DTC C1246/46 Master Cylinder Pressure Sensor Malfunction: Description
The master cylinder pressure sensor and pressure control sensor are connected to the skid control ECU in the master cylinder solenoid.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 DTC DETECTION CONDITION AND TROUBLE AREA
| DTC Code |
DTC Detection Condition |
Trouble Area |
| C1246/46 |
When any of the following conditions is detected:
- All of the following conditions continue for at least 30 seconds.
- The vehicle speed is more than 7 km/h (4 mph).
- The PM/C1 or PCTRL terminal voltage exceeds 0.86 V.
- The master cylinder pressure does not change by more than 0 048 MPa (0.5 kgf/cm2
, 7.0 psi).
- The PM/C1 or PCTRL terminal receives interference at least 7 times within 5 seconds.
- Both of the following conditions continue for at least 1.2 seconds.
- The stop light switch is off.
- The PM/C1 or PCTRL terminal voltage is higher than 0.86 V or below 0.3 V.
- Both of the following conditions continue for at least 1.2 seconds.
- The VM/C1 or VCTRL terminal voltage is between 4.4 and 5.6 V.
- The PM/C1 or PCTRL terminal voltage is not between 0.19 and 4 57 V.
|
- Master cylinder pressure sensor
- Pressure control sensor
- Stop light switch
- Harness or connector
- Master cylinder solenoid
|