DTC C1430: Brake Pedal Load Sensing Switch OFF Stuck Malfunction; DTC C1431: Brake Pedal Load Sensing Switch ON Stuck Malfunction [08/2015 - 08/2019]: Description
The brake pedal load sensing switch operates 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 No. |
DTC Detection Condition |
Trouble Area |
| C1430 |
Either condition is met:
- With the stop light switch on, the brake pedal load sensing switch off and the master cylinder pressure at 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 at 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 with switch pedal sub-assembly)
- Brake pedal load sensing switch circuit
- Skid control ECU (Brake actuator assembly)
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| C1431 |
Either condition is met:
- Immediately after the ignition switch is turned to ON, 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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