Lincoln Nautilus: Battery, Mounting and Cables / Battery. Diagnosis and Testing
General Equipment
| Diagnostic Battery Charger |
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Use Ford approved battery test equipment.
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Midtronics MDX-650 or P-300/P-600/490/1050
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Midtronics GRX-3590 or 3000
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

PINPOINT TEST A: BATTERY CONDITION TEST
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Normal Operation and Fault Conditions
Battery condition is determined by measuring battery
terminal voltage after a specific discharge current is applied for a
specified time period.
Possible Sources
- Battery
- Wiring, terminals or connectors
Visual Inspection and Pre-checks
- Inspect wiring, terminals and connectors.
- Inspect the battery.
- Inspect battery mounting
- Inspect high current BJB connections.
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| A1 TEST THE BATTERY CONDITION |
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NOTE:
Failure to fully charge the battery before retesting may cause false readings.
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Using the Diagnostic Battery Charger and the battery
cables removed from the battery, verify the battery condition.
Is the battery OK?
| Yes |
RETURN the battery to service.
|
| No |
If the analyzer reads REPLACE BATTERY or REPLACE-BAD CELL, INSTALL a new battery. REFER to: Battery (414-01 Battery, Mounting and Cables)
.
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System Operation
Battery and Cables
Vehicles
are equipped with a 12-volt, Absorbent Glass Mat (AGM) maintenance-free
battery. The battery is a 12V DC source connected in a negative ground
system and is a voltage stabilizer for the 12V electrical system...
Charging
WARNING:
Before beginning any service procedure in this section,
refer to Safety Warnings in section 100-00 General Information. Failure
to follow this instruction may result in serious personal injury...
Other information:
Use a belt-positioning booster seat for
children who have outgrown or no longer
properly fit in a child restraint and meet the
following criteria.
Generally children who are less than
57 in (1.45 m) tall.
Are greater than age four (4) and less
than age twelve (12)...
Driving Economically
The following helps to improve fuel
consumption:
Drive smoothly, accelerate gently and
anticipate the road ahead to avoid heavy
braking.
Regularly check your tire pressures and
make sure that they are inflated to the
correct pressure...