Inspection Procedure

USE LEXUS HAND-HELD TESTER
1. NO: Go to step 3
2. YES: GO TO NEXT STEP.
DO ACTIVE TEST OF LEXUS HAND-HELD TESTER
1. ACTIVE TEST
1. Make a judgement of good or bad and find out a malfunctioning part by the active test.
  Standard:
  
  DOOR ECU
  
  Fig 1: Active Test Results Using Hand-Held Tester - Door ECU
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
- If the driver's side mirror malfunctions, proceed to OK-A.
- If the passenger's side mirror malfunctions, proceed to OK-B.
1. OK-A: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
2. OK-B: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT RH (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
3. NG: Go to step 4
CHECK OPERATION OF OUTER REAR VIEW MIRROR
1. Check that the mirror operates when the battery voltage is applied to the door ECU connector.
  HINT:
- If the driver's side mirror malfunctions, proceed to OK-A.
- If the passenger's side mirror malfunctions, proceed to OK-B.
1. OK-A: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
2. OK-B: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT RH (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
3. NG: Go to step 4
CHECK POWER SOURCE
1. Check the voltage between each terminal of the ECU that does not perform the retraction operation.
1. Drive door ECU
  Standard:
  
  Fig 2: Voltage Between Each Terminal Of The ECU That Does Not Perform The Retraction Operation - Driver Door
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Passenger door ECU
  Standard:
  
  Fig 3: Voltage Between Each Terminal Of The ECU That Does Not Perform The Retraction Operation - Passenger Door
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 4: Identifying Driver Door And Passenger Door ECU Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPAIR OR REPLACE WIRE HARNESS OR CONNECTOR
2. OK: GO TO NEXT STEP.
INSPECT OUTER REAR VIEW MIRROR
1. Check the continuity between each terminal of the outer rear view mirror that does not perform the retraction operation.
  Standard:
  
  Fig 5: Continuity Between Each Terminal Of The Outer Rear View Mirror That Does Not Perform The Retraction Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 6: Identifying Outer Rear View Mirror Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
- In case of the driver's side wire harness, proceed to OK-A.
- In case of the passenger's side wire harness, proceed to OK-B.
- If the driver's side mirror malfunctions, proceed to NG-A.
- If the passenger's side mirror malfunctions, proceed to NG-B.
1. OK-B: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT RH (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
2. NG-A: REPLACE OUTER REAR VIEW MIRROR ASSY LH
3. NG-B: REPLACE OUTER REAR VIEW MIRROR ASSY RH
4. OK-A: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU FRONT LH (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE