Suzuki GSX-R1000 Service Manual page 187

Step2
1) Disconnect the CKP sensor coupler.
2) Crank the engine a few seconds with the starter motor, and
measure the CKP sensor peak voltage at the coupler.
_ CKP sensor peak voltage: 0.5 V and more
«(±)
Black -
8
Green)
3) Repeat the above test procedure a few times and measure
the highest peak voltage.
If OK, then measure the CKP sensor peak voltage at the
ECM terminals. (@l- @)
igh
09900-25008: Multi circuit tester set
QWJ
Tester knob indication: voltage (=-=-:)
Is the voltage OK?
•
Black or Green wire open or shorted to ground,
or poor @l or @ connection.
•
If wire and connection are OK, intermittent trou-
YES
ble or faulty ECM.
•
Recheck each terminal and wire harness for
open circuit and poor connection.
•
Loose or poor contacts on the CKP sensor cou-
NO pier or ECM coupler.
•
Replace the CKP sensor with a new one.
FI SYSTEM DIAGNOSIS 4-29
ECM couplers