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:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Both speakers
Remove the front door trim panel.
Refer to: Front Door Trim Panel (501-05 Interior Trim and Ornamentation, Removal and Installation).
Door woofer speaker
Remove the bolts and the front door speaker...
What Is the Keyless Entry Keypad
The keyless entry keypad allows you to lock
and unlock your vehicle using the keypad
on the window trim.
Keyless Entry Keypad Limitations
The system may not function if:
The vehicle battery has no charge.
Locating the Keyless Entry Keypad
SecuriCode Invisible Keypad
The keypad is near the driver window
illuminates when you touch it...