger door mirror control module harness connector and BCM harness connector.
Passenger door mirror control module
BCM
Continuity
Connector
Terminal
Connector
Terminal
D108
7
M18
24
Existed
Check continuity between passenger door mirror control module harness connector and ground.
Passenger door mirror control module
—
Continuity
Connector
Terminal
D108
7
Ground
Not existed
Is the inspection result normal?
.
Repair or replace harness.
3.
REPLACE PASSENGER DOOR MIRROR CONTROL MODULE
Replace passenger door mirror control module. Refer to
Removal and Installation
.
Is the inspection result normal?
INSPECTION END
.
4.
REPLACE BCM
Replace BCM. Refer to
Removal and Installation
.
:
INSPECTION END