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 Operation38 · RESTRAINT SYSTEMS
38 · Body & interior

Description (page 5 of 13)

Make
Land Rover
Model
Range Rover L322 Range Rover System Description and Operation
RESTRAINT SYSTEMSDescription · page 5 of 13
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RESTRAINT SYSTEMS

DESCRIPTION AND OPERATION

75-9

Seat Occupancy Module

The seat occupancy module is installed on the underside of the front passenger seat. The module supplies a power 
feed to the seat occupancy sensor and monitors the return voltage to determine if the seat is occupied or not. The 
result is transmitted to the DCU as a serial data message. The seat occupancy module also monitors for short and 
open circuits in the seat occupancy sensor. If it detects a fault, the seat occupancy module transmits a fault message 
to the DCU in place of the status message.

Seat Belt Switches
On NAS vehicles, a seat belt switch is installed in the buckle of each front seat belt to provide the DCU with a status 
signal of the related seat belt(s). When the seat belt is unfastened the switch is open circuit. When the seat belt is 
fastened the switch is closed and connects a battery power signal to the DCU.

NOTE: In some other markets vehicles have a seat belt switch in the buckle of the driver seat only. On these vehicles 
the input from the seat belt switch is used for the seat belt warning function, but not for the SRS.

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