Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
 
Vehicle » Restraints and Safety Systems » Air Bag Systems » Testing and Inspection » Pinpoint Tests » Test F: LFC 15/DTC B1887 - Driver Air Bag CKT Shorted to GND  
 
 
  Test F: LFC 15/DTC B1887 - Driver Air Bag CKT Shorted to GND  
 

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Normal Operation
The air bag Electronic Crash Sensor (ECS) module checks for driver air bag circuit shorts to ground by monitoring the voltage of circuits 941 (LG) and 942 (BU) at pins 1 and 15. If the ECS detects a short to ground on either of these pins, it will store a Diagnostic Trouble Code (DTC) B1887 in memory and flash a Lamp Fault Code (LFC) 15 (or higher priority code if one exists) on the air bag indicator.

Possible Causes
A driver air bag circuit short to ground could be caused by:

  • a short to ground on circuit 941 (LG).
  • a short to ground on circuit 942 (BU).
  • a short to ground on the clockspring.
  • a short to ground on the driver air bag module.