Suzuki Boulevard M50, Service Manual

Page: 201 / 454

5-44 FI SYSTEM
Step 1 (When indicating P0115-L:)
1) Remove the fuel tank. (

6-3)
2) Turn the ignition switch OFF.
3) Check the ECT sensor coupler for loose or poor contacts.
If OK, then check the ECT sensor lead wire continuity.
4) Disconnect the ECT sensor coupler.
5) Check the continuity between B/Bl wire
1
and ground.
6) If the sound is not heard from the tester, the circuit condition is
OK.

Tester knob indication: Continuity test (

)
7) Connect the ECT sensor coupler.
8) Turn the ignition switch ON.
9) Measure the voltage between B/Bl wire
1
and ground.

Output voltage: 0.1 – 4.6 V (
+
B/Bl –
-
Ground)

09900-25008: Multi-circuit tester set
09900-25009: Needle pointed probe set

Tester knob indication: Voltage (

)
Are the continuity and voltage OK?
10)After repairing the trouble, clear the DTC using SDS tool.
(

5-25)
1
1
YES Go to Step 2.
NO B/Bl wire shorted to ground.
1
V
SA
MP
LE