Buell 2005 P3, Service Manual, Page: 418 / 426

7-66 2005 Buell P3: Electrical
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Speedometer Test: Chart 2A
INOPERATIVE, INACCURATE OR ERRATIC SPEEDOMETER
Figure 7-89. Speedometer Test Chart 2A
Turn ignition ON.
Is speedometer backlighting on?
YES
Enable diagnostic mode and
clear codes. Recheck for
codes. Any codes present?
NO
If speedometer backlighting is
not on, check for 9-12 VDC on
the O/W wire at connector
[39B]. Proper voltage present?
NO YES
Check continuity to
ground on BK wire at
[39B].
Is continuity present?
Return speedometer to normal state. Turn
ignition ON. Spin back tire. Enable diagnostic
mode and check for codes.
Codes present?
Program steady input fre-
quency on tester and observe
output speed on speedometer
while moving/shaking vehicle
harness connections. Outputs
erratic?
YES
Replace
speedometer.
Bad connection
found. Repair con-
nector or harness.
YES
NO
YES
Go to
Speedometer Test:
Chart 2B .
STOP
6008
6004 6006
6008
Go to applicable
code in chart (d0x).
YES
NO
1
2
1
3
Locate and repair
open in O/W wire.
NO
Locate and repair
open in BK wire.
6008
Replace
speedometer.
6014
YES
Repair harness/
connections.
NO
Hook up speedometer tester.
Verify that tester battery is OK.
Perform speed sweep function and
specified speed inputs with tester and
observe output speed and odometer/trip
meter change on speedometer.
Does speedometer appear to function
normally and follow sweeping
frequency input?
6008
Check 3-pin vehicle speed connector
and wires for damage. Connector or
wire damage found?
NO
Repair as
necessary.
YES
NO
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