Electronically Controlled Brake System
DTC C1256/57 Accumulator Low PressureDESCRIPTION
DTC Detection Condition:
The accumulator pressure sensor is built into the actuator and detects the accumulator pressure. The skid control ECU turns on the brake control warning light and sounds the skid control buzzer if it senses a decrease in the accumulator pressure.
Wiring Diagram:
Step 1:
Step 1(Continued)-4:
Step 4(Continued):
INSPECTION PROCEDURE
NOTE: When replacing the skid control ECU or brake actuator assembly, perform initialization of linear solenoid valve and calibration. Initialization
HINT: When C1241/41, C1252/52 or C1253/53 is output together with C1256/57, inspect and repair the trouble areas indicated by C1241/41, C1252/52 or C1253/53 first.