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:

Quarter windows
The quarter windows can be opened to bring in fresh outside air for additional ventilation. Opening and closing procedures Manual type Pull the handle and swing the window fully out to open. Power type Opening Closing Both the left and right quarter windows move. T ...

Back door courtesy switch
INSPECTION 1. BACK DOOR LOCK ASSEMBLY (WITH OUT POWER BACK DOOR)  Inspect back door courtesy light switch operation.  Check that there is resistance between the terminal 5 and the terminal 6 when the back door is open and closed. Resistance: Back door is open: 10 k& ...

Short to B+ in Front Passenger Side Squib 2nd Step Circuit
DTC B1188/56 Short to B+ in Front Passenger Side Squib 2nd Step Circuit DESCRIPTION The front passenger side squib 2nd step circuit consists of the center airbag sensor assembly and the front passenger airbag assembly. The circuit instructs the SRS to deploy when deployment conditions are m ...

В© 2011-2022 Copyright www.tsienna.net