Test K: LFC 53/B1892 - Air Bag Tone Warning Indicator Circuit Shorted to Ground or Open

PINPOINT TEST K: LFC 53/B1892 - AIR BAG TONE WARNING INDICATOR CIRCUIT SHORTED TO GROUND OR OPEN

K1-K2:

K2-K4:

K4-K6:

K7:

Normal Operation
During normal operation, the air bag indicator will illuminate continuously for approximately 6 seconds and then go out after the ignition switch is placed in the ON or START position and no air bag faults exist. The air bag indicator will remain illuminated continuously after three cycles of a lamp fault code (LFC) if a fault exists.

The air bag tone indicator is used to signal a chime if the air bag indicator is inoperative and another SRS fault exists. If the RCM detects a short to ground or open on the air bag tone warning indicator circuit, it will store diagnostic trouble code (DTC) B1892 in memory and flash lamp fault code (LFC) 53 (or higher priority code if one exists) on the air bag indicator.

Possible Causes
An air bag tone warning indicator circuit short to ground or open could be caused by:
- faulted wiring, terminals, or connectors.
- a faulted instrument cluster module.
- a faulted RCM.