Suzuki 2000 Grand Vitara SQ625 Service Manual page 214

4) With ignition switch OFF, disconnect coupler from EVAP canis-
ter purge valve.
5) Check resistance between two terminals of EVAP canister
purge valve.
Resistance of EVAP canister purge valve:
28 – 36 W at 20_C (68_F)
W
If resistance is as specified, proceed to next operation check.
If not, replace.
6) With coupler disconnected, blow into hose "A". Air should not
come out of hose "B".
If not, replace EVAP canister purge valve.
7) Connect 12 V-battery to solenoid purge valve terminals. In this
state, blow hose "A".
Air should come out of hose "B".
WARNING:
Do not suck the air through valve. Fuel vapor inside
valve is harmful.
If check result is as specified above, check EVAP canister purge
valve harness.
If not, replace EVAP canister purge valve.
8) Connect vacuum hoses.
9) Connect EVAP canister purge valve coupler securely.
ENGINE (H25 ENGINE) 6-1-103