| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM10000000214PH |
| Model Year Start: 2022 | Model: RAV4 | Prod Date Range: [12/2021 - ] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): C054016,...,C122D17; Brake Pressure Sensor "A" Circuit Voltage Below Threshold; 2022 - 2025 MY RAV4 RAV4 HV [12/2021 - ] | ||
|
DTC |
C054016 |
Brake Pressure Sensor "A" Circuit Voltage Below Threshold |
|
DTC |
C05401F |
Brake Pressure Sensor "A" Circuit Intermittent |
|
DTC |
C054029 |
Brake Pressure Sensor "A" Signal Invalid |
|
DTC |
C054031 |
Brake Pressure Sensor "A" No Signal |
|
DTC |
C054096 |
Brake Pressure Sensor "A" Component Internal Failure |
|
DTC |
C122D16 |
Brake Pressure Sensor "A" Supply Voltage Circuit Voltage Below Threshold |
|
DTC |
C122D17 |
Brake Pressure Sensor "A" Supply Voltage Circuit Voltage Above Threshold |
DESCRIPTION
HINT:
Brake pressure sensor "A": Master cylinder pressure sensor
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Note |
|---|---|---|---|---|---|
|
C054016 |
Brake Pressure Sensor "A" Circuit Voltage Below Threshold |
Master cylinder pressure value is below -0.744 MPa (-7.6 kgf/cm2, -107 psi) for 5 seconds or more. |
No. 2 skid control ECU (brake actuator assembly) |
Comes on |
|
|
C05401F |
Brake Pressure Sensor "A" Circuit Intermittent |
Fluctuation of the sensor signal exceeds the threshold (15 MPa (153.0 kgf/cm2, 2175 psi) or more from the previous value) for 0.1 seconds or more. |
No. 2 skid control ECU (brake actuator assembly) |
Comes on |
|
|
C054029 |
Brake Pressure Sensor "A" Signal Invalid |
Data from the sensor is invalid for 0.2 seconds or more. |
No. 2 skid control ECU (brake actuator assembly) |
Comes on |
|
|
C054031 |
Brake Pressure Sensor "A" No Signal |
Communication with the sensor is invalid for 0.1 seconds or more. |
No. 2 skid control ECU (brake actuator assembly) |
Comes on |
|
|
C054096 |
Brake Pressure Sensor "A" Component Internal Failure |
A malfunction is detected by self-diagnosis function of the sensor. |
No. 2 skid control ECU (brake actuator assembly) |
Comes on |
|
|
C122D16 |
Brake Pressure Sensor "A" Supply Voltage Circuit Voltage Below Threshold |
The supplied voltage to the sensor is less than a certain value for 1 second or more. |
No. 2 skid control ECU (brake actuator assembly) |
Comes on |
|
|
C122D17 |
Brake Pressure Sensor "A" Supply Voltage Circuit Voltage Above Threshold |
The supplied voltage to the sensor is a certain value or more for 1 second or more. |
No. 2 skid control ECU (brake actuator assembly) |
Comes on |
|
MONITOR DESCRIPTION
C053D (Case 2):
- When no abnormal pressure value is output and the master cylinder pressure sensor output is less than a certain value, the No. 2 skid control ECU (brake actuator assembly) judges that the master cylinder pressure sensor zero point is abnormal, the MIL is illuminated and a DTC is stored.
C0540 (Case 1):
- When an invalid serial communication signal is detected, the No. 2 skid control ECU (brake actuator assembly) judges that communication is abnormal and illuminates the MIL and stores this DTC.
C0540 (Case 2 and 3):
- When the pressure or temperature of a master cylinder pressure sensor exceeds a certain value, the No. 2 skid control ECU (brake actuator assembly) judges that the internal data is abnormal and illuminates the MIL and stores this DTC.
C0540 (Case 4):
- When the master cylinder pressure sensor data is invalid, the No. 2 skid control ECU (brake actuator assembly) judges that the sensor is invalid, the MIL is illuminated and a DTC is stored.
C056B:
- When the master cylinder pressure sensor is normal, the difference between the previous value and current value exceeds a certain value, the No. 2 skid control ECU (brake actuator assembly) judges that there is sensor noise, the MIL is illuminated and a DTC is stored.
C122E:
- When the supply voltage of the master cylinder pressure sensor is a certain value or less, the No. 2 skid control ECU (brake actuator assembly) judges that the power supply voltage of sensor is excessively low, the MIL is illuminated and a DTC is stored.
C122F:
-
If any of the following conditions are met for a certain amount of time, the No. 2 skid control ECU (brake actuator assembly) judges that the power supply voltage of sensor is excessively high, and illuminates the MIL and stores this DTC.
- The power supply voltage of the master cylinder pressure sensor is more than a certain value.
- The temperature of the master cylinder pressure sensor is more than a certain value.
- The supply current of the master cylinder pressure sensor is more than a certain value.
MONITOR STRATEGY
|
Related DTCs |
C053D (Case 2): Pressure sensor invalid data C0540 (Case 1): Pressure sensor verify communication C0540 (Case 2, 3 and 4): Pressure sensor range check C056B: Pressure sensor intermittent/erratic C122E: Pressure sensor input out of range low C122F: Pressure sensor input out of range high |
|
Required Sensors/Components(Main) |
No. 2 skid control ECU (brake actuator assembly) |
|
Required Sensors/Components(Related) |
No. 2 skid control ECU (brake actuator assembly) |
|
Frequency of Operation |
Continuous |
|
Duration |
0.084 seconds: C0540 (Case 1) 0.096 seconds: C0540 (Case 2 and 3) and C056B 0.198 seconds: C0540 (Case 4) 1 second: C122E and C122F 5 seconds: C053D (Case 2) |
|
MIL Operation |
Immediately |
|
Sequence of Operation |
None |
TYPICAL ENABLING CONDITIONS
C053D (Case 2)
|
Monitor runs whenever the following DTCs are not stored |
C0540 (Case 1): Pressure sensor verify communication C0540 (Case 2 to 4): Pressure sensor range check C056B: Pressure sensor intermittent/erratic C1103 (Case 1): Brake pedal position sensor voltage circuit/open C1103 (Case 2): Brake pedal position sensor invalid data C122E: Pressure sensor input out of range low C122F: Pressure sensor input out of range high P057A: Brake pedal position sensor invalid data P05DB: Brake pedal position sensor invalid data P05DD: Brake pedal position sensor open circuit P05DE: Brake pedal position sensor circuit high P05DF: Brake pedal position sensor intermittent/erratic P05E0: Brake pedal position sensor "A"/"B" correlation |
|
Pressure sensor fail (C0540, C122F, C056B) |
Not detected |
C0540 (Case 1)
|
Monitor runs whenever the following DTCs are not stored |
C122E: Pressure sensor input out of range low C122F: Pressure sensor input out of range high |
|
Both of the following conditions are met |
- |
|
Master cylinder pressure sensor power supply effective invalidity |
Valid |
|
Master cylinder pressure sensor power supply voltage |
Higher than 6.5 V, and less than 7.5 V |
C0540 (Case 2 and 3)
|
Monitor runs whenever the following DTCs are not stored |
C0540 (Case 1): Pressure sensor verify communication C122E: Pressure sensor input out of range low C122F: Pressure sensor input out of range high |
|
All of the following conditions are met |
- |
|
Master cylinder pressure sensor communication |
Valid |
|
Master cylinder pressure sensor power supply effective invalidity |
Valid |
|
Master cylinder pressure sensor power supply voltage |
Higher than 6.5 V |
C0540 (Case 4)
|
Monitor runs whenever the following DTCs are not stored |
C0540 (Case 1): Pressure sensor verify communication C0540 (Case 2 and 3): Pressure sensor range check C056B: Pressure sensor intermittent/erratic C122E: Pressure sensor input out of range low C122F: Pressure sensor input out of range high |
|
All of the following conditions are met |
- |
|
+BS voltage |
Less than 8.5 V |
|
Master cylinder pressure sensor temperature |
Less than 175°C (347°F) |
|
Master cylinder pressure sensor current |
Less than 0.05 A |
|
Master cylinder pressure sensor power supply voltage |
Higher than 6.5 V, and less than 7.5 V |
C056B
|
Monitor runs whenever the following DTCs are not stored |
C0540 (Case 1): Pressure sensor verify communication C122E: Pressure sensor input out of range low C122F: Pressure sensor input out of range high |
|
All of the following conditions are met |
- |
|
Master cylinder pressure sensor power supply effective invalidity |
Valid |
|
Master cylinder pressure sensor power supply voltage |
Higher than 6.5 V, and less than 7.5 V |
|
Master cylinder pressure sensor communication |
Valid |
C122E
|
Monitor runs whenever the following DTCs are not stored |
C137C: Brake system voltage input out of range low |
|
All of the following conditions are met |
- |
|
Master cylinder pressure sensor temperature |
Less than 175°C (347°F) |
|
Master cylinder pressure sensor current |
Less than 50 mA |
|
+BS voltage |
8.5 V or more |
C122F
|
Monitor runs whenever the following DTCs are not stored |
None |
|
Both of the following conditions are met |
- |
|
Master cylinder pressure sensor power output |
On |
|
Pressure power sensor power fail _ECU management |
Off |
TYPICAL MALFUNCTION THRESHOLDS
C053D (Case 2)
|
Master cylinder pressure sensor |
Less than -0.744 MPa (-7.6 kgf/cm2, -107 psi) |
C0540 (Case 1)
|
Master cylinder pressure sensor communication |
Invalid |
C0540 (Case 2)
|
Master cylinder pressure sensor level |
Higher than 23.328 MPa (237.9 kgf/cm2, 3383 psi) |
C0540 (Case 3)
|
Master cylinder pressure sensor temperature level |
Higher than 150°C (302°F) |
C0540 (Case 4)
|
Brake booster pressure sensor data |
Invalid |
C056B
|
Difference current master cylinder pressure and last master cylinder pressure |
Higher than 15 MPa (153.0 kgf/cm2, 2175 psi) |
C122E
|
Master cylinder pressure sensor power supply voltage |
6.5 V or less |
C122F
|
Either of the following conditions is met |
- |
|
Master cylinder pressure sensor power supply voltage |
Higher than 7.5 V |
|
Master cylinder pressure sensor temperature |
Higher than 175°C (347°F) |
|
Master cylinder pressure sensor current |
Higher than 50 mA |
COMPONENT OPERATING RANGE
C053D (Case 2)
|
Both of the following conditions are met |
- |
|
Pressure sensor fail (C0540, C122F, C056B) |
Not detected |
|
Master cylinder pressure sensor |
-0.744 MPa (-7.6 kgf/cm2, -107 psi) or more |
C0540 (Case 1)
|
Master cylinder pressure sensor communication |
Valid |
C0540 (Case 2 and 3)
|
All of the following conditions are met |
- |
|
Master cylinder pressure sensor communication |
Valid |
|
Master cylinder pressure sensor level |
23.328 MPa (237.9 kgf/cm2, 3383 psi) or less |
|
Master cylinder pressure sensor temperature level |
150°C (302°F) or less |
C0540 (Case 4)
|
All of the following conditions are met |
- |
|
+BS voltage |
Less than 8.5 V |
|
Master cylinder pressure sensor temperature |
Less than 175°C (347°F) |
|
Master cylinder pressure sensor current |
Less than 0.05 A |
|
Master cylinder pressure sensor power supply voltage |
Higher than 6.5 V, and less than 7.5 V |
|
Brake booster pressure sensor data |
Valid |
C056B
|
All of the following conditions are met |
- |
|
Master cylinder pressure sensor power supply effective invalidity |
Valid |
|
Master cylinder pressure sensor power supply voltage |
Higher than 6.5 V, and less than 7.5 V |
|
Master cylinder pressure sensor communication |
Valid |
|
Difference current master cylinder pressure and last master cylinder pressure |
15 MPa (153.0 kgf/cm2, 2175 psi) or less |
C122E and C122F
|
Both of the following conditions are met |
- |
|
Master cylinder pressure sensor power supply effective invalidity |
Valid |
|
Master cylinder pressure sensor power supply voltage |
Higher than 6.5 V, and less than 7.5 V |
CONFIRMATION DRIVING PATTERN
NOTICE:
When performing the normal judgment procedure, make sure that the driver door is closed and is not opened at any time during the procedure.
HINT:
- After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
- When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
- Connect the GTS to the DLC3.
- Turn the ignition switch to ON and turn the GTS on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off.
- Turn the ignition switch to ON (READY) and turn the GTS on.
- Drive the vehicle at a speed of 20 km/h (12 mph) for 1 minute. [*1]
-
Operate the ABS using a drum tester or equivalent. [*2]
HINT:
[*1] to [*2]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- Enter the following menus: Chassis / Brake/EPB / Utility / All Readiness.
-
Check the DTC judgment result.
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE, perform driving pattern again.
CAUTION / NOTICE / HINT
NOTICE:
After replacing the No. 2 skid control ECU (brake actuator assembly), perform "Calibration" after performing "Reset Memory".
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![2022 - 2025 MY RAV4 RAV4 HV [12/2021 - ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): UTILITY](/t3Portal/stylegraphics/info.gif)
PROCEDURE
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1. |
REPLACE BRAKE ACTUATOR ASSEMBLY |
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| NEXT |
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END |
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