nsx11indxc.pdf

Fuel and Emissions (’91−’92 Models)
Special Tools 11−2. . . . . . . . . . . . . . . . .
Component Location Index 11−3. . . .
System Description
Vacuum Connections 11−5. . . . . .
Electrical Connections 11−8. . . . .
Troubleshooting
DTC Chart 11−16. . . . . . . . . . . . . . . .
Self−diagnostic Procedures 11−18
How to Read Flowcharts 11−23. . .
PGM−FI System
System Description 11−24. . . . . . . . . . .
Troubleshooting Flowcharts
MIL Never Comes On 11−26. . . . . .
MIL Stays On 11−27. . . . . . . . . . . . .
Idle Control System
DTC Chart 11−66. . . . . . . . . . . . . . . . . . .
System Description 11−67. . . . . . . . . . .
Troubleshooting Flowcharts
Air Conditioning Signal 11−72. . . .
Alternator FR Signal 11−74. . . . . . .
A/T Gear Position
Signal 11−76. . . . . . . . . . . . . . . . .
Neutral Switch Signal
(M/T) 11−78. . . . . . . . . . . . . . . . . .
Clutch Switch Signal
(M/T) 11−80. . . . . . . . . . . . . . . . . .
Starter Switch Signal 11−82. . . . . .
Fast Idle Thermo Valve 11−83. . . . . . . .
Idle Speed Setting 11−84. . . . . . . . . . . .
Fuel Supply System
DTC Chart 11−86. . . . . . . . . . . . . . . . . . .
System Description 11−87. . . . . . . . . . .
Fuel Pressure 11−87. . . . . . . . . . . . . . . .
Fuel Injectors 11−92. . . . . . . . . . . . . . . .
Fuel Injector Resistor 11−94. . . . . . . . .
Fuel Pressure Regulator 11−95. . . . . .
Fuel Filter 11−97. . . . . . . . . . . . . . . . . . . .
Fuel Pump Description 11−98. . . . . . . .
Fuel Pump 11−102. . . . . . . . . . . . . . . . . . .
PGM−FI Main Relay 11−103. . . . . . . . . . .
Troubleshooting Flowcharts
Fuel Pump Resistor 11−106. . . . . . .
PGM−FI Main Relay 11−104. . . . . . . .
Fuel Tank 11−108. . . . . . . . . . . . . . . . . . . .
Intake Air System
DTC Chart 11−110. . . . . . . . . . . . . . . . . . .
System Description 11−111. . . . . . . . . . .
Air Cleaner 11−112. . . . . . . . . . . . . . . . . . .
Throttle Cable 11−113. . . . . . . . . . . . . . . .
Throttle Body
Description 11−114. . . . . . . . . . . . . . .
Inspection 11−114. . . . . . . . . . . . . . . .
Disassembly 11−116. . . . . . . . . . . . . .
Throttle Valve Dashpot System
Description 11−117. . . . . . . . . . . . . . .
Throttle Valve Dashpot System
Testing 11−118. . . . . . . . . . . . . . . . . . .
Intake Air Bypass (IAB) Control
System 11−119. . . . . . . . . . . . . . . . . . .
Intake Air Bypass (IAB) Control
Valve Testing 11−122. . . . . . . . . . . . .
Intake Air Bypass (IAB) Control
Valve Disassembly 11−123. . . . . . . .
Emission Control System
DTC Chart 11−124. . . . . . . . . . . . . . . . . . .
System Description 11−125. . . . . . . . . . .
Tailpipe Emission 11−125. . . . . . . . . . . . .
Three Way Catalytic Converter (TWC)
Description 11−126. . . . . . . . . . . . . . .
Inspection 11−127. . . . . . . . . . . . . . . .
Positive Crankcase (PCV)
System 11−134. . . . . . . . . . . . . . . . . . .
Evaporative Emission (EVAP) Controls
Description 11−135. . . . . . . . . . . . . . .
Troubleshooting
Flowchart 11−137. . . . . . . . . . . . .
EVAP Two Way Valve
Testing 11−140. . . . . . . . . . . . . . . .