DOOR CLOSER SYSTEM Rear Door Closer LH does not Operate

DESCRIPTION

The rear left side door closer controls the rear multiplex network door ECU LH, and operates the door closer motor based on the switch signals in the rear door lock assembly LH.

WIRING DIAGRAM

B006AXHE19

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. READ VALUE USING GTS


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

      Click here


      Body Electrical > Rear Left Door > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Pawl Switch Pawl switch signal ON or OFF

      ON: Pawl switch is ON

      OFF: Pawl switch is OFF

      		 -
      Closer Position Switch Former position switch ON or OFF

      ON: Former position switch ON

      OFF: Former position switch OFF

      		 -
      Half/Full-latch Switch Half/full latch switch signal ON or OFF

      ON: Half/full latch switch ON

      OFF: Half/full latch switch OFF

      		 -
      Closer Stop Switch Temporarily stop switch signal ON or OFF

      ON: Temporarily stop switch signal ON

      OFF: Temporarily stop switch signal OFF

      		 -
      Outside Handle Switch Handle switch signal ON or OFF

      ON: Handle switch ON

      OFF: Handle switch OFF

      		 -

      Body Electrical > Rear Left Door > Data List
      Tester Display
      Pawl Switch
      Closer Position Switch
      Half/Full-latch Switch
      Closer Stop Switch
      Outside Handle Switch
      OK
      The switches do not switch ON/OFF according to the door open/close operation.
      Result
      Proceed to
      OK
      NG

    NG

    CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR DOOR LOCK ASSEMBLY LH) Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - BATTERY AND BODY GROUND)


    1. Disconnect the K21 rear multiplex network door ECU LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K21-1 (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
      K21-4 (BDR) - Body ground Always 11 to 14 V
      K21-11 (CPUB) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT REAR DOOR LOCK ASSEMBLY LH


    1. Remove the rear door lock assembly LH.

      Click here

    2. Inspect the rear door lock assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR DOOR LOCK ASSEMBLY LH Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR DOOR LOCK ASSEMBLY LH)


    1. Disconnect the K20 rear multiplex network door ECU LH connector.

    2. Disconnect the K28 rear door lock assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K20-1 (A2+) - K28-1 (CLM+) Always Below 1 Ω
      K20-2 (A2-) - K28-5 (CLM-) Always Below 1 Ω
      K20-1 (A2+) or K28-1 (CLM+) - Body ground Always 10 kΩ or higher
      K20-2 (A2-) or K28-5 (CLM-) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR DOOR LOCK ASSEMBLY LH)


    1. Disconnect the K20 rear multiplex network door ECU LH connector.

    2. Disconnect the K28 rear door lock assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K20-9 (CPSE) - K28-8 (CPSE) Always Below 1 Ω
      K20-10 (STOP) - K28-2 (HALF) Always Below 1 Ω
      K20-11 (H/FU) - K28-4 (FULL) Always Below 1 Ω
      K20-12 (POLE) - K28-6 (POLE) Always Below 1 Ω
      K20-13 (INIT) - K28-3 (DLSE) Always Below 1 Ω
      K20-14 (HNDL) - K28-7 (CLP3) Always Below 1 Ω
      K20-9 (CPSE) or K28-8 (CPSE) - Body ground Always 10 kΩ or higher
      K20-10 (STOP) or K28-2 (HALF) - Body ground Always 10 kΩ or higher
      K20-11 (H/FU) or K28-4 (FULL) - Body ground Always 10 kΩ or higher
      K20-12 (POLE) or K28-6 (POLE) - Body ground Always 10 kΩ or higher
      K20-13 (INIT) or K28-3 (DLSE) - Body ground Always 10 kΩ or higher
      K20-14 (HNDL) or K28-7 (CLP3) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK REAR DOOR LOCK ASSEMBLY LH


    1. Temporarily replace the rear door lock assembly LH with a new or known good one.

      Click here

    2. Check the door closer function is normally.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    END (REAR DOOR LOCK ASSEMBLY LH WAS DEFECTIVE)

    NG

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here