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

1B-3 Aux. Emission Control Devices:

Vacuum Hose Inspection

Check hoses for connection, leakage, clog and
deterioration.
Replace as necessary.
1. Purge hose (EVAP canister purge valve side)
2. Purge pipe (EVAP canister side)

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 air cleaner
assembly.
3) Check resistance between two terminals of EVAP
S6RW0D1206004 canister purge valve.
If resistance is not as specified, replace EVAP
canister purge valve.
EVAP canister resistance
30 – 34 Ω at 20 °C (68 °F)
4) With coupler disconnected, apply vacuum (–60 kPa
(–8.7 psi)) to pipe (1). If vacuum can be applied, go
to next step. If vacuum can not be applied, replace
EVAP canister purge valve.
5) In this state, connect 12 V-battery to EVAP 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.
WARNING
!
Do not suck the air through valve. Fuel vapor
inside valve is harmful.
I6RW0D120002-02
Special tool
(A): 09917–47011
S6RW0D1206005
6) Install EVAP canister purge valve to air cleaner
assembly.
(A)
1
(A)
1
I3RM0A120008-01
I3RB0A120007-01