Acceleration/Deceleration Sensor: Testing and Inspection
INSPECTION1) Check sensor bracket for bend.
2) Connect positive cable of 12 volt battery to "A" terminal of sensor and ground cable to "C" terminal. Then using voltmeter, check voltage between "B" terminal and "C" terminal.
When placed horizontally: 2 - 3 Volts
When placed upright with arrow upward: 3 - 4 Volts
When placed upright with arrow downward: 1 - 2 Volts
If measured voltage is not as specified, replace sensor with bracket.