L322 Range Rover System Description and Operation
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