Test P

PINPOINT TEST P: LFC 36/DTC B1992 - DRIVER SIDE AIR BAG CIRCUIT SHORTED TO BATTERY OR IGNITION

Test P1:

Test P2-P3:

Test P4-P6:

Normal Operation
The restraints control module (RCM) monitors the driver side air bag circuits at RCM C1 pins 2 and 3 for a short to battery or ignition. If battery or ignition voltage is detected, the RCM will store diagnostic trouble code (DTC) B1992 and flash lamp fault code (LFC) 36.

Possible Causes
A driver side air bag circuit short to battery or ignition can be caused by:
- battery or ignition voltage on circuit 1257 (WH/LB).
- battery or ignition voltage on circuit 1258 (BN/LB).
- battery or ignition voltage short in the driver side air bag.
- an RCM internal concern.