G Sensor Inspection
WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
Reference: G SENSOR REMOVAL AND INSTALLATION
Connect positive cable of 12 volt battery to (1) terminal of sensor and ground cable to (3) terminal. Then using voltmeter, check voltage between (2) terminal and (3) terminal.
If measured voltage is not as specified, replace sensor with bracket.
G sensor specifications
When placed horizontally [A]: 2 - 3 V
When placed upright with arrow upward [B]: 3 - 4 V
When placed upright with arrow downward [C]: 1 - 2 V