DTC C1430: Brake Pedal Load Sensing Switch OFF Stuck Malfunction; DTC C1431: Brake Pedal Load Sensing Switch ON Stuck Malfunction: Description
The brake pedal load sensing switch is turned on when the brake pedal is depressed with force exceeding a predetermined level.
The skid control ECU detects if the brake pedal is depressed or not via this circuit.
| DTC Code |
DTC Detection Condition |
Trouble Area |
| C1430 |
Either of the following is detected:
- With the stop light switch ON, the brake pedal load sensing switch OFF, and the master cylinder pressure 6 MPa or more, the deceleration is 0.4 G or more for 1 second or more.
- With the stop light switch ON, the brake pedal load sensing switch OFF, and the master cylinder pressure 6 MPa or more, the vehicle speed is 0 km/h (0 mph) for 5 seconds or more.
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- Brake pedal load sensing switch
- Brake pedal load sensing switch circuit
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| C1431 |
Either of the following is detected:
- Immediately after the engine switch is turned on (IG), the brake pedal load sensing switch is ON and the stop light switch is OFF for 10 seconds or more.
- The condition that the brake pedal load sensing switch remains ON while the vehicle speed increases from 0 km/h (0 mph) to 30 km/h (18 mph) occurs 5 times in succession.
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- Brake pedal load sensing switch
- Brake pedal load sensing switch circuit
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