C1319

C1319

Description
The stroke simulator solenoid (SCSS) generates pedal reactive effort during Electronically Controlled Brake control. If one or more of the front wheels loses brake booster function, the simulator operation is prohibited.

C1319:

Diagnosis Procedure

CAUTION:
When replacing the brake ECU, perform initialization of linear solenoid valve and calibration.

1.INSPECT STROKE SIMULATOR
1. Disconnect the brake simulator connector E90.
2. Measure the resistance according to the value(s) in the table below.





Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace brake simulator.

2.CHECK HARNESS AND CONNECTOR
1. Disconnect the brake ECU connector.
2. Measure the resistance to the value(s) in the table below.





Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connector.

3.RECONFIRM DTC
1. Turn the ignition switch OFF.
2. Reconnect the brake simulator connector.
3. Clear the DTC.
4. Turn ignition switch ON (READY).
5. Check if the same DTC is recorded.

Result:

A >> Check for intermittent problems (symptom simulation).
B >> Replace brake ECU.

Special Repair Requirement

1.ZERO ADJUSTMENT FOR EACH SENSOR AND OFFSET LEANING FOR LINEAR SOLENOID VALVE
After erasing brake ECU memories, perform zero adjustment of following sensors and initialization of linear solenoid valve.
^ Steering angle sensor: BRC-9, "PERFORM ZERO POINT OF STEERING ANGLE SENSOR: Description". Testing and Inspection
^ Yaw rate/side/decel G sensor: BRC-8, "PERFORM ZERO POINT OF YAW RATE/SIDE/DECEL G SENSOR: Description". Testing and Inspection
^ Brake stroke sensor: BRC-9, "PERFORM ADJUSTMENT OF STROKE SENSOR: Description". Perform Adjustment of Stroke Sensor
^ Linear solenoid valve: BRC-7, "PERFORM INITIALIZATION OF LINEAR SOLENOID VALVE AND CALIBRATION: Description". Perform Initialization of Linear Solenoid Valve and Calibration
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