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Distance Control Switch Circuit [08/2018 - 08/2019]: Procedure

  1. READ VALUE ON TECHSTREAM (DISTANCE CONTROL SWITCH) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Radar Cruise 2 / Data List.
    5. Read the Data List according to the display on the Techstream.

      Powertrain > Radar Cruise2 > Data List

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Distance Control Switch Distance control switch signal ON or OFF ON: Distance control switch on
      OFF: Distance control switch off
      -

      OK

      The Data List item shown in the table changes according to the operation of the steering pad switch assembly (distance control switch).

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2018 - ] 

    Result: 

    NG 

    See step  2

  2. INSPECT STEERING PAD SWITCH ASSEMBLY 
    1. Remove the steering pad switch assembly.

      Refer to REMOVAL [08/2017 - 08/2019]

    2. Inspect the steering pad switch assembly.

      Refer to INSPECTION [08/2017 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE STEERING PAD SWITCH ASSEMBLY. Refer to  REMOVAL [08/2017 - 08/2019] 

    Result: 

    OK 

    See step  3

  3. INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY 
    1. Remove the spiral cable with sensor sub-assembly.

      Refer to REMOVAL [08/2015 - 08/2019]

    2. Inspect the spiral cable with sensor sub-assembly.

      Refer to INSPECTION [08/2015 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY. Refer to  REMOVAL [08/2015 - 08/2019] 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - FORWARD RECOGNITION CAMERA, ECM AND BODY GROUND) 
    1. Disconnect the H54 spiral cable with sensor sub-assembly connector.
    2. Disconnect the U22 forward recognition camera connector.
    3. Disconnect the A27 ECM connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H54-11 (DIST) - U22-3 (LKSW) Always Below 1 Ω
      H54-2 (ECC) - A27-59 (ECCS) Always Below 1 Ω
      H54-11 (DIST) or U22-3 (LKSW) - Body ground Always 10 kΩ or higher
      H54-2 (ECC) or A27-59 (ECCS) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND) 
    1. Disconnect the D56 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D56-81 (E1) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. CHECK ECM (ECM TERMINALS) 
    1. Disconnect the A27 and D56 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A27-59 (ECCS) - D56-81 (E1) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [08/2017 - ] 

    Result: 

    NG 

    REPLACE ECM. Refer to  REMOVAL [08/2015 - ]