Suzuki GSF1250 Service Manual page 103

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Step
3
1) Connect the ECM coupler.
2) Turn the ignition switch ON.
3) Measure the input voltage at the B wire and ground with
the needle pointed probes.
If OK, the measure the input voltage at the B wire and B/
Br wire.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage (
)
IAP sensor input voltage (No.1)
4.5 – 5.5 V
((+) terminal: B – (–) terminal: Ground,(+) terminal: B
– (–) terminal: B/Br)
Is the voltage OK?
Action
(A)
I718H1110258-01
Engine General Information and Diagnosis:
Yes
Go to Step 4.
1A-34
No
Open or short circuit in
the B wire or B/Br wire.

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