Tacoma Extra Cab 4WD L4-2.7L (3RZ-FE) (1999)
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Brake Signal: Testing and Inspection
Automatic Transmission
CIRCUIT DESCRIPTION
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 ECM. Then the ECM cancels operation of the lock-up clutch while braking is in
progress.
DETECTING CONDITIONS
WIRING DIAGRAM
Step 1
