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Home >> Scion >> 2004 >> xB Standard >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Abs With EBD & BA & TRAC & VSC System - Diagnosis >> DTC C0226/21, C0236/22, C0246/23, C0256/24, C1225/25: SFR Solenoid Circuit, SFL Solenoid Circuit, SRR Solenoid Circuit, SRL Solenoid Circuit, SMC Solenoid Circuit >> Circuit Description

Circuit Description

This solenoid turns on when signals are received from the ECU and controls the pressure acting on the wheel cylinders to control the braking force.

DTC C0226/21, C0236/22, C0246/23, C0256/24, C1225/25 REFERENCE

DTC No. DTC Detecting Condition Trouble Area
C0226/21 Open or short circuit in front right solenoid circuit (SFRR or SFRH) continues for 0.05 sec. or more.
  • Brake actuator assy
  • Each solenoid circuit
C0236/22 Open or short circuit in front left solenoid circuit (SFLR or SFLH) continues for 0.05 sec. or more.
C0246/23 Open or short circuit in rear right solenoid circuit (SRRR or SRRH) continues for 0.05 sec. or more.
C0256/24 Open or short circuit of rear left solenoid circuit (SRLR or SRLH) continues for 0.05 sec, or more.
C1225/25 Detection of any of conditions 1. to 4.:
  1. When SM1 or SM2 is ON, excessive electric current on SM1 or SM2 continues for 0.05 sec. or more.
  2. When SM1 or SM2 is OFF, open circuit in SM1 or SM2 continues for 0.05 sec. or more.
  3. When SM1 or SM2 is ON and electric current is 0.348 A or more, duty ratio between SM1 and SM2 is 2.08 or more, or below 0.48 for 0.2 sec. or more.
  4. When SM1 or SM2 is OFF, electric current is 0.15 A or more for 0.05 sec. or more.
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