Toyota RAV4 manuals

Toyota Sienna Service Manual: TRAC OFF Indicator Light does not Come ON

DESCRIPTION

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

When the traction OFF switch is turned on, the TRAC OFF indicator light will come on (for 2WD model).

WIRING DIAGRAM

Refer to TRAC OFF Indicator Light Remains ON (See page BC-157).

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 TRAC OFF INDICATOR 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 TRAC OFF indicator light are indicated on the combination meter when using the intelligent tester.

OK: The TRAC OFF indicator 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) Perform Active Test of the combination meter (meter CPU) using the intelligent tester (See page ME-19).

OK: The TRAC OFF indicator 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 (See page BC-79).

REPLACE BRAKE ACTUATOR ASSEMBLY

TRAC OFF Indicator Light Remains ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN and multiplex communications. When the traction OFF switch is turned on, the TRAC OFF indicator light will come o ...

Slip Indicator Light Remains ON
DESCRIPTION The skid control ECU is connected to the combination meter via CAN and multiplex communications. The SLIP indicator blinks during VSC and/or TRAC operation. When the system fails, ...

Other materials:

Terminals of ECU
1. RADIO AND NAVIGATION ASSEMBLY *1: with Rear Seat Entertainment System  Reference: waveform 1 HINT:  Terminal: VV+ - VV-  Gauge set: 200 mV/DIV, 10 μs/DIV  Condition: DVD is played on radio and navigation assembly Reference: wave ...

Open in Front Pretensioner Squib LH Circuit
DTC B0136/74 Open in Front Pretensioner Squib LH Circuit DESCRIPTION The front pretensioner squib LH circuit consists of the center airbag sensor assembly and the front seat outer belt assembly LH. This circuit instructs the SRS to deploy when deployment conditions are met. DTC B0136/74 i ...

Disassembly
1. REMOVE FRONT SEAT SIDE TABLE LEG COVER (w/ Table)  Using a screwdriver, disengage the claws and remove the seat side table leg cover. HINT: Tape the screwdriver tip before use. 2. REMOVE FRONT SEAT SIDE TABLE (w/ Table)  Remove the 4 nuts and seat side table.  Rem ...

В© 2011-2023 Copyright www.tsienna.net