Toyota Sienna Service Manual: Open in Pump Motor Circuit

Toyota Sienna Service Manual / Brake control / Vehicle stability control system / Diagnostic trouble code chart / Open in Pump Motor Circuit

DTC C1251/51 Open in Pump Motor Circuit

DESCRIPTION

Open in Pump Motor Circuit

WIRING DIAGRAM

Open in Pump Motor Circuit

INSPECTION PROCEDURE

1 PERFORM ACTIVE TEST USING INTELLIGENT TESTER (ABS MOTOR RELAY)

(a) Connect the intelligent tester to the DLC3.

(b) Start the engine.

ABS / VSC:

(d) Check the operation sound of the ABS motor individually when operating it with the intelligent tester.

OK: The operation sound of the ABS motor should be heard.

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

REPLACE BRAKE ACTUATOR ASSEMBLY

2 INSPECT SKID CONTROL ECU (GND2 TERMINAL)

INSPECT SKID CONTROL ECU (GND2 TERMINAL)

(a) Disconnect the skid control ECU connector.

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

Standard resistance

NOTICE: When replacing the brake actuator assembly, perform zero point calibration (See page BC-70).

REPLACE BRAKE ACTUATOR ASSEMBLY

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