Diesel Data: Automotive Repair

ABS (Antilock Brake System)








ANTI-LOCK BRAKE SYSTEM: C0226/21: SFR Solenoid Circuit

DTC C0226/21 - SFR Solenoid Circuit

DTC C0236/22 - SFL Solenoid Circuit

DTC C0246/23 - SRR Solenoid Circuit

DTC C0256/24 - SRL Solenoid Circuit

DESCRIPTION

This solenoid goes on when receiving signals from the ECU and controls the pressure acting on the wheel cylinders to control the braking force.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. RECONFIRM DTC

HINT: This code is detected when a problem is determined in the brake actuator assembly.

The solenoid circuit is in the brake actuator assembly.

Therefore, solenoid circuit inspection and solenoid unit inspection cannot be performed. Be sure to check if the DTC code is output before replacing the brake actuator assembly.

(a) Clear the DTCs (ABS (Antilock Brake System)).
(b) Turn the ignition switch to the ON position.
(c) Are the same DTCs recorded?
Result:





B -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
A -- REPLACE BRAKE ACTUATOR ASSEMBLY