Electronically Controlled Brake System Malfunction - Electronically Controlled Brake System

BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: 42: Electronically Controlled Brake System Malfunction

DTC 42 - Electronically Controlled Brake System Malfunction

DTC 45 - Electronically Controlled Brake System Malfunction

DESCRIPTION

These DTCs are stored if the ABS and/or VSC system detects a malfunction in the electronically controlled brake system.






INSPECTION PROCEDURE
NOTE: When replacing the skid control ECU, perform initialization and calibration of the linear solenoid valve. Initialization

PROCEDURE

1. CHECK ELECTRONICALLY CONTROLLED BRAKE SYSTEM
(a) Clear the DTCs.
(b) Turn the power switch on (READY).
(c) Drive the vehicle at a speed of approximately 40 km/h (25 mph) or more for 60 seconds or more.
(d) Check if the same DTC is recorded.
Result:






B -- REPAIR CIRCUIT INDICATED BY OUTPUT DTC
A -- Continue to next step.
2. RECONFIRM DTC
(a) Turn the power switch off.
(b) Clear the DTCs.
(c) Turn the power switch on (READY).
(d) Drive the vehicle at a speed of approximately 40 km/h (25 mph) or more for 60 seconds or more.
(e) Check if the same DTC is recorded.
Result:






B -- REPLACE SKID CONTROL ECU
A -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION)