Crankshaft Position Sensor: Description and Operation

LOCATION

Mounted in transmission housing, above distance sensor.

PURPOSE

Powertrain Control Module (PCM) uses input to determine basic timing.

OPERATION

Crankshaft Sensor:

Driveplate:

Sensor reads a series of slots cut in transmission driveplate.

NOTE: The distance between the sensor and torque converter drive plate is critical to system operation. Be sure paper spacer is attached to sensor face when installing sensor. SEE COMPONENT REPLACEMENT AND REPAIR PROCEDURES.