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Home >> Lexus >> 2017 >> ES 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System (W/ Central Gateway Ecu) (Diagnostic Codes & Symptom Tests) >> Can Communication System (W/ Central Gateway Ecu) >> Skid Control ECU Communication Stop Mode (07/2015 -) >> Procedure

Skid Control ECU Communication Stop Mode (07/2015 -): Procedure

  1. CHECK DTC (BRAKE CONTROL SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

      Result

      Result Proceed to
      OK (DTC C1241 is not output) OK
      NG (DTC C1241 is output) NG

    Result:  NG

    NG 

    GO TO DIAGNOSIS PROCEDURES INDICATED BY OUTPUT DTC 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART (07/2015 -) )

    Result:  OK

    OK 

    See step  2

  2. CHECK FOR OPEN IN CAN BUS LINES (BRAKE ACTUATOR ASSEMBLY BRANCH LINE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the A40 brake actuator assembly connector.
      GTY640612Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A40-22 (CANH) - A40-10 (CANL) Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to Brake Actuator Assembly)

    Result:  OK

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY 

    (Refer to REMOVAL (07/2015 -) )

    Result:  NG

    NG 

    REPAIR OR REPLACE CAN BRANCH LINE OR CONNECTOR (BRAKE ACTUATOR ASSEMBLY)