ENGINE AND EMISSION CONTROL –
VACUUM CIRCUIT DIAGRAM
<GDI>
To
combustion
chamber
Vacuum hose colour
B: Black
R: Red
<MPI>
To
combustion
chamber
Fuel
pressure
regulator
Vacuum hose colour
B: Black
G: Green
L: Light blue
R: Red
Y: Yellow
Intake manifold
Throttle body
P
Purge control
solenoid valve
(ON: OPEN)
Intake manifold
Throttle body
E
P
Vacuum sensor
(Manifold absolute
pressure sensor)
Canister
Purge control
solenoid valve
(ON: OPEN)
Emission Control System
From air
cleaner
Canister
From air
cleaner
A
EGR control
solenoid valve
(ON: CLOSE)
EGR valve
17-9