Acura RL (1996-2004 year). Manual — part 360
![](/vehicles/shign/ecital/fofa/hepos.png)
System Description
Vacuum Connections
'96 - 99 models:
CONTROL BOX
EXHAUST GAS RECIRCULATION
(EGR) VALVE and LIFT SENSOR
INTAKE AIR
BYPASS (IAB)
HIGH CONTROL
SOLENOID VALVE
MANIFOLD
ABSOLUTE
PRESSURE (MAP)
SENSOR
INTAKE
AIR
BYPASS (IAB)
VACUUM
TANK
INTAKE AIR
BYPASS (IAB) LOW
CONTROL SOLENOID VALVE
ENGINE MOUNT
CONTROL SOLENOID
VALVE
INTAKE AIR
BYPASS (IAB)
CHECK VALVE
FRONT OF
VEHICLE
EVAPORATIVE
EMISSION
(EVAP) CONTROL
CANISTER VENT
SHUT VALVE
EVAPORATIVE EMISSION
(EVAP) CONTROL
CANISTER
INTAKE AIR
BYPASS (IAB) LOW
CONTROL DIAPHRAGM VALVE
Vacuum hose No.
To RIGHT
ENGINE MOUNT
EVAPORATIVE EMISSION
(EVAP)
PURGE CONTROL
SOLENOID VALVE
To LEFT
ENGINE
MOUNT
TANK
(CRUISE
CONTROL)
To
VACUUM
FUEL
PRESSURE
REGULATOR
INTAKE AIR
BYPASS (IAB) HIGH
CONTROL DIAPHRAGM VALVE
Main Menu
Table of Contents
![](/vehicles/shign/ecital/fofa/plybrengana.png)
System Description
Vacuum Connections (cont'd)
INTAKE MANIFOLD
RUNNER CONTROL (IMRC)
SOLENOID VALVE 2
EXHAUST GAS RECIRCULATION
(EGR) VALVE and POSITION SENSOR
MANIFOLD
ABSOLUTE
PRESSURE (MAP)
SENSOR
INTAKE
MANIFOLD
RUNNER CONTROL
(IMRC)
VACUUM
RESERVOIR
INTAKE
MANIFOLD
RUNNER CONTROL
(IMRC)
CHECK VALVE
INTAKE MANIFOLD
RUNNER CONTROL (IMRC)
SOLENOID VALVE 1
ENGINE MOUNT
CONTROL SOLENOID
VALVE
INTAKE MANIFOLD
RUNNER CONTROL (IMRC)
DIAPHRAGM 2
INTAKE MANIFOLD
RUNNER CONTROL (IMRC)
DIAPHRAGM 1
FUEL
PRESSURE
REGULATOR
To
EVAPORATIVE EMISSION
(EVAP) CANISTER
FRONT OF
VEHICLE
To RIGHT
ENGINE MOUNT
To LEFT
ENGINE
MOUNT
EVAPORATIVE EMISSION
(EVAP)
CANISTER PURGE
VALVE
Vacuum hose No.
VACUUM
TANK
(CRUISE
CONTROL)
To
'00 - 04 models:
Main Menu
Table of Contents
![](/vehicles/shign/ecital/fofa/zkeandifaref.png)
Control Box:
EXHAUST GAS RECIRCULATION
(EGR) VALVE VACUUM CONTROL SOLENOID VALVE
EXHAUST GAS RECIRCULATION (EGR)
VALVE VACUUM CONTROL VALVE
PRESSURE REGULATOR VACUUM CONTROL
SOLENOID VALVE
Vacuum hose No.
For Troubleshooting of DTC related components, see chart on page
.
Main Menu
Table of Contents
![](/vehicles/shign/ecital/fofa/yeas.png)
System Description
Vacuum Connections (cont'd)
'96 - 99 models:
LEFT PRIMARY HEATED OXYGEN SENSOR (LEFT PRIMARY
HO2S) (BANK 2, SENSOR 1)
RIGHT PRIMARY HEATED OXYGEN SENSOR (RIGHT PRIMA-
RY HO2S) (BANK 1, SENSOR 1)
SECONDARY HEATED OXYGEN SENSOR (SECONDARY
HO2S) (SENSOR 2)
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
INTAKE AIR TEMPERATURE (IAT) SENSOR
LEFT KNOCK SENSOR (LEFT KS) (BANK 2)
RIGHT KNOCK SENSOR (RIGHT KS) (BANK 1)
IDLE AIR CONTROL (IAC) VALVE
FAST IDLE THERMO VALVE
THROTTLE BODY (TB)
IDLE ADJUSTING SCREW
FUEL INJECTOR
FUEL PULSATION DAMPER
FUEL FILTER
FUEL PRESSURE REGULATOR
FUEL PRESSURE REGULATOR CONTROL SOLENOID VALVE
FUEL PUMP (FP)
FUEL TANK
FUEL TANK EVAPORATIVE EMISSION (EVAP) VALVE
AIR CLEANER
RESONATOR
INTAKE AIR BYPASS (IAB) CHECK VALVE
INTAKE AIR BYPASS (IAB) VACUUM TANK
INTAKE AIR BYPASS (IAB) LOW CONTROL SOLENOID
VALVE
INTAKE AIR BYPASS (IAB) LOW CONTROL DIAPHRAGM
VALVE
INTAKE AIR BYPASS (IAB) HIGH CONTROL SOLENOID
VALVE
INTAKE AIR BYPASS (IAB) HIGH CONTROL DIAPHRAGM
VALVE
EXHAUST GAS RECIRCULATION (EGR) VACUUM CONTROL
VALVE
EXHAUST GAS RECIRCULATION (EGR) CONTROL
SOLENOID VALVE
EXHAUST GAS RECIRCULATION (EGR) VALVE and LIFT
SENSOR
POSITIVE CRANKCASE VENTILATION (PCV) VALVE
EVAPORATIVE EMISSION (EVAP) PURGE CONTROL
SOLENOID VALVE
EVAPORATIVE EMISSION (EVAP) CONTROL CANISTER
EVAPORATIVE EMISSION (EVAP) THREE WAY VALVE
EVAPORATIVE EMISSION (EVAP) CONTROL CANISTER
VENT SHUT VALVE
EVAPORATIVE EMISSION (EVAP) TWO WAY VALVE
EVAPORATIVE EMISSION (EVAP) BYPASS SOLENOID
VALVE
FUEL TANK PRESSURE SENSOR
THREE WAY CATALYTIC CONVERTER (TWO
ENGINE MOUNT CONTROL SOLENOID VALVE
Vacuum hose No.
Main Menu
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