Land Rover BOSCH M5.2.1 ENGINE MANAGEMENT ON BOARD DIAGNOSTICS Manual PDF
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Land Rover BOSCH M5.2.1 ENGINE MANAGEMENT ON BOARD DIAGNOSTICS Manual – PDF DOWNLOAD
Vehicle Coverage:
Discovery Series II 1999 to 2004 MY
Range Rover 38A 1999 to 2002 MY
Description
Land Rover BOSCH M5.2.1 ENGINE MANAGEMENT ON BOARD DIAGNOSTICS Manual – PDF DOWNLOAD
FILE DETAILS:
Land Rover BOSCH M5.2.1 ENGINE MANAGEMENT ON BOARD DIAGNOSTICS Manual – PDF DOWNLOAD
Language : English
Pages : 98
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Land Rover BOSCH M5.2.1 ENGINE MANAGEMENT ON BOARD DIAGNOSTICS Manual – PDF DOWNLOAD
Vehicle Coverage:
Discovery Series II 1999 to 2004 MY
Range Rover 38A 1999 to 2002 MY
1 Contents
1 Contents 2
2 Introduction 5
2.1 Diagnostic Trouble Codes and Freeze Frames 5
2.2 System Interfaces 6
2.3 Inputs and Outputs 6
3 Mode $06 Data – In accordance with SAE J1979 8
4 Onboard Monitoring 18
4.1 Catalyst Monitoring 18
4.1.1 Description 18
4.1.2 Monitoring Structure 19
4.1.3 Block Diagram of system Operation 21
4.2 Misfire Monitoring 23
4.2.1 Description 23
4.2.2 Monitoring Structure 24
4.2.3 Fault Processing for Emissions Relevant Misfire 27
4.3 Secondary Air Injection System Monitoring 30
4.3.1 Description 30
4.3.2 Passive Secondary Air Injection Diagnostic Monitoring Structure 32
4.3.3 Active Secondary Air Injection Diagnostic Monitoring Structure 33
4.4 Evaporative Emission System Monitoring – 0.040” (1.0mm) Diameter 36
4.4.1 Description 36
4.4.2 Monitoring Structure 37
4.5 Evaporative Emission System Monitoring – 0.020” (0.5mm) Diameter 42
4.5.1 Description 42
4.6 Fuel System Monitoring 50
4.6.1 Description 50
4.6.2 Monitoring Structure 53
4.7 Oxygen Sensor Monitoring 55
4.7.1 Description 55
4.7.2 Monitoring Structure 56
4.7.3 Oxygen Sensor Heater Monitoring Description 57
4.7.4 Oxygen Sensor Heater Monitoring Structure 58
4.8 Thermostat Monitoring 65
4.8.1 Description 65
4.8.2 Monitoring Structure 66
4.9 Engine Speed and Position Sensor (Crankshaft Sensor) 69
4.9.1 Description 69
4.10 Camshaft Position Sensor 71
4.10.1 Description 71
Land Rover Revision Date: December 2003 Page 3 of 98
4.11 Engine Coolant Temperature Sensor 72
4.11.1 Description 72
4.12 Mass Airflow Sensor and Intake Air Temperature Sensor 73
4.12.1 Mass Airflow Sensor 73
4.12.2 Description 73
4.12.3 Intake Air Temperature Sensor 74
4.12.4 Description 74
4.13 Knock Sensor 75
4.13.1 Description 75
4.14 Throttle Position Sensor 76
4.14.1 Description 76
4.15 Engine Control Module Self Test 77
4.15.1 Description 77
4.16 Fuel Level Sensor 78
4.16.1 Description 78
4.17 Vehicle Speed Signal 79
4.17.1 Description 79
4.18 Power Supplies 80
4.18.1 Description 80
4.19 Rough Road signal 81
4.19.1 Description 81
4.20 Transfer Box Malfunction Indicator Lamp Request (Range Rover 38A Only) 82
4.20.1 Description 82
4.21 Air Conditioning System (Discovery Series II Only) 84
4.21.1 Description 84
4.22 Fuel Injectors 86
4.22.1 Description 86
4.23 Idle Speed Control Actuator 88
4.23.1 Description 88
4.24 Fuel Pump Relay 90
4.24.1 Description 90
4.25 Malfunction Indicator Lamp 91
4.25.1 Description 91
4.26 Hill Descent Control Signal – Discovery Series II Only 92
4.26.1 Description 92
4.27 Engine Speed Signal 93
4.27.1 Description 93
4.28 Environmental-Box Cooling Fan – Range Rover 38A Only 94
4.28.1 Description 94
4.29 Low Range Signal 95
4.29.1 Description 95
4.30 Controller Area Network System 96
Land Rover Revision Date: December 2003 Page 4 of 98
4.30.1 Description 96
4.31 Positive Crankcase Ventilation System Monitoring 97
4.31.1 Description 97
S.V 28/02/2025
