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Land Rover Body And Paint Air Bag And Safety Belt Rover Manual

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    							Instrument cluster backlighting and instrument panel
    switch illumination is controlled by the dimmer control
    which is an integral part of the lighting control switch.
    (G421241) Technical Training62
    Lesson 2 – ElectricalInstrument Cluster and Panel
    Illumination 
    						
    							Instrument Cluster - High Line
    NOTE: UK Right hand drive petrol shown
    Ignition/No charge warning indicator1
    Low oil pressure warning indicator2
    Malfunction Indicator Lamp (MIL)3
    Seat belt warning indicator4
    SRS warning indicator5
    Adaptive Cruise Control (ACC) indicator (if
    fitted)
    6
    Left turn signal indicator7
    Coolant temperature gage8
    High coolant temperature warning indicator9
    High beam indicator10
    Tyre pressure monitoring system indicator (if
    fitted)
    11
    Fuel level gage12
    Right turn signal indicator13
    Cruise control indicator14
    Adaptive front lighting system indicator (if fitted)15
    Park brake fault indicator16
    Park brake warning indicator17
    Front fog lamp indicator18
    Rear fog lamp indicator19
    Speedometer20
    Odometer21
    Trip meter display22
    Trip reset button23
    Selector lever position (automatic transmission
    only)
    24
    CommandShift™/Sport mode indicator25
    CommandShift™ gear position (automatic
    transmission only)
    26
    Instrument ClusterLesson 2 – Electrical
    63Technical Training (G421242) 
    						
    							Trailer indicator27
    Low fuel indicator28
    Message center29
    ABS indicator30
    Brake warning indicator (pad wear/low
    fluid/EBA/EBD)
    31
    Auxiliary heating indicator32
    DSC/Traction control indicator33
    HDC active indicator34
    Ambient light sensor35
    Alarm indicator36
    Transfer box low range indicator37
    Air suspension warning indicator (if fitted)38
    Tachometer39
    Instrument Cluster - Low Line
    NOTE: ROW Left hand drive diesel shown
    Ignition/No charge warning indicator1
    Low oil pressure warning indicator2
    Glow plug indicator3
    Seat belt warning indicator4
    SRS warning indicator5
    Not used6
    Left turn signal indicator7
    Brake warning indicator (pad wear/low
    fluid/EBA/EBD)
    8
    Coolant temperature gage9
    High coolant temperature warning indicator10
    ABS indicator11
    High beam indicator12
    (G421242) Technical Training64
    Lesson 2 – ElectricalInstrument Cluster 
    						
    							Tyre pressure monitoring system indicator (if
    fitted)
    13
    Fuel level gage14
    Low fuel level indicator15
    Right turn signal indicator16
    Cruise control indicator17
    Adaptive front lighting system indicator (if fitted)18
    Park brake fault indicator19
    Park brake warning indicator20
    Front fog lamp indicator21
    Rear fog lamp indicator22
    Speedometer23
    Odometer24
    Trip meter display25
    Trip reset button26
    Selector lever position (automatic transmission
    only)
    27
    CommandShift™/Sport mode indicator28
    CommandShift™ gear position (automatic
    transmission only)
    29
    Trailer indicator30
    Low washer fluid indicator31
    Low coolant indicator32
    Water in fuel indicator - non-functional33
    Driveline overheat indicator34
    Tyre pressure warning35
    Driveline fault warning indicator36
    Park brake city mode indicator - non-functional37
    Engine management system fault indicator38
    HDC fault warning indicator39
    Door open warning indicator40
    Auxiliary heating indicator41
    DSC/traction control indicator42
    Ambient light sensor43
    Alarm indicator44
    HDC active indicator45
    Transfer box low range indicator46
    Air suspension warning indicator (if fitted)47
    Tachometer48
    Instrument ClusterLesson 2 – Electrical
    65Technical Training (G421242) 
    						
    							Instrument Cluster - NAS
    NOTE: High line shown
    Ignition/No charge warning indicator1
    Low oil pressure warning indicator2
    Malfunction Indicator Lamp (MIL)3
    Seat belt warning indicator4
    SRS warning indicator5
    Adaptive Cruise Control (ACC) indicator (if
    fitted)
    6
    Left turn signal indicator7
    Coolant temperature gage8
    High coolant temperature warning indicator9
    High beam indicator10
    Tyre pressure monitoring system indicator (if
    fitted)
    11
    Fuel level gage12
    Right turn signal indicator13
    Cruise control indicator14
    Adaptive front lighting system indicator (if fitted)15
    Park brake fault indicator16
    Park brake warning indicator17
    Front fog lamp indicator18
    Rear fog lamp indicator19
    Speedometer20
    Odometer21
    Trip meter display22
    Trip reset button23
    Selector lever position (automatic transmission
    only)
    24
    CommandShift™/Sport mode indicator25
    CommandShift™ gear position (automatic
    transmission only)
    26
    (G421242) Technical Training66
    Lesson 2 – ElectricalInstrument Cluster 
    						
    							Trailer indicator27
    Low fuel indicator28
    Message center29
    ABS indicator30
    Brake warning indicator (pad wear/low
    fluid/EBA/EBD)
    31
    Auxiliary heating32
    DSC/traction control indicator33
    HDC active indicator34
    Ambient light sensor35
    Alarm indicator36
    Transfer box low range indicator37
    Air suspension warning indicator38
    Tachometer39
    WARNING INDICATORS
    The warning indicators are located in various positions
    in the instrument cluster. The warning indicators can
    be split into two groups; self controlled and externally
    controlled.
    Self controlled warning indicators are dependent on
    software logic within the instrument pack for activation.
    The pack software controls the indicator check
    illumination at ignition on and all indicators whose
    operation is controlled by the instrument cluster, the
    low fuel level warning indicator for example.
    Externally controlled indicators are supplied with current
    from another system controlling module or illuminated
    by the instrument cluster on receipt of a bus message
    from another subsystem module.
    Some indicators are activated by an external subsystem
    module but the instrument cluster contains the control
    logic. These indicators are shown in the following table
    as being both self and externally controlled.
    The following table shows the available indicators and
    indicates if they are subject to an indicator check at
    ignition on and if they are self or externally controlled.
    Self Controlled (S)/
    Externally
    Controlled (E)
    Bulb CheckIllumination ColorIndicator
    ENoRedIgnition/No charge
    ENoRedLow oil pressure
    E* No (will illuminate
    at ignition on to show
    glow plugs active)
    AmberGlow plug active
    E* YesAmberMIL
    ENoRedSeat belt
    E* YesRedSRS
    ENoAmberAdaptive cruise control (if fitted)
    ENoGreenTransfer box low range
    Instrument ClusterLesson 2 – Electrical
    67Technical Training (G421242) 
    						
    							Self Controlled (S)/
    Externally
    Controlled (E)
    Bulb CheckIllumination ColorIndicator
    EYesAmber /RedAir suspension
    ENoGreenHDC active
    EYesAmberHDC fault
    EYesAmberDSC /Traction control
    ENoGreenLeft turn signal
    ENoGreenRight turn signal
    ENoGreenTrailer
    SYesREDHigh engine coolant temperature
    SNoBlueHigh beam
    E* YesAmberABS failure
    SYesAmberLow fuel level
    ENoAmberCruise control
    --Non-functionalPark Brake City mode
    EYesAmberPark brake fault
    ENoRedPark brake warning
    ENoGreenFront fog lamps
    ENoAmberRear fog lamps
    ENoRedAlarm
    EYesAmberEMS Fault
    EYesAmber /RedDriveline fault
    EYesAmberDriveline overheat
    EYesAmberLow washer fluid
    ENoRedDoor open
    EYesRedFBH active
    EYesAmberTyre pressure monitoring
    ENoAmberLow coolant level
    (G421242) Technical Training68
    Lesson 2 – ElectricalInstrument Cluster 
    						
    							Self Controlled (S)/
    Externally
    Controlled (E)
    Bulb CheckIllumination ColorIndicator
    ENoAmberOverspeed
    --Non-functionalWater in fuel
    EYesAmberTyre pressure warning
    EYesAmber /RedBrake warning
    EYesAmberAdaptive front lighting
    * = Bulb check performed by subsystem module, not instrument cluster
    Warning Indicator Functionality
    Air suspension1
    Transfer box low range2
    HDC active3
    DSC/Traction control4
    Ignition/No charge5
    Low oil pressure6
    Glow plugs active (diesel models only)7
    Malfunction Indicator Lamp (petrol models only)8
    Instrument ClusterLesson 2 – Electrical
    69Technical Training (G421242) 
    						
    							SRS warning9
    Left turn indicator10
    Right turn indicator11
    High beam12
    Tyre pressure monitoring system13
    Seat belt warning14
    Brake warning15
    ABS16
    Cruise control17
    Adaptive front lighting system18
    Park brake fault (all except NAS)19
    Park brake warning (all except NAS)20
    Front fog lamps21
    Rear fog lamps22
    Trailer23
    Auxiliary heating24
    Engine management system fault25
    Driveline fault26
    HDC fault27
    Water in fuel (non-functional)28
    Driveline overheat29
    Low washer fluid30
    Door open31
    Park brake city mode (non-functional)32
    Tyre pressure warning33
    Low coolant34
    Overspeed warning (Gulf only)35
    Park brake fault (NAS only)36
    Park brake warning (NAS only)37
    Brake warning (NAS only)38
    Adaptive Cruise Control (ACC) (if fitted)39
    The functionality for each of the above warning
    indicators is described below. Some warning indicators
    are accompanied by a chime from the instrument pack
    when they are illuminated and also a message in the
    message center on high line instrument clusters. Some
    indicators are only available on the low line instrument
    cluster, with the indicators being replaced with messages
    on the high line instrument cluster.
    1. Air Suspension Indicator
    The air suspension indicator is illuminated by the
    instrument cluster software on receipt of a CAN signal
    from the air suspension control module. The air
    suspension control module outputs a number of different
    signals relating to the air suspension system operation.
    The instrument cluster interprets the signals and can
    illuminate the indicator in either an amber or red colour
    as appropriate. Some signals also include requests for
    chimes from the instrument cluster to alert the driver.
    2. Transfer Box Low Range Indicator
    The transfer box low range indicator is illuminated by
    the instrument cluster software on receipt of CAN
    signals from the transfer box control module. When a
    range change from high to low range is in progress, the
    low range indicator flashes in an green color. When the
    range change is complete, the low range indicator
    remains permanently illuminated until high range is
    selected.
    The transfer box control module also requests a single
    chime from the instrument cluster to alert the driver that
    the requested range change is complete. On high line
    instrument clusters, the range change information is also
    displayed in the message center.
    3. Hill Descent Control (HDC) Active Indicator
    The HDC active indicator is illuminated by the
    instrument cluster software on receipt of CAN signals
    from the ABS module. The indicator is illuminated in
    a green color when HDC is active and the vehicle speed
    is below a predetermined threshold. If the vehicle speed
    (G421242) Technical Training70
    Lesson 2 – ElectricalInstrument Cluster 
    						
    							is faster than the threshold limit, the HDC indicator will
    flash until the vehicle speed is reduced. On high line
    instrument clusters a supporting message will also be
    displayed in the message center.
    If the use of HDC causes the brake discs to exceed their
    pre-determined temperature, the HDC system initiates
    a fade out. The HDC indicator flashes during fade out
    and on high line instrument clusters a supporting
    message is displayed in the message center. When the
    brake discs have cooled sufficiently, HDC is reactivated
    and the HDC indicator is permanently illuminated.
    4. Dynamic Stability Control (DSC)/Traction Control
    Indicator
    The DSC/traction control indicator is illuminated by the
    instrument cluster software on receipt of CAN signals
    from the ABS module. The indicator is illuminated in
    an amber color for 3 seconds for a bulb check when the
    ignition is switched on. If no faults exist, the indicator
    is extinguished after the bulb check period.
    When DSC is active, the indicator flashes to inform the
    driver that the system is regulating engine output and
    braking forces. If the indicator remains illuminated after
    the bulb check period or illuminates when driving, the
    DSC system has a fault or DSC has been deselected by
    the driver using the DSC switch on the fascia.
    5. Ignition/No Charge Indicator
    The ignition/no charge indicator is controlled by the
    instrument cluster software and illuminated by CAN
    signals from the Engine Control Module (ECM). The
    indicator illuminates in a red color when the ignition is
    moved to position II and is extinguished when the
    engine is started.
    If the indicator remains illuminated after the engine has
    started or illuminates when driving, the alternator charge
    output has failed.
    6. Low Oil Pressure Indicator
    The low oil pressure indicator is hardwired directly to
    the instrument cluster. The indicator is illuminated in a
    red color when the ignition is moved to position II.
    When the engine is started and the oil pressure increases
    the low oil pressure indicator should extinguish. If the
    indicator remains illuminated or illuminates when
    driving the vehicle should be stopped at the earliest
    opportunity and the engine switched off until the fault
    is rectified.
    7. Glow Plugs Active Indicator (Diesel models only)
    The glow plugs active indicator is illuminated by the
    instrument cluster software on receipt of a CAN message
    from the Engine Control Module (ECM). The indicator
    is located in the same position as the MIL on petrol
    models. The indicator illuminates in an amber color
    when the ignition is moved to position II. The indicator
    illumination period varies with engine temperature and
    is some cases will not illuminate when the engine
    temperature is high. The indicator is controlled by CAN
    signals from the ECM which equate to the time which
    the glow plugs are energised to pre-heat the combustion
    chambers. When the glow plug heating time is complete,
    the indicator is extinguished indicating to the driver that
    the engine can now be started.
    8. Malfunction Indicator Lamp (MIL)
    The MIL is controlled by the instrument cluster software
    on receipt of CAN signals from the ECM. The indicator
    is illuminated for a bulb check by the ECM when the
    ignition is moved to position II. The lamp is
    extinguished when the engine starts.
    If the MIL remains illuminated after the engine is started
    or illuminates while driving, a fault is present and must
    investigated at the earliest opportunity. Illumination of
    the MIL indicates that there is an On-Board Diagnostic
    (OBD) fault which will cause excessive emissions
    output. This may relate to either an engine management
    system fault or a transmission fault.
    9. Supplementary Restraint System (SRS) Warning
    Indicator
    Instrument ClusterLesson 2 – Electrical
    71Technical Training (G421242) 
    						
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