Suzuki Intruder VZ1500 Service Manual page 103

Step
2 7) Check the continuity between the P/B wire "A" and
terminal "21".
Also, check the continuity between the B/Br wire "B" and
terminal "12".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
ECM coupler (Harness side)
"B"
(B)
"21"
Is the continuity OK?
Action
)
"A"
(A)
"12"
Engine General Information and Diagnosis:
Yes
Go to Step 3.
I940H1110026-02
1A-36
No
P/B wire shorted to
VCC, or B/Br wire open.