DTC P0724 Brake Switch "B" Circuit High: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
The purpose of this circuit is to prevent the engine from stalling, while driving in lock-up condition, when brakes are suddenly applied
When the brake pedal is depressed, this switch sends a signal to the ECM Then the ECM cancels the operation of the lock-up clutch while braking is in progress
DTC DETECTION CONDITION CHART
| DTC No | DTC Detection Condition | Trouble Area |
|---|---|---|
| P0724 | The stop light switch remains ON even when the vehicle repeats 5 cycles of STOP (less than 1 86 mph [3 km/h]) and GO (18 65 mph [30 km/h] or more) (2 trip detection logic) |
|