Fuel And Emissions - Acura Integra 1998 Service Manual

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Fuel and Emissions
S D e c i a f T o o f s
. . , . . . , . . . . . . . . . . . . . . . 1 1 - 2
Component Locations
I n d e x . , . . , . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . , . , . , . , . , . . , . , . . . . . . .
1 1 - 3
System Description
Vacuum Connections ..................................,.
11-8
Electrical Connections ...................................
1 1-14
System Connectors ....,.,.,.,............................ 1 1-22
Troubleshooting
Troubfeshooting Procedures ........................
11.32
Engine Control Module T€rminal
Arrangement .,.,.,..,.,. 11-39
Diagnostic Trouble Cods Chart .......-.-..........
11-42
Howto Read Flowcharts ......,..,.,...................
1147
PGM-Fl System
System Description
............ 11-4
Troubleshooting Flowcharts
Engine Control Module ............,...,..,.,...........
11-50
Manifold Absolute Pressure
S e n s o r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . , . , . . . , . . . . . . . . . . . . . . . .
1 1 - 5 4
Intake Air TemDerature Sensor ..........,...,.....
11-58
Engine Coolant Temperature
S e n s o r . . . . . . . . . . . . . . . . . . . . , . , . . . , . , . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 1 - 6 0
Throttle Position Sensor .,...........................,.
11-63
Primary Heated Oxygen Sensor
( S e n s o r ' l )
. . . . . . . , . . . . . . , . , .
1 1 - 6 7
Secondary Heated Oxygen Sensor
l s e n s o r 2 ) . . . . . . . . . . . . . . . . . .
1 1 - 7 1
Heated Oxygen Sensor Heater .....................'t1.74
Fuel Supply System .......................................
1 1-76
Random Mistire
............. 11-78
Misfire Detected in One Cylinder .....,..:,,.,....
11-79
Knock Sensor .........,.,..,.
f -A2
Crankshaft Position/Top Dead Center/
Cylinder Position Sensor .,........................
11-83
Vehicle Speed Sensor .............,.,.,.,....,...........
11-85
Barometric Prsssute Sensor ..,......................
11-86
Electrical Load Detector ...................,.,..........
11-88
Crankshaft SDeed Fluctuation
S e n s o r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . , . . . . . . . . 1 1 - 9 0
ECM lnternal Circuit,..............................-......,
11-92
A/T Fl Date Line
............ 11-93
A/T Fl Signal A/B .......... 11-95
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