Suzuki SFV650 Service Manual page 94

1A-31 Engine General Information and Diagnosis:
When indicating C13 for IAP sensor (#2) / When indicating C17 for IAP sensor (#1) (Use of mode select switch)
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-7)".
3) Check the IAP sensor couplers (#1 cylinder (1) or #2
cylinder (2)) for loose or poor contacts.
If OK, then measure the IAP sensor input voltage.
2
4) Disconnect the IAP sensor couplers.
5) Turn the ignition switch ON.
6) Measure the voltage between the R wire and ground.
If OK, then measure the voltage between the R wire and
B/Br wire.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage ( )
IAP sensor input voltage
4.5 – 5.5 V
((+) terminal: R – (–) terminal: Ground, (+) terminal: R
– (–) terminal: B/Br)
V
Is the voltage OK?
Action
1
I944H1110015-01
(A)
I823H1110016-05
Yes
Go to Step 2.
No
Open circuit in the R or
B/Br wire.