System Testing - Diagnostic: Notes

WARNING: This page is about a different car, the 1995 Mercury Mystique and 1995 Ford Contour. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: All continuity testing is done with SRS deactivated. See COMPLETE SYSTEM DEACTIVATION under DISABLING & ACTIVATING AIR BAG SYSTEM.

FAULT CODE IDENTIFICATION

Fault Code

Description

AIR BAG Warning Light Does Not Light ⁽¹⁾

Inoperative AIR BAG Warning Light Circuit

AIR BAG Warning Light Stays On ⁽²⁾

Diagnostic Monitor Disconnected Or Faulty

Loss Of Battery Power To Air Bag Firing Circuit

Air Bag Circuit Shorted To Ground

Front Impact Sensor Shorted To Ground

Safing Sensor Not Mounted To Vehicle Properly

Safing Sensor Shorted

Safing Sensor Input Feed/Return Circuit Open

Safing Sensor Output Feed/Return Circuit Open

High Resistance Or Open In Driver-Side Air Bag Circuit

High Resistance Or Open In Passenger-Side Air Bag Circuit

Low Resistance Or Short In Driver-Side Air Bag Circuit

Low Resistance Or Short In Passenger-Side Air Bag Circuit

41 Or 42

High Resistance Or Open Front Impact Sensor Circuit

44 Or 45

Front Impact Sensor Not Mounted To Vehicle Properly

Diagnostic Monitor Internal Thermal Fuse Open

Back-Up Power Supply Fault

High Resistance In Impact Sensor Circuit Or Diagnostic Monitor Internal Fault

Tones ⁽³⁾

AIR BAG Light Is Out & Another Fault Code Is Present

* ⁽⁴⁾

All Impact Sensors Disconnected

⁽¹⁾	Perform TEST A. See SYSTEM TESTING - DIAGNOSTIC .

⁽²⁾	Perform TEST B. See SYSTEM TESTING - DIAGNOSTIC .

⁽³⁾	Tones are 5 sets of 5 beeps. They are not used for indicating fault codes.

⁽⁴⁾	RAPID CONTINUOUS FLASHING OF AIR BAG WARNING LIGHT. SEE RAPID FLASHING OF AIR BAG LIGHT, ALL IMPACT SENSORS DISCONNECTED UNDER SYSTEM TESTING - DIAGNOSTIC.