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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 189 (Electronically Controlled Brake System (HEV) - Diagnostic Codes (4 Of 6)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1352: Increasing Pressure Solenoid (FR); DTC C1353: Increasing Pressure Solenoid (FL); DTC C1354: Increasing Pressure Solenoid (RR); DTC C1355: Increasing Pressure Solenoid (RL); DTC C1356: Decreasing Pressure Solenoid (FR); DTC C1357: Decreasing Pressure Solenoid (FL); DTC C1358: Decreasing Pressure Solenoid (RR); DTC C1359: Decreasing Pressure Solenoid (RL) [01/2019 - 09/2022] >> Description

DTC C1352: Increasing Pressure Solenoid (FR); DTC C1353: Increasing Pressure Solenoid (FL); DTC C1354: Increasing Pressure Solenoid (RR); DTC C1355: Increasing Pressure Solenoid (RL); DTC C1356: Decreasing Pressure Solenoid (FR); DTC C1357: Decreasing Pressure Solenoid (FL); DTC C1358: Decreasing Pressure Solenoid (RR); DTC C1359: Decreasing Pressure Solenoid (RL) [01/2019 - 09/2022]: Description

WARNING: This page is about a different variant/trim than selected.

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

DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL Note
C1352 Increasing Pressure Solenoid (FR) 11
1100
1101
1102
1103
1170
  • INF Code: 11
    • A malfunction in the solenoid current monitoring circuit is detected for 0.05 seconds or more.
  • INF Code: 1100
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1101
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1102
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1103
    • A solenoid drive circuit malfunction (flyback diode malfunction) is detected for 0.05 seconds or more.
  • INF Code: 1170
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 11: SAE Code C12BC (Case 2)
  • INF Code 1100: SAE Code C12BD
  • INF Code 1101: SAE Code C12BE (Case 1)
  • INF Code 1102: SAE Code C12BE (Case 2)
  • INF Code 1103: SAE Code C12BC (Case 1)
  • INF Code 1170: SAE Code C12BE (Case 3)
  • Electronically controlled brake system DTC
C1353 Increasing Pressure Solenoid (FL) 13
1106
1107
1108
1109
1172
  • INF Code: 13
    • A malfunction in the solenoid current monitoring circuit is detected for 0.05 seconds or more.
  • INF Code: 1106
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1107
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1108
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1109
    • A solenoid drive circuit malfunction (flyback diode malfunction) is detected for 0.05 seconds or more.
  • INF Code: 1172
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 13: SAE Code C12A6 (Case 2)
  • INF Code 1106: SAE Code C12A7
  • INF Code 1107: SAE Code C12A8 (Case 1)
  • INF Code 1108: SAE Code C12A8 (Case 2)
  • INF Code 1109: SAE Code C12A6 (Case 1)
  • INF Code 1172: SAE Code C12A8 (Case 3)
  • Electronically controlled brake system DTC
C1354 Increasing Pressure Solenoid (RR) 15
1112
1113
1114
1115
1174
  • INF Code: 15
    • A malfunction in the solenoid current monitoring circuit is detected for 0.05 seconds or more.
  • INF Code: 1112
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1113
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1114
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1115
    • A solenoid drive circuit malfunction (flyback diode malfunction) is detected for 0.05 seconds or more.
  • INF Code: 1174
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 15: SAE Code C12E8 (Case 2)
  • INF Code 1112: SAE Code C12E9
  • INF Code 1113: SAE Code C12EA (Case 1)
  • INF Code 1114: SAE Code C12EA (Case 2)
  • INF Code 1115: SAE Code C12E8 (Case 1)
  • INF Code 1174: SAE Code C12EA (Case 3)
  • Electronically controlled brake system DTC
C1355 Increasing Pressure Solenoid (RL) 17
1118
1119
1120
1121
1176
  • INF Code: 17
    • A malfunction in the solenoid current monitoring circuit is detected for 0.05 seconds or more.
  • INF Code: 1118
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1119
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1120
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1121
    • A solenoid drive circuit malfunction (flyback diode malfunction) is detected for 0.05 seconds or more.
  • INF Code: 1176
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 17: SAE Code C12D2 (Case 2)
  • INF Code 1118: SAE Code C12D3
  • INF Code 1119: SAE Code C12D4 (Case 1)
  • INF Code 1120: SAE Code C12D4 (Case 2)
  • INF Code 1121: SAE Code C12D2 (Case 1)
  • INF Code 1176: SAE Code C12D4 (Case 3)
  • Electronically controlled brake system DTC
C1356 Decreasing Pressure Solenoid (FR) 12
1104
1105
1171
  • INF Code: 12
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1104
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1105
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1171
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 12: SAE Code C12C8
  • INF Code 1104: SAE Code C12C9 (Case 1)
  • INF Code 1105: SAE Code C12C9 (Case 2)
  • INF Code 1171: SAE Code C12C9 (Case 3)
  • Electronically controlled brake system DTC
C1357 Decreasing Pressure Solenoid (FL) 14
1110
1111
1173
  • INF Code: 14
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1110
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1111
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1173
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 14: SAE Code C12B2
  • INF Code 1110: SAE Code C12B3 (Case 1)
  • INF Code 1111: SAE Code C12B3 (Case 2)
  • INF Code 1173: SAE Code C12B3 (Case 3)
  • Electronically controlled brake system DTC
C1358 Decreasing Pressure Solenoid (RR) 16
1116
1117
1175
  • INF Code: 16
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1116
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1117
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1175
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 16: SAE Code C12F4
  • INF Code 1116: SAE Code C12F5 (Case 1)
  • INF Code 1117: SAE Code C12F5 (Case 2)
  • INF Code 1175: SAE Code C12F5 (Case 3)
  • Electronically controlled brake system DTC
C1359 Decreasing Pressure Solenoid (RL) 18
1122
1123
1177
  • INF Code: 18
    • An open is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1122
    • Overcurrent is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1123
    • Current leakage is detected in the solenoid for 0.05 seconds or more.
  • INF Code: 1177
    • The ECU solenoid output differs from the drain monitoring output (drain monitoring is on when the ECU solenoid is not operating) for 0.05 seconds or more.
  • Wire harness or connector
  • Brake actuator assembly
  • Skid control ECU (brake booster with master cylinder assembly)
Comes on
  • INF Code 18: SAE Code C12DE
  • INF Code 1122: SAE Code C12DF (Case 1)
  • INF Code 1123: SAE Code C12DF (Case 2)
  • INF Code 1177: SAE Code C12DF (Case 3)
  • Electronically controlled brake system DTC