VSC OFF Indicator Light Remains ON
BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: VSC OFF Indicator Light Remains ON
- VSC OFF Indicator Light Remains ON
DESCRIPTION
Operation of the VSC OFF switch changes the vehicle between normal mode, TRAC OFF mode*1 (AUTO LSD mode*2) and VSC OFF mode. During normal mode, pressing the VSC OFF switch for a short amount of time changes vehicle to TRAC OFF mode*1 (AUTO LSD mode*2). When the vehicle is stopped, pressing the VSC OFF switch for 3 seconds or more changes the vehicle to VSC OFF mode.
* *1: for 4WD
* *2: for 2WD
for 4WD:
* When the transfer is in L4, VSC is prohibited and the VSC OFF indicator and TRAC OFF indicator lights turn on.
* w/ Rear Differential Lock:
When the rear differential is locked, VSC is prohibited and the VSC OFF indicator and TRAC OFF indicator lights turn on. At this time, ABS is also prohibited and the ABS warning light turns on.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
* When replacing the master cylinder solenoid, perform calibration Programming and Relearning.
* As there may be malfunctions in the transfer system related to when the transfer operates in L4, check the transfer system first (for Part-time 4WD: , for Full-time 4WD: ).
PROCEDURE
1. CHECK CAN COMMUNICATION LINE TRAC OFF Indicator Light Remains ON
NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU CSW CIRCUIT) TRAC OFF Indicator Light Remains ON
NG -- INSPECT VSC OFF SWITCH
OK -- Continue to next step.
3. CHECK TERMINAL VOLTAGE (EXI3) TRAC OFF Indicator Light Remains ON
B -- CHECK TERMINAL VOLTAGE (EXI3)
C -- REPAIR OR REPLACE HARNESS OR CONNECTOR
A -- Continue to next step.
4. READ VALUE USING TECHSTREAM (TRAC/VSC OFF MODE) TRAC OFF Indicator Light Remains ON
NG -- REPLACE MASTER CYLINDER SOLENOID Disassembly
OK -- GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How To Proceed With Troubleshooting
5. INSPECT VSC OFF SWITCH TRAC OFF Indicator Light Remains ON
NG -- REPLACE VSC OFF SWITCH Removal
OK -- Continue to next step.
6. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - VSC OFF SWITCH) TRAC OFF Indicator Light Remains ON
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MASTER CYLINDER SOLENOID Disassembly
7. CHECK TERMINAL VOLTAGE (EXI3) TRAC OFF Indicator Light Remains ON
B -- INSPECT REAR DIFFERENTIAL LOCK DETECTION SWITCH (DIFFERENTIAL LOCK INDICATOR SWITCH)
C -- REPAIR OR REPLACE HARNESS OR CONNECTOR
A -- Continue to next step.
8. CHECK TERMINAL VOLTAGE (EXI3) TRAC OFF Indicator Light Remains ON
NG -- REPLACE 4 WHEEL DRIVE CONTROL ECU NO.2
OK -- REPLACE MASTER CYLINDER SOLENOID Disassembly
9. INSPECT REAR DIFFERENTIAL LOCK DETECTION SWITCH (DIFFERENTIAL LOCK INDICATOR SWITCH) TRAC OFF Indicator Light Remains ON
NG -- REPLACE DIFFERENTIAL LOCK INDICATOR SWITCH (REAR DIFFERENTIAL LOCK DETECTION SWITCH)
OK -- Continue to next step.
10. CHECK TERMINAL VOLTAGE (EXI3) TRAC OFF Indicator Light Remains ON
NG -- REPLACE 4 WHEEL DRIVE CONTROL ECU NO.2
OK -- REPLACE MASTER CYLINDER SOLENOID Disassembly