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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 › DTC B2221 Jam Protection Pulse Sensor Circuit on Back Door › Inspection Procedure

Inspection Procedure

  1. RESET POWER WINDOW REGULATOR MOTOR ASSEMBLY 
    1. Turn the ignition switch ON.
    2. Open the back door glass.
    3. Press the back door power window switch until the door glass is fully closed, and continue to hold the switch 1 second more even after the door glass is fully closed.
    4. Check that the AUTO UP/DOWN function operates normally.

      NG: Go to step 2 

      OK: END 

  2. CHECK WIRE HARNESS (BACK DOOR ECU - WINDOW MOTOR) (BACK DOOR ECU BODY 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
      B9-23 - B11-3 Continuity
      B9-17 - B11-2 Continuity
      B9-16 - B11-6 Continuity
      B9-11 - B11-1 Continuity
    4. Check the continuity between the B9 ECU connector and the body ground.

      Standard 

      TERMINAL SPECIFIED CONDITION REFERENCE CHART

      Terminal No. Specified Condition
      B9-11 - Body ground No continuity
      B9-16 - Body ground No continuity
      B9-17 - Body ground No continuity
      Fig 1: Identifying B9 ECU And B11 Motor Connector Terminals
      G06129643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

      OK: REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY 

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