Vacuum Passage Inspection; Vacuum Hose And Purge Valve Chamber Inspection; Evap Canister Purge Valve Inspection - Suzuki 2006 SX4 Service Manual

Vacuum Passage Inspection

Start engine and run it at idle speed. Disconnect purge
hose No.3 (1) from EVAP canister purge valve (2). With
finger placed against disconnected hose, check that
vacuum is applied.
If it is not applied, clean vacuum passage by blowing
compressed air.
Vacuum Hose and Purge Valve Chamber
Inspection
Check hoses and purge valve chamber for connection,
leakage, clog and deterioration referring to "EVAP
System Components".
Replace as necessary.

EVAP Canister Purge Valve 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) With ignition switch turned OFF, disconnect coupler
and vacuum hoses from canister purge valve.
2) Remove EVAP canister purge valve from intake
manifold.
3) Check resistance between two terminals of EVAP
canister purge valve.
If resistance is as specified, proceed to next
operation check. If not, replace EVAP canister purge
valve.
EVAP canister purge valve resistance
22 – 26 Ω at 20 °C (68 °F)
S6RW0C1206004
4) Check EVAP canister purge valve for operation
2
using special tool as follows.
WARNING
!
Do not suck the air through valve. Fuel vapor
inside valve is harmful.
1
I5RW0A120003-01 Special tool
(A): 09917–47011
a) With coupler disconnected, apply vacuum (–53
S6RW0C1206005
b) In this state, connect 12 V-battery to EVAP
S6RW0C1206006
5) Install EVAP canister purge valve to intake manifold.
6) Connect coupler and vacuum hoses to canister
purge valve.
Aux. Emission Control Devices:
kPa (–7.69 psi) to –67 kPa (–9.72 psi)) to pipe
(1). If vacuum can be applied, go to next step. If
vacuum can not be applied, replace EVAP
canister purge valve.
canister purge valve terminals. If vacuum can not
be applied, EVAP canister purge valve is in good
condition.
If applied, replace EVAP canister purge valve.
1
1
1B-4
I3RM0A120008-01
(A)
(A)
I3RB0A120007-01