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Test E: LFC18/DTC B1890 - PAD Warning Lamp Circuit Short To Battery

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

Normal Operation
When the ignition is in the ON position, the passenger air bag deactivation (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 a short to battery on the PAD warning lamp circuit, it will store DTC B1890 in memory and flash LFC 18 (or higher priority code if one exists) on the air bag warning indicator.

- DTC B1890 PAD Warning Lamp Circuit Short to Battery - If the RCM detects a short to battery 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


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E4-E5: