Workshop Manuals Factory service & repair Land Rover
01 Range Rover 2002MY ON Workshop Manual - System Description and Operation - LM - 6th Edition - NAS02 03 04 05 06 07 08 09 ENGINE - V810 11 12 ENGINE MANAGEMENT SYSTEM – V813 14 FUEL DELIVERY SYSTEM – V815 16 17 18 19 20 COOLING SYSTEM – V821 22 MANIFOLDS AND EXHAUST SYSTEM – V823 TRANSFER BOX24 AUTOMATIC TRANSMISSION – ZF 5HP2425 26 DRIVE AND PROPELLER SHAFTS27 28 FINAL DRIVE29 STEERING30 31 SUSPENSION32 33 34 35 BRAKES36 37 38 RESTRAINT SYSTEMS39 40 41 DOORS42 INTERIOR TRIM COMPONENTS43 44 45 SCREENS46 SEATS47 48 SUNROOF49 50 AIR CONDITIONING51 52 53 54 55 56 57 WIPERS AND WASHERS58 59 CHARGING AND STARTING60 61 62 63 64 LIGHTING65 66 BODY CONTROL UNIT67 68 COMMUNICATION DATA BUSES69 70 71 SECURITY72 WINDOWS73 74 75 ENTERTAINMENT AND INFORMATION SYSTEMS76 DRIVING AIDS77 78 INSTRUMENTS
Land Rover L322 Range Rover System Description and Operation75 · ENTERTAINMENT AND INFORMATION SYSTEMS
75 · General

Service Mode

Make
Land Rover
Model
Range Rover L322 Range Rover System Description and Operation
Section
New Range Rover Navigation System › Service Mode
ENTERTAINMENT AND INFORMATION SYSTEMSService Mode
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ENTERTAINMENT AND INFORMATION SYSTEMS

86-8-56 DESCRIPTION AND OPERATION

Fault codes
Fault codes are stored in the memory of the system ECUs and are accessed using TestBook/T4. The following table 
'ECU fault codes' lists the faults that can be stored by the navigation computer memory.

ECU fault codes

Service Mode
To enter service mode on the high line system, select SET on the menu screen and hold the menu button for eight 
seconds. This will then display the 'service mode' menu screen.

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On-board monitor

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NAVIGATION / GRAPHIC ELEMENT

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Video module

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GPS 

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Sensor check.

On-board Monitor
Selecting the 'On-board monitor' option displays the 'On-board monitor version' screen as follows.

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SW level

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HW level

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DIAG index

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Bus index

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Encoding index

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Supplier.

If version is selected the 'ON BOARD MONITOR VERSION' screen will be displayed as described above.

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Version

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Key function

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Brightness- the screen brightness can be adjusted by selecting this option.

Select the 'Key function' menu by rotating the LH rotary control and depressing it. The 'ON-BOARD MONITOR KEY 
FUNCTION' screen will be displayed. This allows each key on the display unit to be checked for operation. The screen 
also shows the following information:

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Key, the screen will show FF if no keys are pressed or FEH if several keys are pressed. The KEY box will change 
to reflect the button that has been pressed

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OBM increm sensor- The 'OBM increm sensor' box changes its value as the RH rotary control is turned

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Radio increment sensor- The 'OBM increm sensor' box changes its value when the LH (audio) rotary control is 
turned.

Navigation / Graphic Element
Selecting the Navigation / graphic element displays the following options:

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SW level

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HW level

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DIAG index

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Bus index

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Encoding index

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Supplier.

Fault code

Description

01

Navigation computer error

04

GPS sensor error

05

Temperature error

06

Application software error

07

Display error

08

Audio error

09

CD error

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