Suzuki VLR1800, Service Manual

Page: 131 / 624

Engine General Information and Diagnosis: 1A-62
1 6) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
7) Insert the needle pointed probes to the lead wire coupler.
8) Check the continuity between the R wire “C” and
terminal “11”.
Also, then check the continuity between B wire “A” and
terminal “22”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
)
ECM coupler (Harness side)
Is the continuity OK?
Go to Step 2. R or B wire open, or B
wire shorted to ground.
Step Action Yes No
(Black)
(Gray)
(A)
“A”
“C”
“11”
“22”
I822H1110053-03