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

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

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

Language : English
Pages : 163
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 SYSTEM Manual – PDF DOWNLOAD

1 Engine started and running7
11 Engine Start – System Flowchart 7
2 Engine Cylinder Numbering and Firing Order 8
3 Catalyst Monitoring 9
31 Fault Codes 9
32 System Overview 9
33 Strategy Description 10
331 Oxygen Storage Capacity (OSC) and catalyst efficiency evaluation 10
332 Diagnosis constraints 10
333 Failure Criterion 10
34 Catalyst Monitor Diagnosis – System Flowchart and Tables 11
35 Drive Cycle Information 15
4 Misfire Monitoring15
41 Fault Codes 15
42 System Overview 15
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
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5431 Small Leak / Rough Leak (> 0040 inch) 30
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
57 Drive Cycle Information 37
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 55
8 UHEGO Sensor Monitoring57
81 Fault Codes 57
82 System Overview 57
83 ‘UHEGO Sensor Ready’ Conditions 57
84 Sensor Heater Control 58
841 Valid sensor resistance has been measured 58
842 Dew point assessment 59
85 Heater Diagnostics 59
851 Heater Powerstage/control circuit analysis 59
852 Heater Control Diagnosis 59
853 Heater Influence on Nernst Cell 59
86 Signal Diagnostics 60
861 Integrated Circuit (IC) Electrical monitoring 60
862 UHEGO Signal Diagnostics – System Flowchart 61
863 Sensor Dynamics 62
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864 UHEGO Sensor Dynamics – System Flowchart 64
87 UHEGO Sensor Monitoring Tables 65
88 Drive Cycle Information 71
9 HEGO (LSF AND LSH) Sensor Monitoring72
91 Fault Codes 72
92 System Overview 73
93 ‘HEGO Sensor Ready’ Conditions 73
94 Sensor Heater Control 73
95 Heater Diagnostics 73
951 Heater power stage monitoring 73
952 Heater monitoring 74
953 HEGO Heater Monitor – System Flowchart 74
96 Signal Diagnostics 74
961 Electrical monitoring 74
962 HEGO Electrical Monitoring – System Flowchart 75
963 HEGO Sensor dynamics 76
9631 Delayed response 76
9632 Transient response 76
9633 Range or signal stuck 76
9634 Delayed response – System Flowchart 77
9635 Transient response – System Flowchart 78
9636 Range or signal stuck – System Flowchart 79
97 HEGO (LSF AND LSH) Sensor Monitoring Tables 80
98 Drive Cycle Information 85
10 Individual Cylinder AFR Monitor 86
101 Fault Codes 86
102 System Description 86
103 Fault Decision 86
104 Individual Cylinder AFR Monitor – System Flowchart and Tables 87
11 Engine Cooling System – Thermostat Monitoring89
111 System Schematic 89
112 System Description 90
113 Typical Time to Detection for a failed Thermostat during Normal Driving 91
114 Thermostat Monitoring – System Flowchart and Tables 92
12 Comprehensive Component Monitoring 94
121 Intake Air Temperature Sensor Monitor 94
1211 Schematic 94
1212 Super Charged Variants 95
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12121 TMAP/TFA1 (Post intercooler) Intake Air Temperature Sensor Monitor 95
121211 Fault Codes 95
121212 Electrical Monitor 95
121213 Rationality Monitor 96
121214 Cold Start Monitor 96
121215 TFA1 Monitoring – System Flowchart (SC Variant) 97
12122 TFA2 (Pre-Throttle) Intake Air Temperature Sensor Monitor 98
121221 Fault Codes 98
121222 Electrical Monitor 98
121223 Rationality Monitor 98
121224 Cold Start Monitor 98
121225 TFA2 Monitoring – System Flowchart 99
12123 TFA3 (Supercharger out) Intake Air Temperature Sensor Monitor 100
121231 Fault Codes 100
121232 Electrical Monitor 100
121233 Rationality Monitor 100
121234 Cold Start Monitor 100
121235 TFA3 Monitoring – System Flowchart 101
1213 Intake Air Temperature Sensor Monitoring Tables 102
122 Mass Airflow Sensor Monitors 106
1221 Fault Codes 106
12221 Electrical check 107
12222 Cross Flow Compensation Range and Plausibility Check 107
12223 MAF Monitoring – System Flowchart and Tables 109
123 Intake Pressure Sensor Monitors 112
1231 Super Charged Variants 112
12311 TMAP Pressure Monitor 112
12312 Fault Codes 112
12313 Electrical Monitor 112
12314 Range Check, Rationality and Signal Monitor 112
12315 MAP/TMAP Monitoring – System Flowchart and Tables 114
1232 MAP Pressure Monitor – Pressure Downstream of Throttle 117
12321 Fault Codes 117
12322 Electrical Monitor 117
12323 Range Check, Rationality and Signal Monitor 117
1233 MAP/TMAP Monitoring – System Flowchart and Table 118
124 Coolant Temperature Sensor Monitor 120
1241 Fault Codes 120
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1242 Electrical Monitor 120
1243 Rationality Monitor 120
1244 Cold Start Monitor 120
1245 Coolant Sensor Monitor – System Flowchart and Tables 121
125 Radiator Out Temperature Monitor 124
1251 Fault Codes 124
1252 Range Monitor 124
1253 Rationality Monitor 124
1254 Radiator Out Temperature Monitor – System Flowchart and Tables 125
13 Additional Tables 128
131 Cold Start Emission Reduction Strategy Performance Tables 128
132 Barometric Pressure Sensor Monitoring Table 132
133 Idle Speed Control Monitoring Tables 133
134 Ambient Temperature Sensor Monitoring Table 134
135 Knock Sensor Monitoring Tables 135
136 Cam and Crankshaft Sensor Monitoring Tables 137
137 Ignition Coil Drive Monitoring Table 142
138 Variable Valve Timing 143
1381 Variable Valve Timing Monitoring Tables 143
1382 Variable Valve Timing Drive Cycle Information 145
139 Supercharger Control Valve Monitoring Table 145
1310 Network Managment Tables 146
1311 Vehicle Speed Determination Monitoring Table 148
1312 Sensor Supply Voltage and Main Relay Monitoring Table 148
1313 Accelerator Pedal Monitoring Table 149
1314 Throttle Monitoring Tables 150
1315 ECM Monitoring Table 152
14 Additional Information 154
141 Diagnostic Test Mode Compliance 154
142 Stored Engine Conditions – Mode$02 154
143 Communication of Monitor Test Results – Mode$06 155
144 Drawing and Location of the Malfunction Indicator Light 161
145 Location of the Data Link Connector 162

S.V 28/02/2025