Suzuki Intruder VZ1500 Service Manual page 139

Step
1 1) Turn the ignition switch OFF.
2) Remove the air cleaner chamber. Refer to "Air Cleaner
Chamber Removal and Installation in Section 1D
(Page 1D-7)".
3) Check the primary fuel injector coupler for loose or poor
contacts.
If OK, then measure the injector resistance.
4) Disconnect the injector coupler and measure the
resistance between terminals.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
Injector resistance
11 – 13 Ω at 23 °C (73 °F)
(Terminal – Terminal)
Action
I940H1110061-01
(A)
I940H1110062-03
Engine General Information and Diagnosis:
Yes
Go to Step 2.
1A-72
No
Replace the injector
with a new one. Refer to
"Throttle Body
Disassembly and
Assembly in Section 1D
(Page 1D-14)".