Test C: DTC B1870 - Air Bag Warning Indicator Circuit Short To Battery
PINPOINT TEST C: DTC B1870 - AIR BAG WARNING INDICATOR CIRCUIT SHORT TO BATTERYNormal Operation
During normal operation, the restraints control module (RCM) will illuminate the air bag warning indicator 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 warning indicator will remain illuminated continuously after 3 cycles of a LFC, if a fault exists.
If the RCM detects a short to battery on the air bag warning indicator circuit, it will store DTC B1870 in memory and sound the secondary air bag warning.
- DTC B1870 Air Bag Warning Indicator Circuit Short to Battery - If the RCM detects a short to battery on the air bag warning indicator circuit, it will set this DTC.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Instrument cluster module
- RCM
C1-C2:
C2-C4:
