Land Rover Discovery: Diagnosis and Testing Navigation System / Symptom chart
![Diagnosis and Testing Navigation System / Symptom chart](images/books/227/index368(1).jpg)
![Diagnosis and Testing Navigation System / Symptom chart](images/books/227/index369(1).jpg)
![Diagnosis and Testing Navigation System / Symptom chart](images/books/227/index370(1).jpg)
![Diagnosis and Testing Navigation System / Symptom chart](images/books/227/index371(1).jpg)
SYMPTOM:
Black screen (navigation and audio
screens do not display)
POSSIBLE CAUSE:
- Temperature in
passenger
compartment too low
- Condensation in
passenger
compartment
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
The navigation screen does not display,
even when the "NAVIGATION" button is
pressed (screen does not change)
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
The hard switches do not respond
POSSIBLE CAUSE:
- Component failure
- Switch failure
ACTION:
SYMPTOM:
The audio screen cannot be operated
(does not display)
POSSIBLE CAUSE:
- Media Oriented System
Transport (MOST)
system
- Electrical harness
open/short circuit, disconnected
ACTION:
SYMPTOM:
The screen does not dim
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
Noise on the screen, screen colour is
abnormal
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
The touch switches do not respond
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
There is considerable deviation between
the displayed vehicle position and the
actual position
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
The GPS no reception mark does not
disappear
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
- No reception from
satellite
ACTION:
SYMPTOM:
No sound is emitted
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
- Incorrect system
settings
ACTION:
SYMPTOM:
There is no navigation voice guidance
POSSIBLE CAUSE:
- Volume level set too
low
- The amplifier and
speakers are incorrectly
connected
ACTION:
SYMPTOM:
Voice recognition does not function
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
The vehicle position rotates randomly
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
- Vehicle on a turntable
in a parking building
ACTION:
SYMPTOM:
The vehicle mark display is unstable
POSSIBLE CAUSE:
- Electrical harness
open/short circuit, disconnected
- Component failure
- No reception from
satellite
ACTION:
SYMPTOM:
The vehicle position does not update
POSSIBLE CAUSE:
- HDD
contaminated/damaged
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
Calls cannot be received or placed with
Bluetooth; Bluetooth cannot connect
with the vehicle
POSSIBLE CAUSE:
- Incompatible
- Bluetooth telephone
- Incorrect initial
connection settings
- Electrical harness
open/short circuit, disconnected
- Component failure
ACTION:
SYMPTOM:
The map cannot be updated
POSSIBLE CAUSE:
- Refer to the
"Navigation Update
Tool" operation manual
ACTION:
- Refer to the
"Navigation
Update Tool"
operation
manual
SYMPTOM:
An error screen displays on the navigation
screen
POSSIBLE CAUSE:
- Access to the map data
has not been granted
ACTION:
SYMPTOM:
The dual view cannot be switched
POSSIBLE CAUSE:
- Incorrect car configuration data
received
- Media Oriented System
Transport (MOST)
system
- Component failure
ACTION:
PINPOINT TESTS
NOTES:
- If the control module or a component is suspect and the vehicle
remains under manufacturer warranty, refer to the Warranty Policy
and Procedures manual (section B1.2), or determine if any prior
approval Program is in operation, prior to the installation of a new
module/component.
- The built in diagnostics are accessed as follows:
- 1.With the vehicle at rest, place the ignition switch "ON", or
start the engine.
- 2. Press and hold the Touch Screen (TS) in the centre at the top
of the screen for approximately 5 seconds and then press and
hold the Touch Screen (TS) at the top left corner of the screen for
approximately 5 seconds.
- 3. A 'Diag PIN Entry' box will appear' Type in the access code
753.
- 4.Once this code has been accepted the Diagnostic Menu screen
will be displayed.
![PINPOINT TESTS](images/books/227/index372(1).jpg)
![PINPOINT TESTS](images/books/227/index373.jpg)
![PINPOINT TESTS](images/books/227/index374(1).jpg)
![PINPOINT TESTS](images/books/227/index375(1).jpg)
NOTE:
When re-confirming the symptoms after inspecting the wiring
harness/connector, turn the ignition status to OFF, wait for the Audio
power button LED on the display to turn OFF, then turn the ignition
status to ON and run the diagnosis again from the beginning.
NOTE:
15 minutes are required for the program to update. If the ignition is
accidentally turned OFF, turn the ignition ON again, and wait for 15
minutes.
![PINPOINT TESTS](images/books/227/index376(1).jpg)
![PINPOINT TESTS](images/books/227/index400.jpg)
![PINPOINT TESTS](images/books/227/index401.jpg)
![PINPOINT TESTS](images/books/227/index402.jpg)
![PINPOINT TESTS](images/books/227/index403.jpg)
![PINPOINT TESTS](images/books/227/index404.jpg)
![PINPOINT TESTS](images/books/227/index405.jpg)
NOTE:
Refer to diagnostic menu "Vehicle Sensor" - Distance Calibration, this
value should be approximately 200mm, a large deviation from this
value indicates a speed signal fault or incorrect wheel size.
![PINPOINT TESTS](images/books/227/index406.jpg)
![PINPOINT TESTS](images/books/227/index407.jpg)
NOTES:
- Move the vehicle to an open area, radio waves from satellites may
not be received inside buildings.
- Correct the vehicle cursor to the current location.
![PINPOINT TESTS](images/books/227/index408.jpg)
![PINPOINT TESTS](images/books/227/index409.jpg)
![PINPOINT TESTS](images/books/227/index410.jpg)
![PINPOINT TESTS](images/books/227/index411.jpg)
![PINPOINT TESTS](images/books/227/index412.jpg)
![PINPOINT TESTS](images/books/227/index413.jpg)
![PINPOINT TESTS](images/books/227/index414.jpg)
![PINPOINT TESTS](images/books/227/index415.jpg)
![PINPOINT TESTS](images/books/227/index416.jpg)
![PINPOINT TESTS](images/books/227/index417.jpg)
![PINPOINT TESTS](images/books/227/index418.jpg)
NOTE:
Prior to troubleshooting, verify that the vehicle and the Touch Screen
(TS) are compatible with Dual Directional View.
![PINPOINT TESTS](images/books/227/index419.jpg)
![PINPOINT TESTS](images/books/227/index420.jpg)
DTC INDEX
For a complete list of all Diagnostic Trouble Codes (DTCs) that could be
logged on this vehicle, please refer to Section 100-00.
REFER to: Diagnostic Trouble Code Index - DTC: Integrated Audio Module
(IAM) (100-00 General Information, Description and Operation).
READ NEXT:
Component location - Speakers - Incontrol touch- 6 SPEAKER
SYSTEM
Front right bass speaker
Front right tweeter speaker
Rear right bass speaker
Rear left bass speaker
Front left bass speaker
Description
INCONTROL TOUCH 6 SPEAKER SYSTEM
The system comprises 6 speakers:
2 tweeters, aluminium dome, 25mm, 4 Ohm, 50W maximum
4 bass, paper cone, rubber edge, 165mm, 2 Ohm, 100W
maximum.
IN
SEE MORE:
SURROUND CAMERA SYSTEM
It remains the driver's
responsibility to detect obstacles
and estimate the vehicle's
distance from them when
manoeuvring the vehicle.
To switch on the Surround
camera system, press the button
on the Touch screen surround.
Alternatively, select EXTRA
FEATURES on the HOME
me
REMOVAL
CAUTION:
Do not allow the side air curtain module to twist. Failure to follow
this
instruction may result in damage to the component.
NOTES:
Removal steps in this procedure may contain installation details.
Right illustration shown, left is similar.
All vehicles
Disconnect the battery g