Land Rover 5.0L V8 AJ 133 ENGINE MANAGEMENT SYSTEM ON BOARD DIAGNOSTIC Manual PDF

Description

Land Rover 5.0L V8 AJ 133 ENGINE MANAGEMENT SYSTEM ON BOARD DIAGNOSTIC Manual – PDF DOWNLOAD

FILE DETAILS:

Land Rover 5.0L V8 AJ 133 ENGINE MANAGEMENT SYSTEM ON BOARD DIAGNOSTIC Manual – PDF DOWNLOAD

Language : English
Pages : 189
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Land Rover 5.0L V8 AJ 133 ENGINE MANAGEMENT SYSTEM ON BOARD DIAGNOSTIC Manual – PDF DOWNLOAD

1 Engine started and running8
11 Engine Start – System Flowchart 8
2 Engine Cylinder Numbering and Firing Order 9
3 Catalyst Monitoring 10
31 Fault Codes 10
32 System Overview 10
33 Strategy Description 10
331 Oxygen Storage Capacity (OSC) and catalyst efficiency evaluation 10
332 Diagnosis constraints 11
333 Failure Criterion 11
34 Catalyst Monitor Diagnosis – System Flowchart and Tables 12
4 Misfire Monitoring16
41 Fault Codes 16
42 System Overview 16
43 Strategy Description 17
431 Introduction 17
432 Recording segment time and position, and its manipulation 17
433 Adjustment of crank angle tolerance/engine roughness values 17
434 Storing adaption values in back-up memory 18
435 Misfire ‘signal’ calculation and misfire judgement 19
436 Catalyst damage judgement 21
437 Excess emissions judgement 21
438 Monitor execution check 22
439 Rough road 22
44 Misfire Monitor – System Flowchart and Tables 23
5 Evaporative System Monitoring 25
51 Fault Codes 25
52 System Schematic 26
53 System Description 27
54 Fault Determination 28
541 Reference Leak Measurement 28
542 Tank Measurement 29
543 Fault Assessment 29
5431 Small Leak / Rough Leak (> 0040 inch) 30
Range Rover JLR 18 19 18_1E Jaguar Land Rover Limited Page: 3 / 189
5432 Very Small Leak (0020 inch) 31
5433 Fuel Cap Warning Message 32
5434 Filler Cap Removal and Re-Fueling 32
55 Evaporative System Monitoring – System Flowchart and Tables 33
56 Diagnosis Frequency and MIL Illumination 36
6 Purge Valve Monitoring38
61 Fault Codes 38
62 System Schematic 38
63 System Description 39
64 Fault Determination 39
641 Reference Leak Measurement 39
642 Purge System Measurement 39
643 Fault Assessment 40
6431 CPV stuck open 40
6432 CPV stuck closed or purge lines are blocked 40
65 Purge Flow Monitoring – System Flowchart and Tables 41
7 Fuel System Monitoring 44
71 Fault Codes 44
72 System Description 44
73 Fuel System Monitoring – System Flowchart and Tables 46
74 Fuel Injector Monitoring Tables 54
8 UHEGO Sensor Monitoring56
81 Fault Codes 56
82 System Overview 56
83 ‘UHEGO Sensor Ready’ Conditions 56
84 Sensor Heater Control 57
841 Valid sensor resistance has been measured 57
842 Dew point assessment 58
85 Heater Diagnostics 58
851 Heater Powerstage/control circuit analysis 58
852 Heater Control Diagnosis 58
853 Heater Influence on Nernst Cell 58
86 Signal Diagnostics 59
861 Integrated Circuit (IC) Electrical monitoring 59
862 UHEGO Signal Diagnostics – System Flowchart 60
863 Sensor Dynamics 61
864 UHEGO Sensor Dynamics – System Flowchart 63
87 UHEGO Sensor Monitoring Tables 64
Range Rover JLR 18 19 18_1E Jaguar Land Rover Limited Page: 4 / 189
9 HEGO (LSF AND LSH) Sensor Monitoring70
91 Fault Codes 70
92 System Overview 71
93 ‘HEGO Sensor Ready’ Conditions 71
94 Sensor Heater Control 71
95 Heater Diagnostics 71
951 Heater power stage monitoring 71
952 Heater monitoring 72
953 HEGO Heater Monitor – System Flowchart 72
96 Signal Diagnostics 72
961 Electrical monitoring 72
962 HEGO Electrical Monitoring – System Flowchart 73
963 HEGO Sensor dynamics 74
9631 Delayed response 74
9632 Transient response 74
9633 Range or signal stuck 74
9634 Delayed response – System Flowchart 75
9635 Transient response – System Flowchart 76
9636 Range or signal stuck – System Flowchart 77
97 HEGO (LSF AND LSH) Sensor Monitoring Tables 78
10 Individual Cylinder AFR Monitor 84
101 Fault Codes 84
102 System Description 84
103 Fault Decision 84
104 Individual Cylinder AFR Monitor – System Flowchart and Tables 85
11 Positive Crankcase Ventilation (PCV) System Monitoring 87
111 PCV Valve Location and Hose Layout for the Naturally Aspirated Engine 88
112 PCV Valve Location and Hose Layout for the Supercharged Engine 89
12 Camshaft Profile Switching – Naturally Aspirated Engine Only 90
121 Fault Codes 90
122 Schematic Overview 91
123 Strategy Description 92
1231 Electrical Monitor 92
1232 Functional Diagnosis 92
12321 Diagnostic Measurement: 92
12322 Fault Determination: 92
1233 Camshaft Profile Switching – System Flowchart and Tables 93
13 Engine Cooling System – Thermostat Monitoring98
Range Rover JLR 18 19 18_1E Jaguar Land Rover Limited Page: 5 / 189
131 System Schematic 98
132 System Description 99
133 Typical Time to Detection for a failed Thermostat during Normal Driving 100
134 Thermostat Monitoring – System Flowchart and Tables 101
14 Comprehensive Component Monitoring 103
141 Intake Air Temperature Sensor Monitor 103
1411 Schematic 103
1412 Naturally Aspirated Variants 104
14121 TFA1 (Pre-Throttle) Intake Air Temperature Sensor Monitor 104
141211 Fault Codes 104
141212 Electrical Monitor 104
141213 Rationality Monitor 105
141214 Cold Start Monitor 105
141215 TFA1 Monitoring – System Flowchart (NA Variant) 106
1413 Super Charged Variants 107
14131 TMAP/TFA1 (Post intercooler) Intake Air Temperature Sensor Monitor 107
141311 Fault Codes 107
141312 Electrical Monitor 107
141313 Rationality Monitor 108
141314 Cold Start Monitor 108
141315 TFA1 Monitoring – System Flowchart (SC Variant) 109
14132 TFA2 (Pre-Throttle) Intake Air Temperature Sensor Monitor 110
141321 Fault Codes 110
141322 Electrical Monitor 110
141323 Rationality Monitor 110
141324 Cold Start Monitor 110
141325 TFA2 Monitoring – System Flowchart 111
14133 TFA3 (Supercharger out) Intake Air Temperature Sensor Monitor 112
141331 Fault Codes 112
141332 Electrical Monitor 112
141333 Rationality Monitor 112
141334 Cold Start Monitor 112
141335 TFA3 Monitoring – System Flowchart 113
1414 Intake Air Temperature Sensor Monitoring Tables 114
142 Mass Airflow Sensor Monitors 120
1421 Fault Codes 120
14221 Electrical check 121
14222 Signal Range Check 121
Range Rover JLR 18 19 18_1E Jaguar Land Rover Limited Page: 6 / 189
14223 Cross Flow Compensation Range and Plausibility Check 121
14224 MAF Monitoring – System Flowchart and Tables 123
143 Intake Pressure Sensor Monitors 126
1431 Naturally Aspirated Variants 126
14311 MAP Pressure Monitor 126
14312 Fault Codes 126
14313 Electrical Monitor 126
14314 Range Check, Rationality and Signal Monitor 126
14315 MAP/TMAP Monitoring – System Flowchart and Tables 128
1432 Super Charged Variants 131
14321 TMAP Pressure Monitor 131
14322 Fault Codes 131
14323 Electrical Monitor 131
14324 Range Check, Rationality and Signal Monitor 131
14325 MAP/TMAP Monitoring – System Flowchart and Tables 133
1433 MAP Pressure Monitor – Pressure Downstream of Throttle 136
14331 Fault Codes 136
14332 Electrical Monitor 136
14333 Range Check, Rationality and Signal Monitor 136
1434 MAP/TMAP Monitoring – System Flowchart and Table 137
144 Coolant Temperature Sensor Monitor 139
1441 Fault Codes 139
1442 Electrical Monitor 139
1443 Rationality Monitor 139
1444 Cold Start Monitor 139
1445 Block Heater Detection Conditons: 140
1446 Coolant Sensor Monitor – System Flowchart and Tables 141
145 Radiator Out Temperature Monitor 144
1451 Fault Codes 144
1452 Range Monitor 144
1453 Rationality Monitor 144
1454 Radiator Out Temperature Monitor – System Flowchart and Tables 145
15 Parameters and Conditions Necessary to Begin Closed Loop Operation 148
151 Closed loop fuel control – System description 148
1511 Enablement Conditions 148
1512 Start Enablement Delay 148
1513 Stoichiometric fueling and sub feedback control 148
1514 Normal Running Temporary Disablement 149
Range Rover JLR 18 19 18_1E Jaguar Land Rover Limited Page: 7 / 189
1515 Fault Error Disablement 149
16 Additional Tables 150
161 Cold Start Emission Reduction Strategy Performance Tables 150
162 Barometric Pressure Sensor Monitoring Table 154
163 Idle Speed Control Monitoring Tables 155
164 Ambient Temperature Sensor Monitoring Table 156
165 Knock Sensor Monitoring Tables 158
166 Cam and Crankshaft Sensor Monitoring Tables 160
167 Ignition Coil Drive Monitoring Table 165
168 Variable Valve Timing Monitoring Tables 166
169 Supercharger Control Valve Monitoring Table 168
1610 Output Shaft Speed, Wheel Speed and Vehicle Options Error Monitoring Table 169
1611 Network Managment Tables 170
1612 Vehicle Speed Determination Monitoring Table 172
1613 Sensor Supply Voltage and Main Relay Monitoring Table 172
1614 Accelerator Pedal Monitoring Table 173
1615 Throttle Monitoring Tables 174
1616 ECM Monitoring Table 176
17 Table of Input and Output Signals 178
171 Engine Control Module (ECM) 178
172 Transmission Control Module (TCM) 181
18 Additional Information 182
181 Diagnostic Test Mode Compliance 182
182 Stored Engine Conditions – Mode$02 182
183 Communication of Monitor Test Results – Mode$06 183
184 Drawing and Location of the Malfunction Indicator Light 188
185 Location of the Data Link Connector 189

S.V 28/02/2025