Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

Diagnosis and Testing Information and Entertainment System/ Symptom chart

SYMPTOM:

Audio/video system inoperative at start up

POSSIBLE CAUSES:

  • Last used audio/video source inoperative
  • MOST network fault

ACTION

  • GO to Pinpoint Test A.

SYMPTOM:

Audio/video soft key greyed out on touch screen

POSSIBLE CAUSES:

  • Last used audio/video source inoperative
  • MOST network fault

ACTION:

  • GO to Pinpoint Test A.

SYMPTOM:

Soft key response different to soft key touched

POSSIBLE CAUSES:

  • Touch screen calibration incorrect

ACTION:

  • Perform touch screen calibration. GO to Pinpoint Test C.

SYMPTOM:

Shortcut soft keys missing from home screen on the touch screen

POSSIBLE CAUSES:

  • Shortcut soft keys set to off after operating the Clear all soft key on the 'Home menu shortcuts' screen

ACTION:

  • Set the shortcut soft keys to on by navigating to the home screen and operating the following soft keys: Setup, System, Home menu shortcuts, Default. The default shortcut soft keys will now be available on the home screen. The shortcut soft keys can be customised as necessary

SYMPTOM:

Poor audio quality (all sources)

POSSIBLE CAUSES:

  • MOST harness connections loose
  • MOST harness connections contaminated
  • MOST harness misrouted - Too many bends or bend radius less than 25mm
  • Audio amplifier system fault

ACTION:

  • Check MOST harness connectors for security
  • Check MOST harness connectors for contamination
  • Check the routing of the MOST harness
  • Using the manufacturer approved diagnostic system, check the audio amplifier module for related DTCs and refer to the relevant DTC index

SYMPTOM:

One or more speakers inoperative

POSSIBLE CAUSES:

  • Audio amplifier system fault

ACTION:

  • Using the manufacturer approved diagnostic system, check the audio amplifier module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Radio inoperative

POSSIBLE CAUSES:

  • AM/FM antenna fault
  • MOST network fault
  • Power supply failure
  • Integrated audio module internal failure

ACTION:

  • Check if other audio sources activate the speakers
  • Check the harness for signs of damage
  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Digital radio inoperative

POSSIBLE CAUSES:

  • Digital radio antenna fault
  • Tuner failure
  • Antenna connectivity or harness
  • MOST network fault
  • Power supply failure
  • Digital radio control module internal failure

ACTION:

  • Check the harness for signs of damage
  • Using the manufacturer approved diagnostic system, check the digital radio control module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Digital radio no signal reception - New digital radio control module

POSSIBLE CAUSES:

  • Initial tuning not completed
  • Tuner failure
  • Defective component in antenna circuit
  • Antenna signal reception is obstructed by buildings, clouds, trees or tunnels
  • Low MOST signal
  • Extreme temperature in vehicle
  • Water ingress

ACTION:

Some functions are inhibited when the vehicle is moving.

  • Operate the Auto-tune soft key

SYMPTOM:

Digital radio poor signal reception

POSSIBLE CAUSES:

  • Tuning not refreshed
  • Link DAB set to off
  • L-band antenna set to off in a L-band antenna region
  • Band 3 antenna set to off in a band 3 antenna region
  • L-band antenna or link harness damaged
  • Band 3 antenna or link harness damaged
  • Software issue
  • Antenna damaged
  • Antenna signal reception is obstructed by buildings, clouds and trees or tunnels
  • Low MOST signal
  • Extreme temperature in vehicle
  • Water ingress

ACTION:

NOTE:

Some functions are inhibited when the vehicle is moving.

  • Operate the Auto-tune soft key
  • Operate the Settings soft key, followed by the Options soft key and set Link DAB to on
  • Operate the Settings soft key, followed by the L band and Band 3 soft key
  • Operate the Settings soft key, followed by the L band and Band 3 soft key
  • Check the L-band antenna and link harness for damage
  • Check the band 3 antenna and link harness for damage
  • Using the manufacturer approved diagnostic system, re-configure the digital radio control module with the latest level software
  • Check the antenna for damage

SYMPTOM:

Digital radio channel list not displayed

POSSIBLE CAUSES:

  • Tuning not refreshed
  • L-band antenna set to off in a L-band antenna region
  • Band 3 antenna set to off in a band 3 antenna region
  • MOST connector damaged
  • MOST network issue

ACTION:

NOTE:

Some functions are inhibited when the vehicle is moving.

  • Operate the Auto-tune soft key
  • Operate the Settings soft key, followed by the L band and Band 3 soft key
  • Operate the Settings soft key, followed by the L band and Band 3 soft key
  • Check MOST harness connectors for damage

SYMPTOM:

Digital radio interrupted by announcements

POSSIBLE CAUSES:

  • Announcements set to on
  • MOST connector damaged
  • MOST network issue
  • Moving through a tunnel

ACTION:

NOTE:

Some functions are inhibited when the vehicle is moving.

  • Operate the Settings soft key, followed by the Announcements soft key, and set all Announcements to off
  • Check MOST harness connectors for damage

SYMPTOM:

Unable to store preset channels in digital radio

POSSIBLE CAUSES:

  • Preset # soft key not operated for sufficient duration

ACTION:

  • Operate the Preset # soft key for at least 2 seconds to store the current station

SYMPTOM:

Digital radio will not select preset station when Preset # soft key operated

POSSIBLE CAUSES:

  • No station stored to relevant Preset # soft key

ACTION:

  • Store a station to the relevant Preset # soft key and retest

SYMPTOM:

NOTE:

Satellite Digital Audio Radio Service (SDARS) applies to NAS market vehicles only.

Satellite radio inoperative

POSSIBLE CAUSES:

  • Satellite radio antenna fault
  • Satellite radio control module internal failure

ACTION:

  • Using the manufacturer approved diagnostic system, check the satellite radio control module for related DTCs and refer to the relevant DTC index

SYMPTOM:

NOTE:

Satellite Digital Audio Radio Service (SDARS) applies to NAS market vehicles only.

No Satellite Digital Audio Radio Service (SDARS) channels available - 'No signal' or 'Acquiring signal' message

POSSIBLE CAUSES:

  • Vehicle not in USA
  • Poor signal reception
  • Satellite Digital Audio Radio Service (SDARS) system fault

ACTION:

  • No fault to rectify
  • The vehicle must have clear line of sight to a satellite, which means being outside and having no blockages between the vehicle and the satellite
  • Using the manufacturer approved diagnostic system, check the Satellite Radio Control Module (SRCM) for related DTCs and refer to the relevant DTC index

SYMPTOM:

NOTE:

Satellite Digital Audio Radio Service (SDARS) applies to NAS market vehicles only.

Only one Satellite Digital Audio Radio Service (SDARS) channel available (channel 184) - 'Unsubscribed' message

POSSIBLE CAUSES:

  • Channel 184 is available without subscription for a limited period (6 months)

ACTION:

  • No fault to rectify. Subscribe to Satellite Digital Audio Radio Service (SDARS) to resume service

SYMPTOM:

NOTE:

Satellite Digital Audio Radio Service (SDARS) applies to NAS market vehicles only.

No Satellite Digital Audio Radio Service (SDARS) channels available after 6 months without subscribing - 'Unsubscribed' message

POSSIBLE CAUSES:

  • Channel 184 is available without subscription for a limited period (6 months)

ACTION:

  • No fault to rectify. Subscribe to Satellite Digital Audio Radio Service (SDARS) to resume servic

SYMPTOM:

NOTE:

Satellite Digital Audio Radio Service (SDARS) applies to NAS market vehicles only.

Some Satellite Digital Audio Radio Service (SDARS) unavailable - 'Unsubscribed' message

POSSIBLE CAUSES:

  • Adult channels blocked by subscription type (family package)

ACTION:

  • No fault to rectify. Subscribe to Satellite Digital Audio Radio Service (SDARS) full package to receive adult channels

SYMPTOM:

NOTE:

Satellite Digital Audio Radio Service (SDARS) applies to NAS market vehicles only.

Satellite Digital Audio Radio Service (SDARS) pay channels unavailable - 'Unsubscribed' message

POSSIBLE CAUSES:

  • Payment not made

ACTION:

  • No fault to rectify

SYMPTOM:

Compact disc player inoperative

POSSIBLE CAUSES:

  • Incompatible/damaged compact disc
  • Integrated audio module internal failure

ACTION:

  • Insert a known good disc and retest
  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Unable to upload files to the hard drive

POSSIBLE CAUSES:

  • Incompatible/damaged compact disc
  • Integrated audio module internal failure

ACTION:

  • Insert a known good disc and retest
  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Auxiliary audio inoperative

POSSIBLE CAUSES:

  • Incompatible/faulty auxiliary device
  • Auxiliary device link cable fault
  • Integrated audio module internal failure

ACTION:

  • Connect a known good auxiliary device to the auxiliary socket and retest
  • Connect a known good auxiliary device to the auxiliary socket using a known good link cable and retest
  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

USB audio/video inoperative

POSSIBLE CAUSES:

  • Incompatible/faulty USB device
  • Integrated audio module internal failure

ACTION:

  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

USB audio/video inoperative - Apple devices

POSSIBLE CAUSES:

  • Incompatible/faulty Apple device
  • Bluetooth and USB connections made in the incorrect order
  • Integrated audio module internal failure

ACTION:

  • Check Apple device compatibility table below. Connect a known good Apple device to the auxiliary socket and retest
  • Audio streaming is supported via the USB cable but this must be connected after the cellular phone connects via Bluetooth - Best practice is to start the engine (causing the Bluetooth connection to be made) before connecting the USB cable
  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Television inoperative

POSSIBLE CAUSES:

  • TV antenna fault
  • TV control module internal failure

ACTION:

NOTE:

Some functions are inhibited when the vehicle is moving.

  • Using the manufacturer approved diagnostic system, check the TV control module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Television video signal poor/inoperative at the touch screen (television audio normal) - Vehicles without rear seat entertainment

POSSIBLE CAUSES:

  • CVBS signal circuit short circuit to ground, short circuit to power, open circuit, high resistance

ACTION:

NOTES:

  • Some functions are inhibited when the vehicle is moving.
  • The television audio signal is transmitted on the MOST network.

Using the manufacturer approved diagnostic system, check the television control module for related DTCs and refer to the relevant DTC index. Refer to the electrical circuit diagrams and check the CVBS signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance

Using the manufacturer approved diagnostic system, check the television control module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Television video signal poor/inoperative at the touch screen (television audio normal) - Vehicles with rear seat entertainment

POSSIBLE CAUSES:

  • Antenna damaged
  • Antenna circuit short circuit to ground, short circuit to power, open circuit, high resistance LVDS signal circuit short circuit to ground, short circuit to power, open circuit, high resistance
  • CVBS signal circuit short circuit to ground, short circuit to power, open circuit, high resistance
  • Non-genuine electronic accessories

ACTION:

NOTES:

  • Some functions are inhibited when the vehicle is moving.
  • The television audio signal is transmitted on the MOST network.
  • Check the antenna for damage
  • Refer to the electrical circuit diagrams and check the antenna circuit for short circuit to ground, short circuit to power, open circuit, high resistance
  • Using the manufacturer approved diagnostic system, check the rear seat entertainment control module for related DTCs and refer to the relevant DTC index. Refer to the electrical circuit diagrams and check the LVDS signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance
  • Using the manufacturer approved diagnostic system, check the rear seat entertainment control module for related DTCs and refer to the relevant DTC index. Refer to the electrical circuit diagrams and check the CVBS signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance
  • Disconnect/remove non-genuine electronic accessories and retest

SYMPTOM:

Television video signal poor/inoperative at the touch screen AND the rear seat entertainment screens (television audio normal) - Vehicles with rear seat entertainment

POSSIBLE CAUSES:

  • Antenna damaged
  • Antenna circuit short circuit to ground, short circuit to power, open circuit, high resistance
  • LVDS signal circuit short circuit to ground, short circuit to power, open circuit, high resistance
  • TV control module fault
  • Non-genuine electronic accessories

ACTION:

NOTE:

The television audio signal is transmitted on the MOST network.

  • Check the antenna for damage
  • Refer to the electrical circuit diagrams and check the antenna circuit for short circuit to ground, short circuit to power, open circuit, high resistance
  • Using the manufacturer approved diagnostic system, check the rear seat entertainment control module for related DTCs and refer to the relevant DTC index. Refer to the electrical circuit diagrams and check the LVDS signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance
  • Using the manufacturer approved diagnostic system, check the television control module for related DTCs and refer to the relevant DTC index
  • Disconnect/remove non-genuine electronic accessories and retest

SYMPTOM:

Television channel list absent

POSSIBLE CAUSES:

  • Incorrect country setting
  • Software fault

ACTION:

NOTE:

Some functions are inhibited when the vehicle is moving.

  • Check country setting and reset as necessary
  • Set the country setting to Ukraine and wait 60 seconds. If the channel list is now present, reset to the correct country and using the manufacturer approved diagnostic system, reconfigure the television control module with the latest level software

SYMPTOM:

Unable to store

POSSIBLE CAUSES:

  • Preset # soft key not operated for sufficient duration

ACTION:

  • Operate the Preset # soft key for at least 2 seconds to store the current channel

SYMPTOM:

Television will not select preset channel when Preset # soft key operated

POSSIBLE CAUSES:

  • No television channel stored to relevant Preset # soft key

ACTION:

NOTE:

Some functions are inhibited when the vehicle is moving.

  • Store a channel to the relevant Preset # soft key and retest

SYMPTOM:

DVD player inoperative

POSSIBLE CAUSES:

  • Incompatible/damaged compact disc
  • Incorrect region set Integrated audio
  • module internal failure

ACTION:

NOTE:

Some functions are inhibited when the vehicle is moving.

  • Insert a known good disc and retest
  • Change region setting
  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Unable to pair mobile phone to vehicle via Bluetooth

POSSIBLE CAUSES:

  • Incompatible mobile phone

ACTION:

NOTE:

Installing new components will not improve connectivity with an incompatible mobile phone.

SYMPTOM:

Echo when using a mobile phone via Bluetooth

POSSIBLE CAUSES:

  • Noise cancelling set to On in mobile phone and vehicle

ACTION:

  • Set noise cancelling to Off in mobile phone

SYMPTOM:

Navigation system inoperative (integrated navigation system)

POSSIBLE CAUSES:

  • Navigation antenna fault
  • Integrated audio module internal failure

ACTION:

  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Navigation system inoperative (with navigation control module)

POSSIBLE CAUSES:

  • Navigation antenna fault
  • Navigation control module internal failure

ACTION:

  • Using the manufacturer approved diagnostic system, check the navigation control module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Traffic message channel inoperative

POSSIBLE CAUSES:

  • FM/TMC antenna fault
  • VICS antenna fault
  • Integrated audio module internal failure

ACTION:

NOTE:

Vehicle Information and Communication System (VICS) is a type of Traffic Message Channel system used in the Japan market only.

  • Using the manufacturer approved diagnostic system, check the integrated audio module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Rear seat entertainment system inoperative

POSSIBLE CAUSES:

  • Rear seat entertainment control module internal failure

ACTION:

  • Using the manufacturer approved diagnostic system, check the rear seat entertainment control module for related DTCs and refer to the relevant DTC index

SYMPTOM:

Poor/no image displayed from rear view camera

POSSIBLE CAUSES:

  • Touch screen/multifunction display fault
  • Rear view camera fault

ACTION:

  • Using the manufacturer approved diagnostic system, check the touch screen or multi-function display for related DTCs and refer to the relevant DTC index
  • For further camera diagnostics please refer to section 413-13 Diagnosis and Testing - Proximity Camera in the workshop manual.

    REFER to: Proximity Camera (413-13 Parking Aid, Diagnosis and Testing).

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