Acura RL (1996-2004 year). Manual - part 360

System Description

Vacuum Connections

'96 - 99 models:

CONTROL BOX

page 

11-11

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

System Description

Vacuum Connections (cont'd)

CONTROL BOX
page 

11-11

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

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 

11-53

.

Main Menu

Table of Contents

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.

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