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EVAP Canister Purge Valve and Its Circuit
Inspection
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 EVAP canister.
ii) Turn ON ignition switch, clear DTC and
select "MISC TEST" mode on SUZUKI scan
tool.
Special tool
(A): SUZUKI scan tool
(A)
S7RS0B1206002
2) Check purge valve for operation and vacuum
1
I4RS0B120003-03
Aux. Emission Control Devices:
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 purge valve vacuum hoses from
intake manifold and EVAP canister.
ii) Remove ECM from its bracket referring to
"ECM Removal and Installation in Section
1C".
iii) Connect special tool between ECM and ECM
connector referring to "Inspection of ECM
and Its Circuits in Section 1A"
iv) Turn ON ignition switch.
Using service wire, ground "C37-29" terminal
circuit of special tool (valve ON: "B") and
unground it (valve OFF: "A").
"C37-29"
"B"
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 vacuum
hoses, EVAP canister purge valve, wire harness and
connections.
EVAP canister purge valve specification
[A] Valve OFF: When vacuum (–60 kPa (–8.7 psi))
is applied to hose (1), vacuum can be applied.
[B] Valve ON: When vacuum is applied to hose
(1), vacuum can not be applied.
Special tool
(A): 09917–47011
[A]
(A)
1
1B-2
"A"
I4RS0B120006-02
[B]
(A)
1
I3RB0A120005-02
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