2002 LAND ROVER DISCOVERY lock

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Page 375 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual EMISSION CONTROL - V8
17-2-38 DESCRIPTION AND OPERATION
Evaporative emission control operation
Fuel vapour is stored in the activated charcoal (EVAP) canister for retention when the vehicle is not ope

Page 377 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual EMISSION CONTROL - V8
17-2-40 DESCRIPTION AND OPERATION
EVAP system, leak detection diagnostic (vacuum type)
The EVAP system leak detection is performed as follows:
1The ECM checks that the signal fro

Page 378 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual EMISSION CONTROL - V8
DESCRIPTION AND OPERATION 17-2-41
Following the test, the system returns to normal purge operation after the canister vent solenoid opens. Possible 
reasons for an EVAP system le

Page 397 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual ENGINE MANAGEMENT SYSTEM - TD5
18-1-4 DESCRIPTION AND OPERATION
Engine management block diagram

Page 398 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual ENGINE MANAGEMENT SYSTEM - TD5
DESCRIPTION AND OPERATION 18-1-5
1Mass air flow sensor 
2Ambient air pressure sensor
3Manifold absolute pressure/ inlet air 
temperature sensor
4Engine coolant temperatu

Page 399 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual ENGINE MANAGEMENT SYSTEM - TD5
18-1-6 DESCRIPTION AND OPERATION
Description
General
An engine control module (ECM) controls the five-cylinder direct injection diesel engine, and works on the drive by

Page 423 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual ENGINE MANAGEMENT SYSTEM - TD5
18-1-30 DESCRIPTION AND OPERATION
Glow plug warning lamp 
The glow plug warning lamp is located in the instrument cluster.  It illuminates to alert the driver that the g

Page 424 of 1672

LAND ROVER DISCOVERY 2002  Workshop Manual ENGINE MANAGEMENT SYSTEM - TD5
DESCRIPTION AND OPERATION 18-1-31
The purpose of the glow plugs is:
lAssist cold engine start.
lReduce exhaust emissions at low engine load/speed.
The main part of the g