ELECTRONICALLY CONTROLLED BRAKE SYSTEM, Diagnostic DTC:C1211/25, C1212/26, C1225/31, C1226/32, C1227/33, C1228/34, C1352/21, C1353/23, C1356/22, C1357/24

DTC Code DTC Name
C1211/25 SLA Linear Solenoid
C1212/26 SLR Linear Solenoid
C1225/31 SA1 Solenoid Circuit
C1226/32 SA2 Solenoid Circuit
C1227/33 SA3 Solenoid Circuit
C1228/34 STR Solenoid Circuit
C1352/21 FR Solenoid
C1353/23 RR Solenoid
C1356/22 FL Solenoid
C1357/24 RL Solenoid

DESCRIPTION

Each solenoid adjusts pressure which affects each wheel cylinder according to signals from the skid control ECU (brake booster with master cylinder assembly) and controls the vehicle.

The master cut solenoid is closed and blocks the regulator pressure from the electronically controlled brake system control pressure when the system is normal. The master cut solenoid is open and sends the master cylinder and regulator hydraulic pressure to the non-assisted brake wheel cylinders during fail-safe operation during a system malfunction.

Tech Tips

If the supply voltage decreases, a drop in current may cause DTCs to be stored.

DTC No. Detection Item INF Code DTC Detection Condition Trouble Area Note
C1211/25 SLA Linear Solenoid

21

22

23

24

  • INF Code: 21


    • Excess current is applied for 0.05 seconds or more.

  • INF Code: 22


    • An open is detected for 0.05 seconds or more while the solenoid is OFF.

  • INF Code: 23


    • An open is detected for 0.05 seconds or more while the solenoid is ON.

  • INF Code: 24


    • A short to +B or voltage leak is detected for 0.05 seconds.

  • INF Code: 21, 22, 24


    • Brake booster with master cylinder assembly

  • INF Code: 23


    • Supply voltage reduced


    • Brake booster with master cylinder assembly

 Electronically controlled brake system DTC
C1212/26 SLR Linear Solenoid

31

32

33

34

  • INF Code: 31


    • Excess current is applied for 0.05 seconds or more.

  • INF Code: 32


    • An open is detected for 0.05 seconds or more while the solenoid is OFF.

  • INF Code: 33


    • An open is detected for 0.05 seconds or more while the solenoid is ON.

  • INF Code: 34


    • A short to +B or voltage leak is detected for 0.05 seconds.

  • INF Code: 31, 32, 34


    • Brake booster with master cylinder assembly

  • INF Code: 33


    • Supply voltage reduced


    • Brake booster with master cylinder assembly

 Electronically controlled brake system DTC
C1225/31 SA1 Solenoid Circuit

41

42

43

44

  • INF Code: 41


    • Excess current is applied for 0.05 seconds or more.

  • INF Code: 42


    • An open is detected for 0.05 seconds or more while the solenoid is OFF.

  • INF Code: 43


    • An open is detected for 0.05 seconds or more while the solenoid is ON.

  • INF Code: 44


    • A short to +B or voltage leak is detected for 0.05 seconds.

  • INF Code: 41, 42, 44


    • Brake booster with master cylinder assembly

  • INF Code: 43


    • Supply voltage reduced


    • Brake booster with master cylinder assembly

 Electronically controlled brake system DTC
C1226/32 SA2 Solenoid Circuit

51

52

53

54

  • INF Code: 51


    • Excess current is applied for 0.05 seconds or more.

  • INF Code: 52


    • An open is detected for 0.05 seconds or more while the solenoid is OFF.

  • INF Code: 53


    • An open is detected for 0.05 seconds or more while the solenoid is ON.

  • INF Code: 54


    • A short to +B or voltage leak is detected for 0.05 seconds.

  • INF Code: 51, 52, 54


    • Brake booster with master cylinder assembly

  • INF Code: 53


    • Supply voltage reduced


    • Brake booster with master cylinder assembly

 Electronically controlled brake system DTC
C1227/33 SA3 Solenoid Circuit

61

62

63

64

  • INF Code: 61


    • Excess current is applied for 0.05 seconds or more.

  • INF Code: 62


    • An open is detected for 0.05 seconds or more while the solenoid is OFF.

  • INF Code: 63


    • An open is detected for 0.05 seconds or more while the solenoid is ON.

  • INF Code: 64


    • A short to +B or voltage leak is detected for 0.05 seconds.

  • INF Code: 61, 62, 64


    • Brake booster with master cylinder assembly

  • INF Code: 63


    • Supply voltage reduced


    • Brake booster with master cylinder assembly

 Electronically controlled brake system DTC
C1228/34 STR Solenoid Circuit

71

72

73

74

  • INF Code: 71


    • Excess current is applied for 0.05 seconds or more.

  • INF Code: 72


    • An open is detected for 0.05 seconds or more while the solenoid is OFF.

  • INF Code: 73


    • An open is detected for 0.05 seconds or more while the solenoid is ON.

  • INF Code: 74


    • A short to +B or voltage leak is detected for 0.05 seconds.

  • INF Code: 71, 72, 74


    • Brake booster with master cylinder assembly

  • INF Code: 73


    • Supply voltage reduced


    • Brake booster with master cylinder assembly

 Electronically controlled brake system DTC
C1352/21 FR Solenoid

11

12

 With the solenoid relay contact on, an open or short in solenoid circuit continues for 0.05 seconds or more. Brake booster with master cylinder assembly Electronically controlled brake system DTC
C1353/23 RR Solenoid

15

16

 With the solenoid relay contact on, an open or short in solenoid circuit continues for 0.05 seconds or more. Brake booster with master cylinder assembly Electronically controlled brake system DTC
C1356/22 FL Solenoid

13

14

 With the solenoid relay contact on, an open or short in solenoid circuit continues for 0.05 seconds or more. Brake booster with master cylinder assembly Electronically controlled brake system DTC
C1357/24 RL Solenoid

17

18

 With the solenoid relay contact on, an open or short in solenoid circuit continues for 0.05 seconds or more. Brake booster with master cylinder assembly Electronically controlled brake system DTC

CAUTION / NOTICE / HINT

Note

When replacing the skid control ECU (brake booster with master cylinder assembly) or brake actuator (brake booster with master cylinder assembly), perform initialization and calibration of the linear solenoid valve.

Click here

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.

      Click here


      Chassis > ABS/VSC/TRC > Clear DTCs

    2. Check if the same DTC is output.

      Click here


      Chassis > ABS/VSC/TRC > Trouble Codes

      Tech Tips

      If a DTC for undervoltage is output, first troubleshoot the power source system.

      Result
      Result Proceed to
      DTCs C1211/25, C1212/26, C1225/31, C1226/32, C1227/33, C1228/34, C1352/21, C1353/23, C1356/22 and C1357/24 are not output. A
      Undervoltage DTC C1241/41 is output. B
      DTCs C1211/25, C1212/26, C1225/31, C1226/32, C1227/33, C1228/34, C1352/21, C1353/23, C1356/22 and/or C1357/24 are output. C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPAIR CIRCUITS INDICATED BY OUTPUT DTCS Click here

    C

    REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY for LHD: Click here
    REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY for RHD: Click here