DTC C1246/46 Master Cylinder Pressure Sensor Malfunction: Description
Master cylinder pressure sensor is connected to the skid control ECU in the actuator.
DTC REFERENCE TABLE
| DTC No. |
DTC Detection Condition |
Trouble Area |
| C1246/46 |
- When the vehicle speed is 4 mph(7 km/h) or more and PMC terminal voltage of skid control ECU exceeds 0.86 V, the condition that the voltage does not change by 0.005 V or more continues for 30 sec.
- Noise in terminal PMC of skid control ECU occurs 7 times or more within 5 sec.
- When the stop light switch is off, the condition that PMC terminal voltage of skid control ECU is 0.86 V or more, or less than 0.3 V continues for 5 sec. or more.
- When IG1 terminal voltage is between 9.5 and 17.2 V, the condition that the VCM terminal voltage of skid control ECU is out of the range from 4.4 to 5.6 V continues for 1.2 sec. or more.
- When VCM terminal voltage of skid control ECU is between 4.4 and 5.6 V, the condition that the PMC terminal voltage of skid control ECU is out of the range from 0.14 to 4.85 V continues for 1.2 sec. or more.
|
- Master cylinder pressure sensor
- Master cylinder pressure sensor circuit
|
HINT:
Start the inspection from step 1 when using the intelligent tester and start from step 2 when not using the intelligent tester.