Buell 2008 XB SERIES Electrical Diagnostics Manual page 70

Diagnostic Check (Part 2 of 2)
2-20 2008 Buell XB Diagnostics: Engine Management
Continued from Diagnostic Check (Part 1 of 2).
Remove Electronic Control Module (ECM) connectors
[10B] (Black) and [11B] (Gray). Check for continuity
2
to ground at data link connector [91A] terminals "1",
"3" and "4".
Continuity to ground?
YES
Repair short
to ground.
2
3
YES
Replace ECM.
NOTE: After replacing ECM or TPS,
the TPS zero set procedure must be
performed. Refer to THROTTLE
POSITION SENSOR in the appropriate
BUELL SERVICE MANUAL.
NO
Test the four data link connector terminals against
their ECM connector terminals for continuity.
DATA LINK TERMINAL DATA LINK TERMINAL
Pin Wire Color Pin
1 (LGN/R) 15
2 (BK/W) 19
3 (V/R) 16
4 (GY) 9
Continuity present in all four circumstances?
NO
Inspect terminals
for damage or repair
opens as necessary.
Connector
[11B]
[11B]
[11B]
[10B]
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