Buell 2002 S3T Service Manual page 234

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Diagnostic Check (Part 2 of 2)
Continued from
2
Remove ECM connectors [10B] (BK) and [11B]
(GY). Check for continuity to ground at data link
connector [91A] Terminals 1, 3 and 4. Continu-
YES
Repair short
to ground.
7115
YES
Check Scanalyzer on
another vehicle.
Scanalyzer OK?
YES
Replace ECM. See 4.29
ELECTRONIC CONTROL
MODULE.
7125
Diagnostic Check (Part 1 of 2).
ity to ground?
Test the four data link connector terminals against
2
their ECM connector pins for continuity.
DATA LINK TERMINAL
3
Pin Wire Color
1 Lt. GN/R
2 BK
3 V/R
4 GY
Continuity present in all four circumstances?
Inspect terminals
for damage or repair
opens as necessary.
Scanalyzer
malfunction.
NO
ECM TERMINAL
Pin Connector
11 [11B]
11 [10B]
12 [11B]
1 [10B]
NO
7120
NO
2002 Buell S3T: Fuel System 4-19