POWER BACK DOOR SYSTEM Power Back Door cannot be Operated Using Any Switch

DESCRIPTION

When the power back door cannot be operated using any switch, one of the following may be the cause: 1) initialization of the back door motor unit, 2) power back door sensor assembly circuit, 3) power back door ON/OFF signal circuit, 4) back door closer system, 5) back door motor unit power source circuit or 6) back door motor unit.

WIRING DIAGRAM

B006R28E03

CAUTION / NOTICE / HINT

Note


  • First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.

    Click here

  • Inspect fuses for circuits related to this system before performing the following inspection procedure.

  • If the replacement, removal and installation of the back door motor unit or disconnection of the connectors of the multiplex network door ECU has been performed, initialize the power back door system.

    Click here

PROCEDURE


  1. INITIALIZE BACK DOOR MOTOR UNIT


    1. Perform the initialization for the back door motor unit.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK POWER BACK DOOR SYSTEM


    1. Check that the power back door system operates normally.

      Click here

      OK
      The power back door system operates normally
      Result
      Proceed to
      OK
      NG

    OK

    END (POWER BACK DOOR SYSTEM HAS NOT BEEN INITIALIZED)

    NG

  3. CHECK BACK DOOR CLOSER SYSTEM


    1. Check back door closer system operation.

      Click here

      OK
      Back door closer system operates normally
      Result
      Proceed to
      OK
      NG

    NG

    GO TO BACK DOOR CLOSER SYSTEM Click here

    OK

  4. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Back Door > Trouble Codes
      OK
      DTC is not output
      Result
      Proceed to
      OK
      NG

    NG

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (BACK DOOR MOTOR UNIT - BATTERY AND BODY GROUND)


    1. B006QPVC01
      *a

      Rear view of wire harness connector

      (to Back Door Motor Unit)

      Disconnect the back door motor unit connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      K22-11 (GND) - Body ground Always Below 1 Ω

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      K22-10 (ECUB) - Body ground Always 11 to 14 V
      K22-12 (B) - Body ground Always 11 to 14 V
      K22-8 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. READ VALUE USING GTS


    1. Read the Data List according to the display on the GTS.

      Click here


      Body Electrical > Back Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      PBD Main SW Power slide door main switch ON/OFF signal ON or OFF

      ON: Power slide door main switch on

      OFF: Power slide door main switch off

      		 -

      Body Electrical > Back Door > Data List
      Tester Display
      PBD Main SW
      OK
      On GTS screen, item changes between ON and OFF according to above chart.
      Result
      Proceed to
      OK
      NG

    NG

    INSPECT POWER SLIDE DOOR MAIN SWITCH Click here

    OK

  7. READ VALUE USING GTS


    1. Read the Data List according to the display on the GTS.

      Click here


      Body Electrical > Back Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      PBD Touch Sensor (Right) Power back door sensor assembly RH signal ON, OFF or Open

      ON: Power back door sensor assembly RH pressed

      OFF: Power back door sensor assembly RH not pressed

      Open: Power back door sensor assembly RH circuit open

      		 -
      PBD Touch Sensor (Left) Power back door sensor assembly LH signal ON, OFF or Open

      ON: Power back door sensor assembly LH pressed

      OFF: Power back door sensor assembly LH not pressed

      Open: Power back door sensor assembly LH circuit open

      		 -

      Body Electrical > Back Door > Data List
      Tester Display
      PBD Touch Sensor (Right)
      PBD Touch Sensor (Left)
      Result
      Result Proceed to
      On the GTS screen, ON or OFF is displayed accordingly A
      On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly RH B
      On the GTS screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly LH C

    A

    REPLACE BACK DOOR MOTOR UNIT Click here

    B

    INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH Click here

    C

    INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH Click here

  8. INSPECT POWER SLIDE DOOR MAIN SWITCH


    1. Remove the power slide door main switch.

      Click here

    2. Inspect the power slide door main switch.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POWER SLIDE DOOR MAIN SWITCH Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR MAIN SWITCH - BACK DOOR MOTOR UNIT AND BODY GROUND)


    1. Disconnect the G56 power slide door main switch connector.

    2. Disconnect the K22 back door motor unit connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      G56-6 - K22-17 (MSW) Always Below 1 Ω
      G56-3 - Body ground Always Below 1 Ω
      G56-6 or K22-17 (MSW) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BACK DOOR MOTOR UNIT Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  10. INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH


    1. Remove the power back door sensor assembly RH.

      Click here

    2. Inspect the power back door sensor assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH Click here

    OK

  11. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - BACK DOOR MOTOR UNIT)


    1. Disconnect the U5 power back door sensor assembly RH connector.

    2. Disconnect the K22 back door motor unit connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      U5-1 (OSR) - K22-13 (OSR) Always Below 1 Ω
      U5-2 (OSRE) - K22-14 (OSE) Always Below 1 Ω
      U5-1 (OSR) or K22-13 (OSR) - Body ground Always 10 kΩ or higher
      U5-2 (OSRE) or K22-14 (OSE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BACK DOOR MOTOR UNIT Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  12. INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH


    1. Remove the power back door sensor assembly LH.

      Click here

    2. Inspect the power back door sensor assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH Click here

    OK

  13. CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - BACK DOOR MOTOR UNIT)


    1. Disconnect the U13 power back door sensor assembly LH connector.

    2. Disconnect the K22 back door motor unit connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      U13-1 (OSL) - K22-15 (OSL) Always Below 1 Ω
      U13-2 (OSLE) - K22-14 (OSE) Always Below 1 Ω
      U13-1 (OSL) or K22-15 (OSL) - Body ground Always 10 kΩ or higher
      U13-2 (OSLE) or K22-14 (OSE) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE BACK DOOR MOTOR UNIT Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR