DTC C1246/46 Master Cylinder Pressure Sensor Malfunction: Description
The master cylinder pressure sensor is connected to the skid control ECU in the master cylinder solenoid.
DTC DETECTION CONDITION TABLE
| DTC Code |
DTC Detection Condition |
Trouble Area |
| C1246/46 |
When any of the following conditions is detected:
- Both of the following conditions continue for at least 30 seconds.
- Vehicle speed is more than 4 mph (7 km/h).
- PMC terminal voltage does not change by more than 0.005 V once it exceeds 0.86 V.
- PMC terminal receives interference at least 7 times within 5 seconds.
- Both of the following conditions continue for at least 1.2 seconds.
- Stop light switch is OFF.
- PMC terminal voltage is more than 0.86 V or less than 0.3 V.
- Both of the following conditions continue for at least 1.2 seconds.
- IG1 terminal voltage is between 9.5 and 17 V.
- VCM terminal voltage is not between 4.4 and 5.6 V.
- Both of the following conditions continue for at least 1.2 seconds.
- VCM terminal voltage is between 4.4 and 5.6 V.
- PMC terminal voltage is not between 0.14 and 4.85 V.
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- Master cylinder pressure sensor
- Master cylinder pressure sensor circuit
- Master cylinder solenoid
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