VEHICLE STABILITY CONTROL SYSTEM > AUTO LSD Indicator Light does not Come ON

for Preparation Click here


WIRING DIAGRAM

Refer to AUTO LSD Indicator Light Remains ON (Click here).

INSPECTION PROCEDURE

NOTICE:
When replacing the VSC actuator assembly, perform zero point calibration (Click here).
1.INSPECT CAN COMMUNICATION SYSTEM
  1. Check if a CAN communication system DTC is output (Click here).

    Result 
    Result
    Proceed to
    DTC is not output
    A
    DTC is output
    B


B
GO TO CAN COMMUNICATION SYSTEM (Click here)
A


2.INSPECT CONNECTOR CONNECTION CONDITION
  1. Check the skid control ECU connector connection condition.

    OK:
    The connector is securely connected.


NG
CONNECT CONNECTOR CORRECTLY
OK


3.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - BATTERY AND BODY GROUND)


    C240470E13
  1. Disconnect the A17 ECU connector.

  1. Measure the voltage and resistance according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    Switch Condition
    Specified Condition
    A17-8 (IG1) - Body ground
    Ignition switch ON
    11 to 14 V

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    A17-16 (GND1) - Body ground
    Always
    Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.PERFORM ACTIVE TEST USING TECHSTREAM (AUTO LSD INDICATOR LIGHT)
  1. Connect the Techstream to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the Techstream on.

  1. Select the Active Test mode and operate the AUTO LSD indicator light using the Techstream.

    ABS/VSC/TRAC 
    Tester Display
    Test Part
    Control Range
    Diagnostic Note
    Auto LSD Indicator Light
    AUTO LSD indicator light
    ON / OFF
    Observe combination meter
  1. Check that the AUTO LSD indicator light turns on and off in the combination meter when using the Techstream.

    OK:
    The AUTO LSD indicator light turns on and off in accordance with the Techstream operation.


NG
GO TO METER / GAUGE SYSTEM (Click here)
OK


5.INSPECT VSC OFF SWITCH


    C179171E01
  1. Remove the VSC OFF switch (Click here).

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    6 - 9
    Switch is pressed
    Below 1 Ω
    Switch is not pressed
    10 kΩ or higher


NG
REPLACE VSC OFF SWITCH
OK


6.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - VSC OFF SWITCH AND BODY GROUND)


    C240479E02
  1. Disconnect the A17 ECU connector.

  1. Disconnect the J22 switch connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    A17-4 (CSW) - J22-9
    Always
    Below 1 Ω
    A17-4 (CSW) - Body ground
    Always
    10 kΩ or higher
    J22-6 - Body ground
    Always
    Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE VSC ACTUATOR ASSEMBLY (Click here)