Toyota RAV4 manuals

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

WIRING DIAGRAM

Refer to ABS Warning Light Remains ON (See page BC-141).

INSPECTION PROCEDURE

1 CHECK ABS WARNING LIGHT

(a) Disconnect the skid control ECU connector.

(b) Turn the ignition switch to the ON position.

(c) Check that the ABS warning light comes on.

OK: ABS warning light comes on.

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

2 CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)

(a) Turn the ignition switch off.

(b) Disconnect the combination meter connector.

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - COMBINATION METER)

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

Standard resistance

3 INSPECT COMBINATION METER ASSEMBLY

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

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).

END

ABS Warning Light Remains ON
DESCRIPTION If any of the following is detected, the ABS warning light remains on. The skid control ECU connectors are disconnected from the skid control ECU. There is a malfunction in the s ...

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 ...

Other materials:

Inspection
1. INSPECT LOCK PLATE FOR DAMAGE (a) Inspect the lock plate for damage. HINT: Reassembly of a deformed tank will be impossible. Therefore, first correct the shape of the lock plate groove with pliers or a similar tool, if necessary. Water leakage will result if the bottom of the lo ...

Driving position memory
Your preferred driving position (the position of the driver’s seat and outside rear view mirrors) can be recalled by pressing a button. Two different driving positions can be recorded into memory. Recording procedure Check that the shift lever is in P. Turn the engine switch to IGNI ...

Terminals of ECU
1. FOLD SEAT CONTROL ECU LH Disconnect the fold seat control ECU connectors. Measure the voltage and resistance of the wire harness side connectors. If the result is not as specified, there may be a malfunction on the wire harness side.  Reconnect the fold seat control E ...

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