Suzuki RMX450Z Service Manual page 112

1A-43 Engine General Information and Diagnosis:
Step
1 7) Check the continuity between the G/B wire "C" and
terminal "6".
If OK, then check the continuity between the B/Br wire
"B" and terminal "24".
Special tool
(A): 09900–25008 (Multi circuit tester set)
(B): 09900–25009 (Needle-point probe set)
Tester knob indication
Continuity test (
ECM coupler (Harness side)
"B"
Is the continuity OK?
Action
)
"C"
(A)
(B)
"6"
"24"
IA02J1110037-02
Yes
Go to Step 3.
No
G/B wire shorted to
VCC, or B/Br wire open.