Test Notes
Normal Operation
The air bag Electronic Crash Sensor (ECS) module monitors the voltage of Circuits 614 (GY/O) and 615 (GY/W) at Pins C1-1 and C1-15. If the ECS detects a short to ground or battery on either of these pins, the ECS will store DTC B1915 in memory and flash LFC 15 (or higher priority code if one exists) on the air bag indicator.
Possible Causes
A driver air bag circuit failure can be caused by:
- a short to ground or battery on Circuit 614 (GY/O).
- a short to ground or battery on Circuit 615 (GY/W).
- a short to ground or battery on the air bag clockspring.
- a short to ground or battery on the driver air bag module.