Test Notes

Normal Operation
The diagnostic monitor measures the resistance between Pin 22 (Circuit 622 (T/BK)) and Pin 3 (diagnostic monitor reference ground). If the diagnostic monitor measures a difference of more than 2.0 ohms between Pin 22 and Pin 3, it will flash a code 46.

NOTE: Circuit 622 (T/BK) is attached to the side of the LH crash sensor case. In addition, the case is grounded to the vehicle.

Possible Causes
High resistance on Pin 22 (Circuit 622 (T/BK)) to ground can be caused by:
1. A poor connection due to loose mounting, dirt or corrosion at the LH crash sensor mounting location.
2. An open or damaged Circuit 622 (T/BK) from Pin 22 of the diagnostic monitor harness connector to the LH crash sensor.
3. An open wire or loose Circuit 622 (T/BK) attachment inside LH crash sensor.