Toyota RAV4 manuals

Toyota Sienna Service Manual: VSC Warning Light does not Come ON

DESCRIPTION

The skid control ECU is connected to the combination meter via CAN and multiplex communications.

If the skid control ECU stores DTCs to shut down TRAC and VSC operation, the VSC warning light comes on in the combination meter.

WIRING DIAGRAM

Refer to VSC Warning Light Remains ON (See page BC-147).

INSPECTION PROCEDURE

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

1 CHECK CAN COMMUNICATION SYSTEM

(a) Check if the CAN communication system DTC is output (See page CA-17).

Result

2 CHECK MULTIPLEX COMMUNICATION SYSTEM

(a) Check if the multiplex communication system DTC is output (See page MP-14).

Result

3 CHECK VSC WARNING LIGHT

(a) Connect the intelligent tester to the DLC3.

(b) Start the engine.

(c) Select the Active Test mode on the intelligent tester (See page BC-85).

ABS / VSC:

(d) Check that "ON" and "OFF" of the VSC warning light are indicated on the combination meter when using the intelligent tester.

OK: The VSC warning light turns on or off in accordance with the intelligent tester.

HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See page BC-79).

REPLACE BRAKE ACTUATOR ASSEMBLY

4 INSPECT COMBINATION METER ASSEMBLY

(a) Turn the ignition switch off.

(b) Check the combination meter (See page ME-4).

OK: The combination meter is normal.

HINT: If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step (See page BC-79).

REPLACE BRAKE ACTUATOR ASSEMBLY

VSC Warning Light Remains ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN and multiplex communications. If the skid control ECU stores DTCs to shut down TRAC and VSC operation, the VSC wa ...

Brake Warning Light Remains ON
DESCRIPTION The BRAKE warning light comes on when the brake fluid is insufficient, the parking brake is applied or the EBD is defective. WIRING DIAGRAM INSPECTION PROCEDURE HINT: When rele ...

Other materials:

Diagnosis system
1. DESCRIPTION  When troubleshooting OBD II (On-Board Diagnostics) vehicles, an intelligent tester (complying with SAE J1987) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle's ECM (Engine Control Module) can be then read. & ...

Typical DOT and Tire Identification Number (TIN)
DOT symbol* Tire Identification Number (TIN) Tire manufacturer’s identification mark Tire size code Manufacturer’s optional tire type code (3 or 4 letters) Manufacturing week Manufacturing year *: The DOT symbol certifies that the tire conforms to applicable Federal Mo ...

Things you should know
If you notice any symptoms If you notice any of the following symptoms, refer to the likely cause and the solution, and re-check. If the symptom is not resolved by the solution, have the vehicle inspected by your Toyota dealer. Likely cause Solution The ima ...

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