Test E

PINPOINT TEST E: LFC18/DTC B1890 - PAD WARNING LAMP CIRCUIT SHORT TO BATTERY

Test E1-E3:

Test E3-E5:

Normal Operation
When the ignition is in the on position, the PAD indicator prove-out period is initiated by the RCM. The RCM briefly activates the PAD indicator to verify to the occupants proper functional operation of the PAD indicator.

If the restraints control module detects a short to battery on the passenger air bag deactivation (PAD) warning lamp circuit, it will store diagnostic trouble code (DTC) B1890 in memory and flash lamp fault (LFC) 18 (or higher priority code if one exists) on the air bag indicator.

Possible Causes
A PAD indicator circuit short to battery can be caused by:
- damaged wiring, terminals, or connectors.
- a faulted PAD indicator.
- a faulted RCM.