Buell 2004 XB9S, Service Manual, Page: 96 / 597

2004 Buell Lightning: Maintenance 1-47
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THROTTLE POSITION SENSOR (TPS) 1.20
INSPECTION
1. Connect vehicle to Digital Technician.
2. Select data monitor screen.
3. Select TP degrees on screen.
4. Ignition and run switch should be in the on position with
engine off and throttle in the closed position.
NOTE
If closed throttle TP degree reading is not between 5.1° - 6.2°,
TPS should be re-calibrated. See ADJUSTMENT below.
ADJUSTMENT
1. Connect vehicle to Digital Technician.
2. Select calibrations screen/TPS Function.
3. Select Buell TPS zero tab.
4. Select TP volts on screen.
5. See Figure 1-56. Back off idle adjustment until TP volts
stop decreasing and then continue to back out one full
turn.
6. Open and snap shut throttle control grip 2-3 times.
NOTE
This is to ensure that the throttle plate is completely closed
before beginning recalibration.
7. With ignition and run switch in the on position with
engine off and throttle in the closed position press the
TPS zero button at the bottom of the screen.
8. Select TPS zero button and perform TPS zero.
NOTE
When calibration is complete, dialogue box will appear on
Digital Tech screen with message display “Command Sent
Successfully”. Press OK.
9. Turn idle adjustment cable screw clockwise until TPS
degrees read 5.2-5.6 degrees.
10. Run vehicle until engine temperature is at 285
°
F (140°
C).
11. Set idle to 1050-1150 RPM.
Figure 1-56. Idle Adjuster (behind left fork)
8390