Test D: LFC 18/DTC B1884 - PAD Warning Lamp Circuit Failure
PINPOINT TEST D: LFC 18/DTC B1884 - PAD WARNING LAMP CIRCUIT FAILURENOTE: The passenger air bag deactivation (PAD) indicator is part of the hazard switch assembly and cannot be separately serviced.
Normal Operation
When the ignition is in the ON position, the PAD indicator prove-out period is initiated by the restraints control module (RCM). The RCM briefly activates the PAD indicator to verify to the occupants correct functional operation of the PAD indicator.
If the RCM detects an open or short to ground on the PAD indicator circuit, it will store DTC B1884 in memory and flash LFC 18 (or higher priority code if one exists) on the air bag warning indicator.
- DTC B1884 PAD Warning Lamp Circuit Failure - If the RCM detects an open circuit or short to ground on the PAD indicator circuit, it will set this DTC.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- PAD indicator
- RCM