Do you have access to Mitchell1 Prodemand, or eautorepair.net DIY? If you are willing to share user/password (we can pay), please get in contact with us ASAP (truly, it is urgent): email operation-charm [[at]] tuta.io or click to submit anonymously
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 air bag warning indicator will illuminate continuously for approximately 6 seconds and then go out after the ignition switch is placed to the ON or START position and no air bag fault exists. The air bag warning indicator will remain illuminated continuously after 5 cycles of a LFC, if a fault exists.
If the restraints control module (RCM) detects a short to voltage on the air bag warning indicator circuit, it will store DTC B1870 in memory. If any other DTCs are detected with this DTC active, the secondary air bag warning will be activated.
- DTC B1870 Air Bag Warning Indicator Circuit Short to Battery - If the RCM detects a short to voltage 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 (IC) module
- RCM
