ENGINE AND EMISSION CONTROL -
Emission Control System
17-4
VACUUM CIRCUIT DIAGRAM
<4G1>
From
air
cleaner
Canister
Purge control
solenoid valve
(ON: Open)
EGR control
solenoid valve
(ON: Close)
Throttle body
P
E
A
Intake manifold
Fuel pressure
regulator
White
paint
mark
To
combustion
chamber
EGR valve
Red paint
mark
Vacuum hose colour
B: Black
G: Green
L: Light blue
R: Red
Y: Yellow
<4G9>
From
air
cleaner
Canister
Purge control
solenoid valve
(ON: Open)
EGR control
solenoid valve
(ON: Close)
Throttle body
Intake manifold
Fuel pressure
regulator
To
combustion
chamber
EGR valve
Vacuum hose colour
B: Black
G: Green
L: Light blue
Y: Yellow