AUTO LSD Indicator Light Remains ON

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): AUTO LSD Indicator Light Remains ON
- AUTO LSD Indicator Light Remains ON

DESCRIPTION

During normal mode, pressing the VSC OFF switch for a short amount of time changes vehicle to AUTO LSD mode.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
When replacing the brake actuator assembly, perform calibration Vehicle Stability Control System (for Vacuum Brake Booster).

PROCEDURE

1. CHECK CAN COMMUNICATION LINE

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Select CAN Bus Check from the System Selection Menu screen and follow the prompts on the screen to inspect the CAN bus Diagnosis System.

OK:

CAN Bus Check indicates no malfunctions in CAN communication.

NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting
OK -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM (Indicate Auto LSD)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Enter the following menus: Body Electrical / Combination Meter / Active Test.

(f) According to the display on the Techstream, perform the Active Test.

Combination Meter





(g) Check that the AUTO LSD indicator light on the combination meter assembly turns on or off in accordance with the Techstream operation.

OK:

The AUTO LSD indicator light turns on or off in accordance with the Techstream operation.

NG -- GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How To Proceed With Troubleshooting
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (CSW TERMINAL)

(a) Disconnect the S1 skid control ECU connector.

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





Standard Resistance:





Text in Illustration





(c) Reconnect the S1 skid control ECU connector.

NG -- INSPECT VSC OFF SWITCH

OK -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal

4. INSPECT VSC OFF SWITCH

(a) Remove the VSC OFF switch Removal.

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





Standard Resistance:





Text in Illustration





NG -- REPLACE VSC OFF SWITCH Removal

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR