Suzuki 2006 SX4, Service Manual

Page: 216 / 1478

1B-3 Aux. Emission Control Devices:
EVAP Canister Purge Valve and Its Circuit
Inspection
S6RW0C1206003
WARNING
!
Do not apply vacuum by mouth; otherwise
harmful fuel vapor can be breathed in.
CAUTION
!
Do not apply vacuum more than –86 kPa (–
12.47 psi); otherwise EVAP canister purge
valve could be damaged.
1) Prepare to operate EVAP canister purge valve as
follows.
a) When using SUZUKI scan tool:
i) Connect SUZUKI scan tool to DLC (1) with
ignition switch turned OFF and disconnect
purge valve vacuum hoses from intake
manifold and purge pipe.
ii) Turn ON ignition switch, clear DTC and
select “Active Test” mode on SUZUKI scan
tool.
Special tool
(A): SUZUKI scan tool (SUZUKI-SDT)
b) When not using SUZUKI scan tool:
NOTE
Before performed this check, be sure to read
the “Precautions of ECM Circuit Inspection in
Section 1A”.
i) Disconnect hoses from intake manifold and
purge valve chamber.
ii) Connect special tool between ECM and ECM
connector referring to “Inspection of ECM
and Its Circuits in Section 1A”.
iii) Turn ON ignition switch.
Using service wire, ground “C01-13” terminal
(1) circuit of special tool (valve ON: “B”) and
unground it (valve OFF: “A”).
2) Check purge valve (2) for operation and vacuum
passage for clog when valve is switched ON and
OFF by using SUZUKI scan tool or service wire.
If check result is not satisfactory, check hoses, EVAP
canister purge valve, wire harness and connections.
EVAP canister purge valve specification
Valve OFF [A]: When vacuum (–53 kPa (–7.69 psi)
to –67 kPa (–9.72 psi)) is applied to hose (1),
vacuum is maintained.
Valve ON [B]: When vacuum is applied to hose
(1), air goes into hose.
Special tool
(A): 09917–47011
(A)
1
I5RW0C110011-01
“A”
“B”
1
I7RW01120002-01
[A]
1
(A)
[B]
1
(A)
2 2
I7RW01120003-01