Ford Mustang (1999-2004) Service Manual: Battery (Diagnosis and Testing)
Special Tool(s)
 |
Micro 490 Digital Battery Analyzer 162-00004 |
Inspection and Verification
1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
| Mechanical | Electrical |
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3. If an obvious cause for a concern is found, correct the cause before proceeding to the next step.
4. If the fault is not visually evident, proceed to the pinpoint test.
Pinpoint Tests
PINPOINT TEST A: BATTERY CONDITION TEST
| Test Step | Result / Action to Take |
| A1 TEST BATTERY CONDITION | Yes Does the meter read, GOOD BATTERY? RETURN the battery to service. REFER to Section. Does the meter read, GOODRECHARGE? CHARGE the battery and RETURN to service. REFER to Section. Does the meter read, CHARGE & RETEST? Fully CHARGE the battery and RETEST No Does the meter read, REPLACE BATTERY? INSTALL a new battery. Does the meter read, BAD CELLREPLACE? INSTALL a new battery. |
NOTE: No battery with a red test-eye should be replaced. The red eye only means the battery is discharged, not necessarily defective. NOTE: Failure to fully charge the battery before retesting may cause false readings.
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Battery and Cables
Vehicles are equipped with a 12 volt maintenance-free battery that
contains a built-in hydrometer. The
hydrometer eye indication is as follows:
A green dot means the battery is OK.
A yel ...
Battery Disconnect
WARNING: Batteries normally produce explosive gases which can
cause personal injury.
Therefore, do not allow flames, sparks or lighted substances to come
near the battery, always
shield you ...
Other materials:
Lighting control
A. Off
B. Parking lamps, instrument panel
lamps, license plate lamps and tail
lamps
C. Headlamps
High Beams
• Push the lever toward the
instrument panel to switch
on the high beams.
• Pull the lever toward you to
switch of the high beams.
Headlamp Flashe ...
Fittings - Vapor Tube
Disconnect
1. WARNING: The evaporative emission system contains fuel vapor and
condensed
fuel vapor. Although not present in large quantities, it still presents the
danger of
explosion or fire. Disconnect the battery ground cable from the battery to
minimiz ...
Fuel quality
Note: Use of any fuel other than those recommended may cause
powertrain damage and a loss of vehicle performance; repairs may not be
covered under warranty.
Choosing the Right Fuel
Use only unleaded fuel or unleaded fuel blended with a maximum of
15% ethanol. ...
