LIGHTING SYSTEM(except 5L-E) Door Unlock Detection Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of each door unlock detection switch.

WIRING DIAGRAM

B001E31E01

CAUTION / NOTICE / HINT

Note

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE


  1. READ VALUE USING GTS


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

      Click here

      Main Body
      Tester Display Measurement Item / Range Normal Condition Diagnostic Note
      FR Door Lock Pos Front door RH unlock detection switch signal / LOCK or UNLOCK

      LOCK: Front door RH locked

      UNLOCK: Front door RH unlocked

      		 -
      FL Door Lock Pos Front door LH unlock detection switch signal / LOCK or UNLOCK

      LOCK: Front door LH locked

      UNLOCK: Front door LH unlocked

      		 -
      RR-Door Lock Pos SW Rear door unlock detection switch RH signal / OFF or ON

      OFF: Rear door RH locked

      ON: Rear door RH unlocked

      		 for 5 Door
      RL-Door Lock Pos SW Rear door unlock detection switch LH signal / OFF or ON

      OFF: Rear door LH locked

      ON: Rear door LH unlocked

      		 for 5 Door
      Back Door Lock Pos SW Back door unlock detection switch LH signal / OFF or ON

      OFF: Back door locked

      ON: Back door unlocked

      		 -
      OK
      Normal conditions listed above are displayed.
      Result
      Result Proceed to
      OK A
      NG ("FL Door Lock Pos" is abnomality) B
      NG ("FR Door Lock Pos" is abnomality) C
      NG ("RR-Door Lock Pos SW" is abnomality) (for 5 Door) D
      NG ("RL-Door Lock Pos SW" is abnomality) (for 5 Door) E
      NG ("Back Door Lock Pos SW" is abnomality) F

    A

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    C

    INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH Click here

    D

    INSPECT REAR DOOR LOCK ASSEMBLY RH Click here

    E

    INSPECT REAR DOOR LOCK ASSEMBLY LH Click here

    F

    INSPECT BACK DOOR LOCK ASSEMBLY Click here

    B

  2. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH


    1. Remove the front motor with motor lock assembly LH.

      Click here

    2. Inspect the front motor with motor lock assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY LH Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND BODY GROUND)


    1. Disconnect the K6 front motor with motor lock assembly LH connector.

    2. Disconnect the 2N driver side junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K6-8 (LSSR) - 2N-12 Always Below 1 Ω
      K6-5 (E) - Body ground*1 Always Below 1 Ω
      K6-7 (E) - Body ground*2 Always Below 1 Ω
      K6-8 (LSSR) or 2N-12 - Body ground Always 10 kΩ or higher
      *1: w/ Double Door Lock
      *2: w/o Double Door Lock
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY


    1. B001ECSC03
      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

      Remove the driver side junction block assembly.

      Click here

    2. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2N-12 - A-19 (LSFL) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here

  5. INSPECT FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH


    1. Remove the front motor with motor lock assembly RH.

      Click here

    2. Inspect the front motor with motor lock assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT DOOR WITH MOTOR LOCK ASSEMBLY RH Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (FRONT DOOR LOCK ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND BODY GROUND)


    1. Disconnect the J6 front motor with motor lock assembly RH connector.

    2. Disconnect the 2O driver side junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J6-7 (LSSR) - 2O-41 Always Below 1 Ω
      J6-10 (E) - Body ground*1 Always Below 1 Ω
      J6-8 (E) - Body ground*2 Always Below 1 Ω
      J6-7 (LSSR) or 2O-41 - Body ground Always 10 kΩ or higher
      *1: w/ Double Door Lock
      *2: w/o Double Door Lock
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY


    1. B001IJ9C01
      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

      Remove the driver side junction block assembly.

      Click here

    2. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      2O-41 - A-17 (LSFR) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here

  8. INSPECT REAR DOOR LOCK ASSEMBLY RH


    1. Remove the rear door lock assembly RH.

      Click here

    2. Inspect the rear door lock assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR DOOR LOCK ASSEMBLY RH Click here

    OK

  9. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY RH - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)


    1. Disconnect the L5 rear door lock assembly RH connector.

    2. Disconnect the G216 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      w/ Double Door Lock
      Tester Connection Condition Specified Condition
      L5-9 (LSSR) - G216-2 (LSWR) Always Below 1 Ω
      L5-9 (LSSR) or G216-2 (LSWR) - Body ground Always 10 kΩ or higher
      L5-10 (E) - Body ground Always Below 1 Ω
      w/o Double Door Lock
      Tester Connection Condition Specified Condition
      L5-6 (LSSR) - G216-2 (LSWR) Always Below 1 Ω
      L5-6 (LSSR) or G216-2 (LSWR) - Body ground Always 10 kΩ or higher
      L5-9 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  10. 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

  11. CHECK HARNESS AND CONNECTOR (REAR DOOR LOCK ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND BODY GROUND)


    1. Disconnect the M5 rear door lock assembly LH connector.

    2. Disconnect the 2Q*1 or 2O*2 driver side junction block assembly connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD, w/ Double Door Lock
      Tester Connection Condition Specified Condition
      M5-5 (LSSR) - 2Q-26 Always Below 1 Ω
      M5-6 (E) - Body ground Always Below 1 Ω
      M5-5 (LSSR) or 2Q-26 - Body ground Always 10 kΩ or higher
      for LHD, w/o Double Door Lock
      Tester Connection Condition Specified Condition
      M5-6 (LSSR) - 2Q-26 Always Below 1 Ω
      M5-9 (E) - Body ground Always Below 1 Ω
      M5-6 (LSSR) or 2Q-26 - Body ground Always 10 kΩ or higher
      for RHD, w/ Double Door Lock
      Tester Connection Condition Specified Condition
      M5-5 (LSSR) - 2O-38 Always Below 1 Ω
      M5-6 (E) - Body ground Always Below 1 Ω
      M5-5 (LSSR) or 2O-38 - Body ground Always 10 kΩ or higher
      for RHD, w/o Double Door Lock
      Tester Connection Condition Specified Condition
      M5-6 (LSSR) - 2O-38 Always Below 1 Ω
      M5-9 (E) - Body ground Always Below 1 Ω
      M5-6 (LSSR) or 2O-38 - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY


    1. Remove the driver side junction block assembly.

      Click here

      B001ILQC02
      *A for LHD *B for RHD
      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

      		 - -

    2. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      2Q-26 - A-5 (LSWL) Always Below 1 Ω
      for RHD
      Tester Connection Condition Specified Condition
      2O-38 - A-5 (LSWL) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here

  13. INSPECT BACK DOOR LOCK ASSEMBLY


    1. Remove the back door lock assembly.

      Click here

    2. Inspect the back door lock assembly.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE BACK DOOR LOCK ASSEMBLY Click here

    OK

  14. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] AND BODY GROUND)


    1. Disconnect the X2 back door lock assembly connector.

    2. Disconnect the G218 main body ECU (multiplex network body ECU) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      X2-7 (S) - G218-17 (LSWB) Always Below 1 Ω
      X2-7 (S) or G218-17 (LSWB) - Body ground Always 10 kΩ or higher
      X2-8 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR