Toyota RAV4 manuals

Toyota Sienna Service Manual: Open in ABS Solenoid Relay Circuit

Open in ABS Solenoid Relay Circuit

DESCRIPTION

This relay supplies power to each ABS solenoid.

Immediately after the ignition switch is turned to the ON position, the relay turns on if the solenoid is determined to be normal as a result of self-diagnosis during initial check.

The relay turns off if an open/short is detected.

If the voltage supplied to the motor relay (+BS) is below the DTC detection threshold due to low voltage from the battery/alternator, the DTCs may be stored.

Open in ABS Solenoid Relay Circuit

WIRING DIAGRAM

Refer to DTCs C0226/21, C0236/22, C0246/23 and C0256/24 (See page BC-29).

INSPECTION PROCEDURE

1 INSPECT FUSE (ABS 2 FUSE)

(a) Remove the ABS 2 fuse from the FL block.

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

Standard resistance

2 INSPECT SKID CONTROL ECU (+BS TERMINAL VOLTAGE)

INSPECT SKID CONTROL ECU (+BS TERMINAL VOLTAGE)

(a) Install the ABS 2 fuse.

(b) Disconnect the skid control ECU connector.

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

Standard voltage

3 INSPECT SKID CONTROL ECU (GND TERMINAL CONTINUITY)

 INSPECT SKID CONTROL ECU (GND TERMINAL CONTINUITY)

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

Standard resistance

4 RECONFIRM DTC

(a) Clear the DTCs (See page BC-10).

(b) Start the engine.

(c) Drive the vehicle at the speed of 6 km/h (4 mph) or more.

(d) Check that the same DTCs are recorded (See page BC- 10).

HINT:

Result

HINT:

REPLACE BRAKE ACTUATOR ASSEMBLY

Open in ABS Motor Relay Circuit
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