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
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 |
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:
Removal
Remove the liftgate trim panel.
Refer to: Liftgate Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
Release the inside connections and nuts from the reversing lamp assembly.
Remove the reversing lamp nuts...
Why Maintain Your Vehicle?
Carefully following the maintenance
schedule helps protect against major repair
expenses resulting from neglect or
inadequate maintenance and may help to
increase the value of your vehicle when you
sell or trade it. Keep all receipts for
completed maintenance with your vehicle...