Refer to DTC C054016
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from | Note |
|---|---|---|---|---|---|---|
| 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) | Does not come on | Brake/EPB | Output ECU: 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) | Comes on | Brake/EPB | ·
SAE Code: C0541 (Case 1) ·
Output ECU: Skid control ECU (brake actuator assembly) |
| C054029 | Brake Pressure Sensor "A" Signal Invalid | A master cylinder pressure sensor internal malfunction is detected by the self-diagnosis function of the master cylinder pressure sensor circuit. | Skid control ECU (brake actuator assembly) | Comes on | Brake/EPB | ·
SAE Code: C0540 (Case 4) ·
Output ECU: Skid control ECU (brake actuator assembly) |
| C054031 | Brake Pressure Sensor "A" No Signal | Signals from the master cylinder pressure sensor cannot be received and the input value from the signal line is outside of a certain range. | Skid control ECU (brake actuator assembly) | Comes on | Brake/EPB | ·
SAE Code: C0540 (Case 5 and 6) ·
Output ECU: 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) | Does not come on | Brake/EPB | Output ECU: Skid control ECU (brake actuator assembly) |
| C054096 | Brake Pressure Sensor "A" Component Internal Failure | The master cylinder pressure sensor value is outside of a certain range or an internal malfunction is detected. | Skid control ECU (brake actuator assembly) | Comes on | Brake/EPB | ·
SAE Code: C0540 (Case 1 to 3) ·
Output ECU: Skid control ECU (brake actuator assembly) |
When performing the normal judgment procedure, make sure that the driver door is closed and is not opened at any time during the procedure.
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.
Wait for 5 seconds or more. [*]
[*]: 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.
*: Electric Parking Brake System
Check the DTC judgment result.
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.
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