Land Rover Discovery: Diagnosis and Testing Navigation System
PRINCIPLES OF OPERATION
For a detailed description of the information and entertainment system and
operation, refer to the relevant Diagnosis and Testing section of the
workshop manual. REFER to:
Audio System (415-01 Information and Entertainment System, Description
and Operation),
Navigation System Map Updates (415-00 Information and Entertainment
System - General Information, Description and Operation),
Navigation System (415-01 Information and Entertainment System,
Description and Operation).
INSPECTION AND VERIFICATION
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.
- If an obvious cause for an observed or reported concern is found,
correct the cause (if possible) before proceeding to the next step
- If the cause is not visually evident, verify the symptom and refer to
the
Symptom Chart.
PRINCIPLES OF OPERATION
The information in this section is intended to help with basic diagnosis of
the navigation system.
For a detailed description of the Navigation System, refer to the relevant
Description and Operation section in the Workshop Manual.
READ NEXT:
Fault codes and diagnostics can be retrieved/achieved using the
manufacturer approved diagnostic system
Hard Key Test
The hard key test is used to check the operation of the hard switches.
If switch
SYMPTOM:
Black screen (navigation and audio
screens do not display)
POSSIBLE CAUSE:
Temperature in
passenger
compartment too low
Condensation in
passenger
compartment
Electrical harnes
SEE MORE:
Proximity Camera Coverage Zones
Front Proximity Camera
Right Proximity Camera
Rear Proximity Camera
Left Proximity Camera
The proximity camera system has four cameras that are located in the
following:
One camera located in the front bumper.
One camera in each of the door mirror assembl
Park assist is an aid to manoeuvring the
vehicle in and out of parking spaces and
parking bays. Park assist takes control of
the vehicle's steering system to
manoeuvre the vehicle.
The driver must maintain full control
of the accelerator and brakes
throughout any Park assist
manoeuvre.
Note: A Park