FI SYSTEM DIAGNOSIS 4-31
Step 1
CKP sensor signal circuit check
1) Turn the ignition switch OFF.
2) Remove the seat and right frame cover. (
8-4 and 8-5)
3) Disconnect the CKP sensor coupler
1
and ECM couplers
2
.
4) Check for proper terminal connection to the CKP sensor cou-
pler and ECM couplers.
5) If connections are OK, check the following points.
• Resistance
09900-25008: Multi circuit tester set
09900-25009: Needle-point probe set
Tester knob indication: Resistance (
)
– Between G wire and B wire of CKP sensor coupler and
ECM coupler: less than 1
– Between the G wire or B wire and ground: infinity
1
1
1
1
