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Home >> Toyota >> 2009 >> Corolla XLE, 1.8 L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - U250E) >> Automatic Transaxle System >> DTC P0724 Brake Switch "B" Circuit High >> Description

DTC P0724 Brake Switch "B" Circuit High: Description

WARNING: This page is about a different variant/trim than selected.

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 signals to the ECM. Then the ECM cancels the operation of the lock-up clutch while braking is in progress.

DTC DETECTING CONDITION REFERENCE

DTC No. DTC Detecting Condition Trouble Area
P0724 The stop light switch remains ON even when the vehicle is driven in a STOP (less than 3 km/h (2 mph) and GO (30 km/h (19 mph) or more) fashion 5 times. (2-trip detection logic).
  • Short in stop light switch circuit
  • Stop light switch
  • ECM