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:
When in Follow mode, the vehicle
may not decelerate automatically
to a stop, nor will the vehicle
always decelerate quickly enough
to avoid a collision.
Once a set speed has been selected, the
driver can release the accelerator and the
set road speed will be maintained.
If a vehicle ahead enters th
REMOVAL
WARNING:
Observe due care when working near a hot exhaust system.
NOTES:
Removal steps in this procedure may contain installation details.
Engine shown removed for clarity.
Refer to: Engine Cover - INGENIUM I4 2.0L Diesel (501-05 Interior
Trim and Ornamentation, Removal and Installation)