Suzuki AN400 Service Manual page 116

1A-53 Engine General Information and Diagnosis:
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 the terminal damage or terminal bend.
NOTE
• After repairing the trouble, clear the DTC using SDS tool. Refer to "Use of SDS Diagnosis Reset
Procedures (Page1A-15)".
• Injector voltage can be detected only for 3 seconds after ignition switch ON.
Step
1 1) Turn the ignition switch OFF.
2) Remove the helmet box front cover. (Refer to "Helmet
Box Front Cover Removal and Installation in Section 9D
(Page9D-16)".)
3) Check the injector coupler (1) for loose or poor contacts.
If OK, then measure the injector resistance.
4) Disconnect the coupler and measure the resistance
between terminals.
Injector resistance
Approx. 10.3 Ω at 20 °C (68 °F) (Terminal – Terminal)
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
Action
1
I705H1110081-01
(A)
I705H1110082-01
Yes
Go to Step 2.
No
Replace the injector
with a new one. (Refer
to "Throttle Body
Disassembly and
Assembly in Section 1D
(Page1D-13)".)