DTC C1426: Stop Light Switch OFF Stuck Malfunction [11/2016 - ]: Description
The skid control ECU (brake actuator assembly) receives stop light switch signals and uses them to determine whether or not the brakes are applied.
The skid control ECU (brake actuator assembly) has a detection circuit that it uses to detect an open in the stop light input line.
If the skid control ECU (brake actuator assembly) detects an open in this circuit, it will store this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1426 | Stop Light Switch OFF Stuck Malfunction | When the brake pedal load sensing switch is on, the master cylinder pressure is 2 Mpa (20.4 kgf/cm2 , 290 psi) or more and the deceleration calculated from the vehicle speed is 0.2 G or more, the stop light switch assembly is off for 2 seconds or more. |
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