| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001HBJB |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - 09/2022] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): C05401C,...,C054049; Brake Pressure Sensor "A" Circuit Voltage Out of Range; 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022] | ||
|
DTC |
C05401C |
Brake Pressure Sensor "A" Circuit Voltage Out of Range |
|
DTC |
C054028 |
Brake Pressure Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure |
|
DTC |
C054049 |
Brake Pressure Sensor "A" Internal Electronic Failure |
DESCRIPTION
The master cylinder pressure sensor is connected to the skid control ECU in the brake actuator assembly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C05401C |
Brake Pressure Sensor "A" Circuit Voltage Out of Range |
The voltage of the master cylinder pressure sensor signal is less than 0.129 V or more than 3.29 V for 0.1 seconds or more. |
Skid control ECU (brake actuator assembly) |
|
C054028 |
Brake Pressure Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure |
When the stop light switch assembly is off, the zero point of the master cylinder pressure sensor is less than -1.5 MPa (-15.3 kgf/cm2, -218 psi) or more than 1.5 MPa (15.3 kgf/cm2, 218 psi). |
Skid control ECU (brake actuator assembly) |
|
C054049 |
Brake Pressure Sensor "A" Internal Electronic Failure |
An internal malfunction of the master cylinder pressure sensor is detected during the self test. |
Skid control ECU (brake actuator assembly) |
DTC Detection Conditions: C05401C
|
Vehicle Condition |
|||
|---|---|---|---|
|
Pattern 1 |
Pattern 2 |
||
|
Diagnosis Condition |
- |
- |
- |
|
Malfunction Status |
The voltage of the master cylinder pressure sensor signal is less than 0.129 V. |
○ |
- |
|
The voltage of the master cylinder pressure sensor signal is more than 3.29 V. |
- |
○ |
|
|
Detection Time |
0.1 seconds or more. |
0.1 seconds or more. |
|
|
Number of Trips |
1 trip |
1 trip |
|
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
DTC Detection Conditions: C054028
|
Vehicle Condition |
|||
|---|---|---|---|
|
Pattern 1 |
Pattern 2 |
||
|
Diagnosis Condition |
The stop light switch assembly is off. |
○ |
○ |
|
Malfunction Status |
The zero point of the master cylinder pressure sensor is less than -1.5 MPa (-15.3 kgf/cm2, -218 psi). |
○ |
- |
|
The zero point of the master cylinder pressure sensor is more than 1.5 MPa (15.3 kgf/cm2, 218 psi). |
- |
○ |
|
|
Detection Time |
- |
- |
|
|
Number of Trips |
1 trip |
1 trip |
|
HINT:
DTC will be output when conditions for either of the patterns in the table above are met.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the skid control ECU (brake actuator assembly), perform acceleration sensor zero point calibration and store system information memorization.
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![2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 03/2019]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): UTILITY](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
(a) Replace the skid control ECU (brake actuator assembly).
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| NEXT |
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END |
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