Inoperative, Inaccurate Or Erratic Speedometer - Buell XB9R 2003 Service Manual

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Speedometer Test: Chart 2A

INOPERATIVE, INACCURATE OR ERRATIC SPEEDOMETER

Perform speed sweep function and specified
inputs with tester and observe output speed
and odometer/trip odometer change on
Does speedometer appear to function
YES
Program steady input
frequency on tester and
observe output speed on
speedometer while
moving/shaking vehicle
harness connections.
Output erratic?
YES
Bad connection
found. Repair con-
nector or harness.
6008
NO
STOP
Go to
Speedometer Test:
Chart 2B.
Problem #2: Speedometer inoperative, reading high/low,
Check Accessory Fuse. Fuse OK? No, replace Fuse (code 6032).
Yes, Turn ignition ON. Is speedometer backlighting on?
YES
Hook up speedometer tester.
See TESTING. Verify that
tester battery is OK.
speedometer.
normally and follow sweeping
frequency input?
NO
Check 3-pin vehicle speed sen-
sor connector and wires for
damage. Connector or wire
damage found?
YES NO
Repair as Replace
necessary. instrument module.
6004
or needle sticking/intermittent/erratic.
YES
Check for continuity to
ground on BK wire at terminal
on back of instrument module.
Continuity present?
YES
Replace
instrument module.
6006
DIAGNOSTIC NOTES
Low battery voltage on speedometer tester
may cause inaccurate test results. Make
sure speedometer tester battery is fully
charged.
If necessary, remove vehicle speed sensor
and check for accumulation of debris. If
debris is not present, replace sensor. If
debris is present, clean sensor and repeat
test. Replace if necessary.
2003 Buell XB9R: Electrical
NO
If speedometer backlighting is
not on, check for 9-12 VDC
on O/W wire at terminal on
back of speedometer.
Voltage present?
NO
Locate and repair
open in O/W wire.
6008
NO
Locate and repair
open in O/W wire.
6008
6006
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