Suzuki VLR1800 Service Manual page 104

1A-35 Engine General Information and Diagnosis:
Step
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 wires "A" (#1 and
#2) and terminal "11".
Also, check the continuity between the Bl/R wire "B" and
terminal "26" (#2), or G/B wire "B" and terminal "9" (#1).
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)
"9"
"26"
(Black)
Is the continuity OK?
Action
)
"A"
(A)
"11"
(Gray)
Yes
Go to Step 2.
I822H1110021-02
No
• R and Bl/R or G/B
wire open.
• Bl/R or G/B wire
shorted to ground.