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Home >> Toyota >> 2021 >> 4Runner Limited, AWD >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Vacuum Brake Booster) - Diagnostic Codes (B1380-U0074) & Symptom Tests >> VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster) >> TS and CG Terminal Circuit [08/2015 - 08/2019] >> Procedure

TS and CG Terminal Circuit [08/2015 - 08/2019]: Procedure

  1. CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSEMBLY - TS of DLC3) 
    1. Turn the ignition switch off.
    2. Disconnect the A53 skid control ECU (brake actuator assembly) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A53-33 (TS) - F13-12 (TS) Always Below 1 Ω
      A53-33 (TS) or F13-12 (TS) - Body ground Always 10 kΩ or higher

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) 

    See step  5

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (TS of DLC3 - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY726728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      F13-12 (TS) - Body ground Always 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Front view of DLC3

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY 

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

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR