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Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis (Single Page) >> Suspension >> Electronic Suspension >> Suspension Module (Sum) - Specifications, Electrical/Electronic >> Suspension Module (Sum) >> Component Specification >> Acceleration Sensor Body >> Notes

Acceleration Sensor Body: Notes

Fig 1: Acceleration Sensor
GLL106852Courtesy of VOLVO CARS CORPORATION

Type 

Acceleration sensor: Capactive micromechanic sensor. Output signal 0 - 5 V is proportional to acceleration.

Characteristic 

Acceleration sensor: Voltage between terminals #1 and #2 should be approx. 2 V when vehicle is stationary. Voltage fluctuates around this value during accelerating movements.

Other information 

The front acceleration sensor and rear acceleration sensor are not the same. If an acceleration sensor does not have supply voltage, the input signal to the suspension module (SUM) becomes approx. 2.36 V (no diagnostic trouble code for such).