Suzuki GW250, Руководство по обслуживанию, Страница: 192 / 478

FI SYSTEM DIAGNOSIS 4-51
Step 1
TO sensor power supply circuit check
1) Turn the ignition switch OFF.
2) Remove the seat. (

8-5)
3) Remove the TO sensor
1
and disconnect the TO sensor
coupler
2
. (

4-92)
4) Check for proper terminal connection to the TO sensor cou-
pler.
5) If connections are OK, turn the ignition switch ON.
6) Measure the voltage between the R wire and B/Br wire.

09900-25008: Multi circuit tester set

Tester knob indication: Voltage (

)

TO sensor power supply voltage:
4.5 – 5.5 V
(
+
terminal: R –
-
terminal: B/Br)
Is check result OK?
Step 2
TO sensor ground circuit check
1) Measure the voltage between the R wire and ground.

09900-25008: Multi circuit tester set

Tester knob indication: Voltage (

)

TO sensor power supply voltage:
4.5 – 5.5 V
(
+
terminal: R –
-
terminal: Ground)
Is check result OK?
1
YES Go to Step 3.
NO Go to Step 2.
V
1
YES Repair or replace the B/Br wire.
NO Repair or replace the R wire.
V
2