Up to 08/2009

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: C1345/66,C1368/67: Linear Solenoid Valve Offset Learning Undone


DESCRIPTION

The skid control ECU stores and corrects the individual differences in the stroke sensor, actuator solenoids, and stroke simulator solenoid. Perform initialization of the linear solenoid valve and calibration if any of these parts is replaced.

The skid control ECU receives shift position P signal from the power management control ECU through the CAN communication system.

The DTCs are cleared when the linear valve offset learning results are normal.





INSPECTION PROCEDURE

NOTICE:
When replacing the brake actuator assembly, perform initialization and calibration of the linear solenoid valve Initialization.

PROCEDURE

1. CHECK DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Turn the power switch off.

(c) Turn the power switch on (IG).

(d) Check that the DTCs (electronically controlled brake system and hybrid control system) are recorded Reading and Clearing Diagnostic Trouble Codes for electronically controlled brake system, or Hybrid Control System for hybrid control system).

Result:





HINT
Before carrying out Perform Initialization and Calibration of the Linear Solenoid Valve, C1203/95 will output.

C -- REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Electronically Controlled Brake System

B -- INSPECT HYBRID CONTROL SYSTEM Hybrid Control System
A -- Continue to next step.

2. PERFORM INITIALIZATION AND CALIBRATION OF LINEAR SOLENOID VALVE

(a) Turn the power switch off.

(b) Perform initialization and calibration of the linear solenoid valve Initialization.

NEXT -- Continue to next step.

3. RECONFIRM DTC

(a) Turn the power switch off.

(b) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(c) Turn the power switch on (IG).

(d) Check if the same DTC is recorded Reading and Clearing Diagnostic Trouble Codes.

Result:





B -- REPLACE BRAKE ACTUATOR ASSEMBLY Removal

A -- END