Ford 2014 Escape v.4 User Manual download pdf (Page 221)

When a low voltage battery replacement

is necessary, see an authorized dealer to

replace the low voltage battery with a Ford

recommended replacement low voltage

battery that matches the electrical

requirements of the vehicle

To ensure proper operation of the battery

management system (BMS), do not allow

a technician to connect any electrical

device ground connection directly to the

low voltage battery negative post. A

connection at the low voltage battery

negative post can cause inaccurate

measurements of the battery condition

and potential incorrect system operation.

Note: If a person adds electrical or

electronic accessories or components to the

vehicle, the accessories or components may

adversely affect the low voltage battery

performance and durability and may also

affect the performance of other electrical

systems in the vehicle.

For longer, trouble-free operation, keep the

top of the battery clean and dry. Also,

make certain the battery cables are always

tightly fastened to the battery terminals.

If you see any corrosion on the battery or

terminals, remove the cables from the

terminals and clean with a wire brush. You

can neutralize the acid with a solution of

baking soda and water.

When a battery replacement is required,

the battery should only be replaced with

a Ford recommended replacement battery

that matches the electrical requirements

of the vehicle.

Because your vehicle’s engine is

electronically-controlled by a computer,

some engine control settings are

maintained by power from the low voltage

battery. Some engine computer settings,

like the idle trim and fuel trim strategy,

optimize the driveability and performance

of the engine. Some other computer

settings, like the clock and radio station

presets, are also maintained in memory by

power from the low voltage battery. When

a technician disconnects and connects the

low voltage battery, these settings are

erased. Complete the following procedure

in order to restore the settings:

1. With the vehicle at a complete stop,

set the parking brake.

2. Shift the transmission into P.

3. Turn off all accessories.

4. Step on the brake pedal and start the

vehicle.

5. Run the engine until it reaches normal

operating temperature. While the

engine is warming up, complete the

following: Reset the clock. See Audio

System (page 270). Reset the power

windows bounce-back feature. See

Windows and Mirrors (page 78).

Reset the radio station presets. See

Audio System (page 270).

6. Allow the engine to idle for at least one

minute. If the engine turns off, step on

the accelerator to start the engine.

7. While the engine is running, step on the

brake pedal and shift the transmission

to N.

8. Allow the engine to run for at least one

minute by pressing on the accelerator

pedal.

9. Drive the vehicle at least 10 miles (16

kilometers) to completely relearn the

idle and fuel trim strategy.

Note: If you do not allow the engine to

relearn the idle and fuel trim strategy, the

idle quality of your vehicle may be adversely

affected until the engine computer

eventually relearns the idle trim and fuel

trim strategy.

218

Escape (TM2) , enUSA

Maintenance

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