Suzuki GSX-R1000 Service Manual page 210

4-52 FI SYSTEM DIAGNOSIS
Step 2
1) Turn the ignition switch ON.
2) Measure the injector voltage between Y/R wire and ground.
_ Injector voltage: Battery voltage
(cB VIR -
8
Ground)
NOTE:
Injector voltage can be detected only 3 seconds after ignition
switch is turned ON.
,mob
09900-25008: Multi circuit tester set
~ Tester knob indication: Voltage (::-:-::)
Is the voltage OK?
• GrlW, Gr/B,
Gr/Y,
Gr/R
or Y/R wire open or
shorted to ground, or poor @, @, @, ([) or @
connection.
YES
•
If wire and connection are OK, intermittent trou-
ble or faulty ECM.
•
Recheck each terminal and wire harness for
open circuit and poor connection.
NO Open circuit in the Y/R wire.
ECM couplers