Toyota RAV4 manuals

Toyota Sienna Service Manual: ABS Warning Light Remains ON

DESCRIPTION

If any of the following is detected, the ABS warning light remains on.

HINT: In some cases, the intelligent tester cannot be used when the skid control ECU is abnormal.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 INSPECT SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED

(a) Check the skid control ECU connector's connecting condition.

OK: The connector should be securely connected.

2 INSPECT BATTERY

(a) Check the battery voltage.

Standard voltage: 11 to 14 V

2 INSPECT BATTERY

(a) Check the battery voltage.

Standard voltage: 11 to 14 V

3 INSPECT SKID CONTROL ECU (IG1 TERMINAL VOLTAGE)

INSPECT SKID CONTROL ECU (IG1 TERMINAL VOLTAGE)

(a) Disconnect the skid control ECU connector.

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

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

Standard voltage

4 INSPECT SKID CONTROL ECU (GND TERMINAL CONTINUITY)

INSPECT SKID CONTROL ECU (GND TERMINAL CONTINUITY)

(a) Turn the ignition switch off.

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

Standard resistance

5 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) Disconnect the combination meter connector.

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

Standard resistance

6 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 before replacing the part (See page BC-7).

REPLACE BRAKE ACTUATOR ASSEMBLY

Open in Pump Motor Circuit
DTC C1251/51 Open in Pump Motor Circuit DESCRIPTION The motor relay (semiconductor relay) is housed in the brake actuator assembly and drives the pump motor based on a signal from the skid contro ...

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 ...

Other materials:

Hood
Release the lock from the inside of the vehicle to open the hood. Pull the hood lock release lever. The hood will pop up slightly. Pull up the auxiliary catch lever and lift the hood. Hold the hood open by inserting the supporting rod into the slot WARNING ...

Inspection
1. INSPECT REAR SPEED SENSOR (a) Remove the seat cushion and seatback. (b) Disconnect the speed sensor connector. (c) Measure the resistance between terminals 1 and 2 of the speed sensor connector OK: Resistance: 1.1 +- 0.2 kΩ at 25 +- 5 °C (d) Measure the resistance between ea ...

Installation
1. INSTALL FRONT SUSPENSION ARM SUBASSEMBLY LOWER NO.1 LH (a) Install the front lower arm bush stopper to the front suspension arm sub-assembly lower No.1 LH. (b) Install the bolt and nut to the rear side of the front suspension arm sub-assembly lower No.1 LH. Torque: 206 N*m (2,100 kgf ...

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