POWER BACK DOOR SYSTEM Power Back Door cannot be Operated Using Kick Sensor

DESCRIPTION

The kick door control sensor receives vehicle speed, IG and ACC signals from the main body ECU (multiplex network body ECU) via LIN communication and uses the information to stop sensor oscillation.

When the kick door control sensor detects a kick operation, it sends a operation signal to the multiplex network door ECU.

WIRING DIAGRAM

B0057AYE04

CAUTION / NOTICE / HINT

Note


  • Before troubleshooting, make sure that the "Kick Sensor Function" customize setting is set to "ON".

    Click here

  • Before troubleshooting, be sure to read Precautions for Hands Free Power Back Door.

    Click here

  • If the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors has been disconnected, initialize the power back door system.

    Click here

  • After performing work, using the GTS, read the Data List item "Kick Sensor Connection" and check that the kick door control sensor is connected.

    Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Back Door > Trouble Codes
      Result
      Result Proceed to
      DTC is not output A
      DTC is output B

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    A

  2. 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
      Kick Sensor Error Status of the kick door control sensor error Normal or Error

      Normal: Kick door control sensor is normal

      Error: Kick door control sensor is abnormal

      		 -

      Body Electrical > Back Door > Data List
      Tester Display
      Kick Sensor Error
      OK
      On the GTS, Normal is displayed.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE KICK DOOR CONTROL SENSOR Click here

    OK

  3. 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
      Kick Sensor Detection Status of the kick door control sensor detection OFF or ON

      OFF: Kick door control sensor not detecting a foot

      ON: Kick door control sensor detecting a foot

      		 -

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

    NG

    CHECK HARNESS AND CONNECTOR (KICK DOOR CONTROL SENSOR - BATTERY AND BODY GROUND) Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (KICK DOOR CONTROL SENSOR - DRIVER SIDE JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the W9 kick door control sensor connector.

    2. Disconnect the 4D 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
      W9-2 (LIN) - 4D-41 Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  5. CHECK HARNESS AND CONNECTOR (KICK DOOR CONTROL SENSOR - BATTERY AND BODY GROUND)


    1. B00571VC01
      *a

      Front view of wire harness connector

      (to Kick Door Control Sensor)

      Disconnect the kick door control sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W9-4 (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
      W9-1 (B) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK HARNESS AND CONNECTOR (KICK DOOR CONTROL SENSOR - MULTIPLEX NETWORK DOOR ECU)


    1. Disconnect the W9 kick door control sensor connector.

    2. Disconnect the Y25 multiplex network door ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      W9-3 (KSOT) - Y25-14 (KSIN) Always Below 1 Ω
      W9-3 (KSOT) or Y25-14 (KSIN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK MULTIPLEX NETWORK DOOR ECU


    1. Remove the multiplex network door ECU with the connector(s) still connected.

      Click here

    2. B005863C07
      *a

      Component with harness connected

      (Multiplex Network Door ECU)

      Check the signal waveform according to the condition(s) in the table below.

      Measurement Condition
      Item Condition
      Tester Connection Y25-14 (KSIN) - Body ground
      Tool Setting 2 V/DIV., 50 ms./DIV.
      Vehicle Condition Kick door control sensor not detecting a foot
      OK
      The waveform displayed is as shown in the illustration.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE KICK DOOR CONTROL SENSOR Click here

    NG

    REPLACE MULTIPLEX NETWORK DOOR ECU Click here