Acura NSX 1997 Service Manual page 1254

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System Description
Vacuum Connections
FRONT PRIMARY HEATED OXYGEN SENSOR (HO2S)
(BANK 2, SENSOR 1)
REAR PRIMARY HEATED OXYGEN SENSOR (HO2S)
(BANK 1, SENSOR 1)
FRONT SECONDARY HEATED OXYGEN SENSOR (HO2S)
(BANK 2, SENSOR 2)
REAR SECONDARY HEATED OXYGEN SENSOR (HO2S)
(BANK 1, SENSOR 2)
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
INTAKE AIR TEMPERATURE (IAT) SENSOR
FRONT KNOCK SENSOR (KS2)
REAR KNOCK SENSOR (KS1)
AIR CLEANER (ACL)
FUEL INJECTOR
FUEL PRESSURE REGULATOR
FUEL FILTER
FUEL PUMP (FP)
FUEL TANK
ONBOARD REFUELING VAPOR RECOVERY (ORVR)
VAPOR RECIRCULATION VALVE
INTAKE AIR BYPASS (IAB) CHECK VALVE
INTAKE AIR BYPASS (IAB) VACUUM TANK
INTAKE AIR BYPASS (IAB) CONTROL SOLENOID VALVE
INTAKE AIR BYPASS (IAB) CONTROL DIAPHRAGM
Table of Contents
FRONT THREE WAY CATALYTIC CONVERTER (TWC)
REAR THREE WAY CATALYTIC CONVERTER (TWC)
POSITIVE CRANKCASE VENTILATION (PCV) VALVE
EXHAUST GAS RECIRCULATION (EGR) VALVE
EXHAUST GAS RECIRCULATION (EGR) VALVE LIFT SEN-
SOR
EXHAUST GAS RECIRCULATION (EGR) VACUUM CONTROL
VALVE
EXHAUST GAS RECIRCULATION (EGR) CONTROL
SOLENOID VALVE
EVAPORATIVE EMISSION (EVAP) CONTROL CANISTER
EVAPORATIVE EMISSION (EVAP) PURGE CONTROL
SOLENOID VALVE
EVAPORATIVE EMISSION (EVAP) CONTROL CANISTER
VENT SHUT VALVE
EVAPORATIVE EMISSION (EVAP) BYPASS SOLENOID
VALVE
EVAPORATIVE EMISSION (EVAP) TWO WAY VALVE
FUEL TANK PRESSURE SENSOR
THROTTLE BODY (TB)
RESONATOR
EVAPORATIVE EMISSION (EVAP) CONTROL CANISTER
FILTER
ONBOARD REFUELING VAPOR RECOVERY (ORVR) RECIR-
CULATION VALVE
AIR CONTROL SOLENOID VALVE
AIR CONTROL VALVE
AIR PUMP
Vacuum hose No.