Toyota RAV4 manuals

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

WIRING DIAGRAM

See page BC-47.

INSPECTION PROCEDURE

1 INSPECT 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-7).

REPLACE BRAKE ACTUATOR ASSEMBLY

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

CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND COMBINATION METER ASSEMBLY)

(a) Turn the ignition switch off.

(b) Disconnect the combination meter connector.

(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-7).

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 ...

Brake Warning Light Remains ON
DESCRIPTION If the ECU detects a trouble, it turns on the brake warning light at the same time of prohibiting ABS control. At this time, the ECU records a DTC in memory. Connect terminals TC ...

Other materials:

Room temperature sensor
On-vehicle inspection 1. INSPECT A/C ROOM TEMPERATURE SENSOR (a) Remove the A/C room temperature sensor. (b) Measure the resistance according to the value(s) in the table below. Standard resistance NOTICE: Even slightly touching the sensor may change the resistance value. Be sure ...

On-vehicle inspection
1. INSPECT BRAKE BOOSTER (a) Air tightness check. (1) Start the engine and stop it after 1 or 2 minutes. Depress the brake pedal several times slowly. HINT: If the pedal goes down farthest at the 1st time, and gradually rises at the 2nd or 3rd time, the booster is airtight. (2) Depre ...

Inspection
1. INSPECT MULTIPLE DISC CLUTCH HUB (a) Using a dial indicator, measure the inside diameter of the forward clutch hub bushing Standard inside diameter: 23.025 to 23.046 mm (0.9065 to 0.9073 in.) Maximum inside diameter: 23.09 mm (0.9091 in.) NOTICE: Check the contact surface of ...

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