System Tests: Notes

Symptom	Perform Test
AIR BAG Indicator Inoperative/Always On	(1)
THEFT Indicator Inoperative/Always On	(2)
Oil Gauge Reads Normal With Ignition Off	(3)
Single Gauge Does Not Return To Zero With Ignition Off	(3)
No Communication With Instrument Cluster	A
No Communication With Generic Electronic Module	B
Incorrect Fuel Gauge Indication	C
LOW FUEL Indicator Never/Always On	D
Incorrect Oil Pressure Gauge Indication	E
Incorrect Temperature Gauge Indication	F
Speedometer/Tachometer Is Inoperative	G
Odometer Inoperative	H
Safety Belt Indicator Is Inoperative (Chime Is Operative)/Does Not Operate Correctly	I
O/D OFF Indicator Is Never/Always On	J
Low Engine Coolant Indicator Never/Always On	K
BRAKE Indicator Never/Always On	L
Charge System Indicator Never/Always On	M
High Beam Indicator Is Never/Always On	N
ABS Indicator Is Inoperative/Always On	O
SERVICE ENGINE SOON Indicator Never/Always On	P
Turn Signal/Hazard Indicator Never/Always On	Q
Traction Control Indicator Is Never/Always On	R
Incorrect Voltage Gauge Indication	S
Incorrect Speedometer Indication	T
Incorrect Tachometer Indication	U
Key-In-Ignition Warning Chime Does Not Operate Properly	V
Air Bag Warning Chime Does Not Operate Properly	W
Door Ajar Warning Chime Does Not Operate Properly	X
Headlight Warning Chime Does Not Operate Properly	Y
Seat Belt Warning Chime Does Not Operate Properly	Z
(1) See appropriate AIR BAG article in lemon-25(R) AIR BAG SERVICE & REPAIR manual. (2) See PASSIVE ANTI-THEFT SYSTEMS - MUSTANG article. (3) Replace instrument cluster.