LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2017 >> 4Runner TRD Pro >> 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) >> ABS Warning Light does not Come ON [08/2015 - 08/2019] >> Procedure

ABS Warning Light does not Come ON [08/2015 - 08/2019]: Procedure

  1. CHECK CAN COMMUNICATION LINE 

    See step  1

    Result: 

    B 

    CHECK CAN COMMUNICATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] )

    Result: 

    A 

    See step  2

  2. PERFORM ACTIVE TEST USING TECHSTREAM (ABS WARNING LIGHT) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch off.
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
    5. According to the display on the Techstream, perform the Active Test.
      ABS/VSC/TRAC

      Tester Display Test Part Control Range Diagnostic Note
      ABS Warning Light ABS warning light Warning light OFF/ON Observe combination meter assembly
      Vehicle condition: Vehicle stopped
    6. When performing the ABS Warning Light Active Test, check ABS Warning Light in the Data List.
      ABS/VSC/TRAC

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      ABS Warning Light ABS warning light / ON or OFF ON: Warning light on
      OFF: Warning light off
      -

      Result

      Result Proceed to
      ABS warning light in the Data List turns ON/OFF using the Active Test A
      ABS warning light in the Data List does not change using the Active Test B

    Result: 

    B 

    REPLACE BRAKE ACTUATOR ASSEMBLY 

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

    Result: 

    A 

    See step  3

  3. INSPECT COMBINATION METER ASSEMBLY 
    1. Turn the ignition switch off.
    2. Perform Active Test of the combination meter assembly using the Techstream (Refer to DATA LIST / ACTIVE TEST [08/2015 - 08/2019] ).
    3. Check the combination meter assembly.

      OK

      The ABS warning light turns on or off in accordance with the Techstream.

    Result: 

    OK 

    REPLACE BRAKE ACTUATOR ASSEMBLY 

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

    Result: 

    NG 

    INSPECT METER / GAUGE SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] )