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:

Diagnostic trouble code chart
If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the chart below (Proceed to the page given for that circuit). MULTIPLEX COMMUNICATION SYSTEM DTC Code Detection Item Trouble Area B1200 MPX Body ECU Stop ...

Inspection
1. INSPECT THERMOSTAT (a) Inspect the thermostat. HINT: The valve opening temperature is inscribed on the thermostat. (b) Immerse the thermostat in water and gradually heat the water. (c) Check the valve opening temperature. Valve opening temperature: 80 to 84°C (176 to 183°F) ...

Data list / active test
1. DATA LIST (a) While the intelligent tester is connected to the DLC3 with the ignition switch in the ON position, the ABS data list can be displayed. Follow the prompts on the tester screen to access the DATA LIST. 2. ACTIVE TEST HINT: Performing the ACTIVE TEST using the intelligent te ...

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