Suzuki VLR1800, Service Manual

Page: 147 / 624

Engine General Information and Diagnosis: 1A-78
Troubleshooting
CAUTION
!
When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with a
needle pointed tester probe to prevent terminal damage.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-14)”.
Step Action Yes No
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-6)”.
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)
Go to Step 2. Replace the injector
with a new one. Refer to
“Throttle Body
Disassembly and
Assembly in Section 1D
(Page 1D-12)”.
I822H1110077-01
(A)
I822H1110078-01