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Home >> Toyota >> 2020 >> RAV4 XLE, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (3 Of 8) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C1211: SLA Linear Solenoid; DTC C1212: SLR Linear Solenoid; DTC C1225: SA1 Solenoid Circuit; DTC C1226: SA2 Solenoid Circuit; DTC C1227: SA3 Solenoid Circuit; DTC C1228: STR Solenoid Circuit; DTC C1352: FR Solenoid; DTC C1353: RR Solenoid; DTC C1356: FL Solenoid; DTC C1357: RL Solenoid [02/2019 - 12/2021] >> Description

DTC C1211: SLA Linear Solenoid; DTC C1212: SLR Linear Solenoid; DTC C1225: SA1 Solenoid Circuit; DTC C1226: SA2 Solenoid Circuit; DTC C1227: SA3 Solenoid Circuit; DTC C1228: STR Solenoid Circuit; DTC C1352: FR Solenoid; DTC C1353: RR Solenoid; DTC C1356: FL Solenoid; DTC C1357: RL Solenoid [02/2019 - 12/2021]: 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.

HINT: 

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 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
 -
C1212 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
 -
C1225 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
 -
C1226 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
 -
C1227 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
 -
C1228 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
 -
C1352 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 -
C1353 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 -
C1356 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 -
C1357 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 -
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