Test C

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

Test C1:

Test C2:

Test C2-C3:

Test C4:

Test C5:

Normal Operation
If the restraints control module detects an open or short to battery 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:
- damaged wiring, terminals, or connectors.
- RCM is faulted.
- instrument cluster module is faulted.