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Diagnosis Procedure
1.CHECK LIN COMMUNICATION SIGNAL
  1. Electric motor switch ON.
  2. Check signal between passenger door mirror control module harness connector and ground using an oscilloscope.
    (+)(−)Signal
    (Reference value)
    Passenger door mirror control module
    ConnectorTerminal
    D1087Ground
Is the inspection result normal?
.
.
 
2.CHECK PASSENGER DOOR MIRROR CONTROL MODULE CIRCUIT
  1. Electric motor switch OFF.
  2. Disconnect passenger door mirror control module connector and BCM connector.
  3. Check continuity between passenger door mirror control module harness connector and BCM harness connector.
    Passenger door mirror control moduleBCMContinuity
    ConnectorTerminalConnectorTerminal
    D1087M1824Existed
  4. Check continuity between passenger door mirror control module harness connector and ground.
    Passenger door mirror control module—Continuity
    ConnectorTerminal
    D1087GroundNot 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