Buell 2003XB9S Service Manual page 572

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Speedometer Test: Chart 2B
INOPERATIVE, INACCURATE OR ERRATIC SPEEDOMETER
Continued from
Check for 4-6 VDC on R/W wire in vehicle speed sensor con-
(O/W wire) and ground terminal (BK
wire) voltage at back of instrument
module. Test voltage while shaking
Speedometer Test: Chart 2A.
nector [65B]. Voltage present?
YES
Check for continuity to ground
on BK wire in connector [65B].
Continuity present?
YES
Check for voltage on W wire
in connector [65B]. While
connected, meter should read
4-6 VDC when gear tooth
absent and 0-1 VDC when gear
tooth present. Does it?
YES
Check instrument module power
harness. Does voltage fluctuate?
YES
Repair as necessary.
6008
Check for open/
grounded wires.
Wires OK?
NO
Check for open Replace
wires. Wires OK? instrument module.
YES
Replace Repair
instrument module. wires.
6022
NO
4-6 VDC is
not present.
Replace
instrument module
6022
NO
Check for spark plug wire terminals properly
seated onto spark plugs and secondary coil
terminals. Check for wear points on spark
plug wires where insulation may be
damaged. Does damage exist?
YES
Repair as necessary.
6016
YES
System OK.
6029
NO
YES NO
Repair
wires.
6022
NO
6013
NO
4-6 VDC is present,
but no flunctuation
to 0-1 VDC.
Replace vehicle speed
sensor.
NO
Check speedometer speed
sensor. Clean or replace sen-
sor as required. Retest.
Problem solved?
NO
Replace
instrument module.
6024
2003 Buell XB9S: Electrical
6013
6010
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