DTC C1430: Brake Pedal Load Sensing Switch OFF Stuck Malfunction; DTC C1431: Brake Pedal Load Sensing Switch ON Stuck Malfunction [08/2015 - ]: Description
The brake pedal load sensing switch turns on when the brake pedal is depressed with a force exceeding a predetermined level.
The skid control ECU uses this circuit to detect if the brake pedal is depressed or not.
| DTC No. |
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, the master cylinder pressure more than 6 MPa (61.2 kgf/cm2
, 870 psi), the vehicle acceleration rate is less than -4 m/s2
for 1 second or more.
- With the stop light switch on, the brake pedal load sensing switch off, and master cylinder pressure more than 6 MPa (61.2 kgf/cm2
, 870 psi), the vehicle speed is 0 km/h (0 mph) for 5 seconds or more.
|
- Brake pedal load sensing switch (Brake pedal support assembly)
- Brake pedal load sensing switch circuit
|
| C1431 |
Either of the following is detected:
- With the stop light switch off, the brake pedal load sensing switch on, the master cylinder pressure less than 0.7 MPa (7.13 kgf/cm2
, 101 psi), the vehicle acceleration rate is more than -0.8 m/s2
for 10 seconds or more. (Only when the engine is running and booster malfunctions are not detected.)
- 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 (19 mph) occurs 5 times in succession.
|
- Brake pedal load sensing switch (Brake pedal support assembly)
- Brake pedal load sensing switch circuit
|