Suzuki GSX-R750 Service Manual page 179

Troubleshooting (When Indicating C44/P0130:)
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-15)".
Step
1 1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. Refer to "Fuel Tank
Removal and Installation in Section 1G (Page 1G-9)".
3) Check the HO2 sensor coupler (1) for loose or poor
contacts.
If OK, then check the HO2 sensor lead wire continuity.
4) Disconnect the HO2 sensor coupler.
5) Check the continuity between the W/G wire and O/W
wire. If the sound is not heard from the tester, the circuit
condition is OK.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity test (
Action
1
I837H1110144-01
)
(A)
I837H1110145-01
Engine General Information and Diagnosis:
Yes
Go to Step 2.
1A-107
No
W/G wire shorted to the
power source, or W/G
or B/Br wire open.