Suzuki VL800 Service Manual page 400

14-48 VL800K5 ('05-MODEL)
Step 2
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: 4.0 V and more
3) Repeat the above test procedure a few times and measure
the highest peak voltage.
" 09900-25008: Multi-circuit tester set
& Tester knob indication: Voltage (')
Is the voltage OK?
• Brown or G/Y wire open or shorted to ground,
or poor 9 or Q connection.
• If wire and connection are OK, intermittent trou-
ble or faulty ECM.
YES
• Recheck each terminal and wire harness for
open circuit and poor connection.
• Replace the ECM with a known good one, and
inspect it again.
• Loose or poor contacts on the CKP sensor cou-
NO pler or ECM coupler.
• Replace the CKP sensor with a ew on .
4) After repairing the trouble, clear the DTC using SDS tool.
($14-39)
(+ Green – - Blue)
1 Peak volt adaptor
2
Wire harness side
V