Ford 2003 Mustang Workshop Manual page 3319

SECTION 413-09: Warning Devices
DIAGNOSIS AND TESTING
Gauges And Warning Devices
Refer to Wiring Diagrams Cell
information.
Refer to Wiring Diagrams Cell
Refer to Wiring Diagrams Cell
Special Tool(s)
73III Automotive Meter
105-R0057 or equivalent
Worldwide Diagnostic System
(WDS)
418-F224,
New Generation STAR (NGS)
Tester
418-F048, or equivalent
diagnostic tool
Principles of Operation
Key-In-Ignition Warning Chime
The key-in-ignition warning chime activates when the generic electronic module (GEM) detects the
ignition switch circuits are in the OFF or ACC states and when the GEM detects the driver door is ajar
from the driver door ajar circuits. Refer to the Chime Duration Table in this section for audible output,
duration time, and priority ratings.
Airbag Warning Chime
The airbag warning chime activates when the GEM detects the ignition switch circuits are in the RUN
state and when the GEM detects a chime is requested from the airbag system circuit. Refer to the
Chime Duration Table for audible output, duration time, and priority ratings.
Door Ajar Warning Chime
The door ajar warning chime activates when the GEM detects the ignition switch circuits are in the
RUN state and when the GEM detects the driver or passenger door is ajar from the driver and
passenger door ajar circuits. Refer to the Chime Duration Table in this section for audible output,
duration time, and priority ratings.
Headlamps Left on Warning Chime
The headlamps left on warning chime activates when the GEM detects the ignition switch circuits are
in the KEYOUT state, when the GEM detects the driver door is ajar from the driver door ajar circuit,
59 , Generic Electronic Module for schematic and connector
60 , Instrument Cluster for schematic and connector information.
66 , Warning Chime for schematic and connector information.
2003 Mustang Workshop Manual