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Diagnosis Procedure
1.CHECK BACK DOOR OPEN INPUT SIGNAL
  1. Turn the power supply mode of the electric motor switch to OFF.
  2. Disconnect back door opener switch connector.
  3. Check voltage between back door opener switch harness connector and ground.
    (+)(–)Voltage
    Back door opener switch
    ConnectorTerminal
    D5071Ground9 – 16 V
Is the inspection result normal?
.
.
 
2.CHECK BACK DOOR OPENER SWITCH CIRCUIT
  1. Disconnect BCM connector.
  2. Check continuity between BCM harness connector and back door opener switch harness connector.
    BCMBack door opener switchContinuity
    ConnectorTerminalConnectorTerminal
    B2698D5071Existed
  3. Check continuity between BCM harness connector and ground.
    BCM—Continuity
    ConnectorTerminal
    B2698GroundNot existed
Is the inspection result normal?
Replace BCM. Refer to Removal and Installation.
Repair or replace harness.
 
3.CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT
Check continuity between back door opener switch harness connector and ground.
Back door opener switch—Continuity
ConnectorTerminal
D5072GroundExisted
Is the inspection result normal?
.
Repair or replace harness.
 
4.CHECK BACK DOOR OPENER SWITCH
Refer to Component Inspection.
Is the inspection result normal?
.
Replace back door opener switch. Refer to REMOVAL AND INSTALLATION.
 
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent IncidentHOW TO COPE WITH INTERMITTENT MALFUNCTIONS.
: INSPECTION END