Lincoln Navigator: Parking Aid / Elevation System Check. General Procedures
Check
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Turn the ignition ON, engine OFF.
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Set the parking brake.
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Place the gearshift in REVERSE (R) for rear parking aid sensors.
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Place the gearshift in DRIVE (D) for front parking aid sensors.
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Using a diagnostic scan tool, monitor the parking aid
sensor distance Parameter Identifications (PIDs) to verify no objects
are detected.
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If the audible warning is heard or if the Parameter
Identifications (PIDs) indicate an object is detected, check to make
sure the bumper is correctly installed and is not tilted downward so the
sensor is pointing at the ground. Refer to Diagnosis and Testing.
Check
NOTE:
The object used in this system check can be
fabricated using a 9 cm diameter (3 in I.D.) pipe, 100 cm (39 in) in
length (available as Polyvinyl Chloride (PVC) pipe, or similar from a
hardware or plumbing supply...
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
RH side shown, LH side similar.
With the vehicle in NEUTRAL, position it on a hoist...
Other information:
Special Tool(s) /
General Equipment
Brake Caliper Piston Retractor
Removal
NOTE:
Removal steps in this procedure may contain installation details.
WARNING:
Service actions on vehicles equipped with electronic
parking brakes may cause unexpected parking brake application, which
could result in injury to hands or fingers...
Special Tool(s) /
General Equipment
307-746Remover, Transmission Wiring Harness Connector
Removal
Remove the main control valve body.
Refer to: Main Control Valve Body (307-01 Automatic Transmission -
10-Speed Automatic Transmission – 10R80, Removal and Installation)...