Suzuki GSX-R750 Service Manual page 207

Step 1 (When indicating P0115-L:)
1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. (5-3)
3) Check the ECT sensor coupler for loose or poor contacts.
If OK, then measure the output voltage.
4) Disconnect the ECT sensor coupler.
5) Check the continuity between B/Bl wire A and ground.
If the sound is not heard from the tester, the circuit condition
is OK.
 Tester knob indication: Continuity test ()
6) Connect the ECT sensor coupler and turn the ignition switch
ON.
7) Measure the voltage between B/Bl wire A and ground.
 ECT sensor output voltage: 0.15 – 4.85 V
 09900-25008: Multi-circuit tester set
09900-25009: Needle pointed probe set
 Tester knob indication: Voltage ()
Are the continuity and voltage OK?
YES Go to Step 2.
• B/BI wire shorted to ground
NO
• If wire is OK, go to Step 2.
8) After repairing the trouble, clear the DTC using SDS tool.
(4-27)
(+ B/BI – - Ground)
FI SYSTEM DIAGNOSIS
1
1
1
4-51
V