DTC P0703-12: Brake Switch "B" Circuit Short to Battery [10/2014 - ]: Description
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The purpose of this circuit is to prevent the engine from stalling when the brakes are suddenly applied while driving in the lock-up condition.
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 No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P0703-12 | Brake Switch "B" Circuit Short to Battery | The stop light switch remains on even when the vehicle is driven in a STOP (less than 3 km/h (1.86 mph)) and GO (30 km/h (18.65 mph) or more) pattern 5 times. (2-trip detection logic) |
|
Comes on | DTC stored | SAE: P0724 |