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Diagnosis Procedure
1.CHECK DOOR REQUEST SWITCH INPUT SIGNAL
  1. Turn the power supply mode of the electric motor switch to OFF.
  2. Disconnect front door request switch LH connector.
  3. Check voltage between front door request switch LH harness connector and ground.
    (+)(–)Voltage
    Front door request switch LH
    ConnectorTerminal
    D194Ground12 V
Is the inspection result normal?
.
.
 
2.CHECK DOOR REQUEST SWITCH CIRCUIT
  1. Disconnect keyless operation key unit connector.
  2. Check continuity between front door request switch LH harness connector and keyless operation key unit harness connector.
    Front door request switch LHKeyless operation key unitContinuity
    ConnectorTerminalConnectorTerminal
    D194M1844Existed
  3. Check continuity between front door request switch LH harness connector and ground.
    Front door request switch LH—Continuity
    ConnectorTerminal
    D194GroundNot existed
Is the inspection result normal?
Replace keyless operation key unit. Refer to REMOVAL AND INSTALLATION.
Repair or replace harness.
 
3.CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between front door request switch LH harness connector and ground.
Front door request switch LH—Continuity
ConnectorTerminal
D193GroundExisted
Is the inspection result normal?
.
Repair or replace harness.
 
4.CHECK DOOR REQUEST SWITCH
Refer to Component Inspection.
Is the inspection result normal?
.
Replace front door outside handle. Refer to REMOVAL AND INSTALLATION.
 
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent IncidentHOW TO COPE WITH INTERMITTENT MALFUNCTIONS.
: INSPECTION END