Test C

PINPOINT TEST C: DTC B1870 - LAMP AIR BAG WARNING INDICATOR CIRCUIT SHORT TO VOLTAGE

Test C1-C3:

Test C3-C5:

Normal Operation
If the restraints control module detects a short to voltage during initial KEY-ON on the air bag warning indicator circuit, it will store diagnostic trouble code (DTC) B1870 in memory. If any other DTCs are detected with this DTC active, the secondary air bag warning will be activated.

Possible Causes
An air bag indicator circuit short to battery can be caused by:
- Wiring, terminals, or connectors.
- Instrument cluster is faulted.
- RCM.