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Home › Toyota › 2009 › 4Runner SR5, 4.7 T, AWD › Repair and Diagnosis › Body & Frame › Windows › Windshield/Window Glass › Power Window Control System › Symptom Test › Manual Up/Down Function does not Operate on Back Door Only › Inspection Procedure

Inspection Procedure

  1. CHECK REAR WIPER OPERATION 
    1. Turn the ignition switch ON.
    2. Operate the rear wiper and turn the rear wiper switch OFF.
    3. Check that the rear wiper stops at the retract position when the rear wiper switch is turned OFF.

      NG: REPAIR OR REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY 

      Fig 1: Locating Rear Wiper Stops Retract Position
      G04967121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Go to next step 

  2. INSPECT BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    1. Using the Techstream, read the DTC when the back power window switch is operated.
      1. When DTC B1287 is output, proceed to A.
      2. When no DTC is output, proceed to B.
      3. When DTC B1241 is output, proceed to C.

        B: INSPECT BACK DOOR POWER WINDOW REGULATOR SWITCH ASSEMBLY 

        C: Go to step 3 

        A: INSPECT MULTIPLEX COMMUNICATION SYSTEM 

  3. READ VALUE USING TECHSTREAM 
    1. Check the condition of the retract switch using the data list.

      Standard: 

      Back Door 

      TESTER DISPLAY REFERENCE CHART

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Wiper Retracting SW Rear wiper retract switch signal/ON or OFF ON: Rear wiper retract switch is in ON position
      OFF: Rear wiper retract switch Is in OFF position      		 -

      NG: Go to step  6

      OK: Go to next step 

  4. WIRE HARNESS (BACK DOOR ECU - POWER WINDOW MOTOR) (BACK DOOR ECU GROUND) 
    1. Disconnect the B9 ECU connector.
    2. Disconnect the B11 motor connector.
    3. Check the continuity between the wire harness side connectors.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      B9-25 - B11-5 Continuity
      B9-13 - B11-4 Continuity
    4. Check the continuity between the B9 ECU connector and the body ground.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      B9-13 - Body ground No continuity
      B9-25 - Body ground No continuity

      NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

      Fig 2: Identifying B9 ECU And B11 Motor Connector Terminals
      G04967122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: Go to next step 

  5. INSPECT BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY 
    1. Remove the motor.
    2. Apply battery voltage between the connector terminals and check that the motor gear rotates smoothly.
      NOTE: Do not apply battery voltage to any terminals except terminals 4 and 5.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      Battery positive voltage → 5
      Battery negative voltage → 4      		 Counterclockwise
      Battery positive voltage → 4
      Battery negative voltage → 5      		 Clockwise
      Fig 3: Inspecting Back Door Power Window Regulator Motor Assembly
      G04967123Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY 

      OK: CHECK AND REPLACE MULTIPLEX NETWORK DOOR ECU BACK 

  6. CHECK WIRE HARNESS (BACK DOOR ECU - POWER WINDOW MOTOR) (BACK DOOR ECU - GROUND) 
    1. Disconnect the B9 ECU connector.
    2. Disconnect the R23 motor connector.
    3. Check the continuity between the wire harness side connectors.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      B9-12 - R23-1 Continuity
      B9-18 - R23-2 Continuity
    4. Check the continuity between the B9 ECU connector and the body ground.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      B9-12 - Body ground No continuity
      B9-18 - Body ground No continuity

      NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

      Fig 4: Identifying B9 ECU And R23 Motor Connector Terminals
      G04967124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: REPLACE BACK DOOR POWER WINDOW REGULATOR MOTOR ASSEMBLY 

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