Vertical Acceleration Sensor: Testing and Inspection

ACCELERATION SENSOR




The acceleration sensor is attached to the engine room of driver's side. While driving, the rough road condition is sensed by the acceleration sensor and the ECM uses this input signal to avoid the wrong misfire detection.

CIRCUIT DIAGRAM





HARNESS INSPECTION PROCEDURES





TROUBLESHOOTING PROCEDURES




MALFUNCTION SYMPTOM
When abnormal output voltage occurs at stop position of vehicle or acceleration sensor is operated beyond normal operating zone.


USING VOLTMETER