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 Operation78 · INSTRUMENTS
78 · Electrical

Warning Lamp Activation

Make
Land Rover
Model
Range Rover L322 Range Rover System Description and Operation
Section
Operation › Warning Lamp Activation
INSTRUMENTSWarning Lamp Activation
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INSTRUMENTS

DESCRIPTION AND OPERATION

88-31

Operation

Warning Lamp Activation
The following warning lamps are illuminated directly by the instrument pack logic or by other control units connected 
to the instrument pack. The following table shows the warning lamp functionality.

Refer to table earlier in the instrument description section for warning lamp colour and bulb check applicability.

Function

Active Parameters

Reason for activation

Activated By

Headlamp main beam

Ignition switch position II

Main beam selected on

LCM on the I Bus

Left direction indicator

Ignition switch position I or 

II

Left indicator selected on

LCM on the I Bus

Right direction indicator

Ignition switch position I or 

II

Right indicator selected on

LCM on the I Bus

Front fog lamps

Ignition switch position II 

and headlamps on

Front fog lamps selected on

LCM on the I bus

Rear fog lamps

Ignition switch position II 

and headlamps on

Rear fog lamps selected on

LCM on the I bus

Seat belt warning

Ignition switch position II

Seat belt not fastened and 

ignition on in position II for 6 

seconds

LCM on the I bus and 

instrument pack

Charge indicator lamp

Ignition switch position II

No charging output from 

alternator

Instrument pack hardwired 

connection or via CAN

Oil pressure warning

Ignition switch position II

Engine oil pressure low

Instrument pack hardwired 

connection

General brake warning

Ignition switch position II

Brake fluid low

LCM on the I bus

Brake pads worn

Instrument pack hardwired 

connection

Electronic brake 

proportioning failure

CAN message

Brake assist

Ignition switch position II

Brake booster failure

CAN message

Dynamic brake control 

failure

CAN message

Brake booster monitoring 

failure

CAN message

Handbrake

Ignition switch position II

Handbrake on

Instrument pack hardwired 

connection or instrument 

pack software

Anti-lock Brake System 

(ABS)

Ignition switch position II

ABS failure

Instrument pack hardwired 

connection

ASC-X (4 wheel all speed 
electronic traction control)

Ignition switch position II

ASC-X controlling failure

Instrument pack hardwired 

connection or via CAN 

message

Low fuel warning

Ignition switch position II

Tank reserve level reached

Instrument pack software

MIL (Check Engine Soon – 

NAS)

Ignition switch position II

Engine management 

system malfunction

Instrument pack hardwired 

connection or via CAN

SRS warning

Ignition switch position II

Airbag malfunction

Instrument pack hardwired 

connection

Cruise control

Ignition switch position II

Cruise control active

Instrument pack hardwired 

connection or via CAN 

message

HDC (Hill Descent Control)

Ignition switch position II

HDC active

Instrument pack hardwired 

connection or via CAN 

message

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