Check G Sensor (B)

Measure the voltage between G sensor connector terminals.

Connector & terminal 

(B292) No. 2 (+) - No. 3 (- ): 

Is the voltage 3.9+/-0.2 V when G sensor is inclined forwards to 90 °? 

YES. Go to  CHECK G SENSOR (C)  . 

NO. Replace the G sensor.