Engine General Information and Diagnosis: 1A-72
P1651-L (Use of SDS)
1 8) Check the continuity between the B wire “B” and terminal
22. Also, check the continuity between B/Br wire “C” and
terminal 29.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test ( )
ECM coupler (Harness side)
Is the continuity OK?
Go to Step 2. B wire shorted to Vcc, or
B/Br wire open.
Step Action Yes No
“B”
“C”
“22”
(A)
(B)
“29”
I718H1110071-02
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the seat. Refer to “Exterior Parts Removal and
Installation (GSF650/S/A/SAK7) in Section 9D
(Page 9D-6)”.
3) Check the TO sensor coupler for loose or poor contacts.
If OK, then check the TO sensor lead wire continuity.
Go to Step 2. R or B wire open, or B
wire shorted to the
ground.
I717H1110021-02
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