DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Power Back Door System - Diagnostic Codes & Symptom Tests >> Power Back Door System >> Power Back Door cannot be Operated Using Kick Sensor [12/2019 - 11/2023] >> Procedure

Power Back Door cannot be Operated Using Kick Sensor [12/2019 - 11/2023]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs.

      Body Electrical > Back Door > Trouble Codes 

      OK

      DTC is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 11/2023] 

    Result: 

    OK 

    See step  2

  2. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      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 display, Normal is displayed.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE KICK DOOR CONTROL SENSOR. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    OK 

    See step  3

  3. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      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

      The display is as specified in the normal condition column.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  5

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (KICK DOOR CONTROL SENSOR - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 
    1. Disconnect the V7*1 or V8*2 kick door control sensor connector.
      1. *1: w/o Towing Hitch
      2. *2: w/ Towing Hitch
    2. Disconnect the 4B instrument panel junction block assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      W/O TOWING HITCH

      Tester Connection Condition Specified Condition
      V7-6 (LIN) - 4B-17 Always Below 1 Ω
      V7-6 (LIN) or 4B-17 - Body ground Always 10 kΩ or higher
      W/ TOWING HITCH

      Tester Connection Condition Specified Condition
      V8-6 (LIN) - 4B-17 Always Below 1 Ω
      V8-6 (LIN) or 4B-17 - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE KICK DOOR CONTROL SENSOR. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  5. CHECK HARNESS AND CONNECTOR (KICK DOOR CONTROL SENSOR - AUXILIARY BATTERY AND BODY GROUND) 
    1. Disconnect the V7*1 or V8*2 kick door control sensor connector.
      GTY916478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/o Towing Hitch
      *B w/ Towing Hitch
      *a Front view of wire harness connector
      (to Kick Door Control Sensor)
      1. *1: w/o Towing Hitch
      2. *2: w/ Towing Hitch
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      W/O TOWING HITCH

      Tester Connection Condition Specified Condition
      V7-7 (GND) - Body ground Always Below 1 Ω
      W/ TOWING HITCH

      Tester Connection Condition Specified Condition
      V8-7 (GND) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      W/O TOWING HITCH

      Tester Connection Condition Specified Condition
      V7-2 (B) - Body ground Ignition switch off*1
      Always*2      		 11 to 14 V
      W/ TOWING HITCH

      Tester Connection Condition Specified Condition
      V8-2 (B) - Body ground Ignition switch off*1
      Always*2      		 11 to 14 V
      1. *1: for HV Model
      2. *2: for Gasoline Model

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (KICK DOOR CONTROL SENSOR - MULTIPLEX NETWORK DOOR ECU) 
    1. Disconnect the W18 multiplex network door ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      W/O TOWING HITCH

      Tester Connection Condition Specified Condition
      V7-3 (KSOT) - W18-14 (KSIN) Always Below 1 Ω
      V7-3 (KSOT) or W18-14 (KSIN) - Body ground Always 10 kΩ or higher
      W/ TOWING HITCH

      Tester Connection Condition Specified Condition
      V8-3 (KSOT) - W18-14 (KSIN) Always Below 1 Ω
      V8-3 (KSOT) or W18-14 (KSIN) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  7

  7. CHECK MULTIPLEX NETWORK DOOR ECU 
    1. Remove the multiplex network door ECU with the connector(s) still connected.

      Refer to REMOVAL [12/2019 - 11/2023]

    2. Check the signal waveform according to the condition(s) in the table below.
      GTY908589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Multiplex Network Door ECU)
      *b Waveform
      MEASUREMENT CONDITION

      Item Condition
      Tester Connection W18-14 (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

    Result: 

    OK 

    REPLACE KICK DOOR CONTROL SENSOR. Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023] 

    Result: 

    NG 

    REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [12/2019 - 11/2023] 

Diesel-Data.com