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:

Open in Curtain Shield Squib LH Circuit
DTC B1166/88 Open in Curtain Shield Squib LH Circuit DESCRIPTION The curtain shield squib LH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly LH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1166/88 is recorde ...

Installation
1. INSTALL THROTTLE BODY (a) Install a new throttle body gasket to the intake air surge tank. (b) Install the throttle body with the 4 bolts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) (c) Connect the 2 water by-pass hoses. (d) Connect the throttle body connector and clamp. 2. INSTA ...

Light Sensor Circuit Malfunction
DTC B1244 Light Sensor Circuit Malfunction DESCRIPTION This DTC is output when failure in the light sensor circuit is detected. DTC No. DTC Detection Condition Trouble Area B1244 Malfunction of automatic light control sensor Open or short of a ...

В© 2011-2019 Copyright www.tsienna.net