Appendix E-Active Intake System (Japan Only - Buell 2005 FIREBOLT Service Manual

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ACTIVE INTAKE SYSTEM (JAPANESE MODELS ONLY) E.1
GENERAL
Active Intake System
(Japanese Models Only)
The active intake system utilizes a solenoid in the airbox
which is connected to the throttle valve via a cable. The throt-
tle valve is automatically closed by the solenoid under certain
conditions to reduce engine noise.
A code 22 will set if the ECM detects that the output for the
active intake control is not in agreement with the feedback
circuit (minimum TP sensor voltage when actuated).
Likely causes for a code 22 are:
Mechanical fault in the active intake solenoid, throttle
valve, or cable.
Electrical fault in the solenoid circuit.
Electrical fault in the throttle position sensor circuit.
When TPS reading is not between 10.4-10.9 when acti-
vated.
Diagnostic Notes
The reference numbers below correlate with the circled num-
bers on the Code 22 flow charts.
Using TEST CONNECTOR KIT (Part No. HD-41404), attach
Brown pin probe and patch cord to [179] (1,2).
VERIFY SETTINGS
1. Prior to verifying the active intake system, check the
throttle position sensor (TPS) zero and adjust if neces-
sary. See 1.20 THROTTLE POSITION SENSOR
2. Leave Digital Technician attached to vehicle.
3. In Digital Technician, go to Active Intake test screen.
4. Rotate throttle grip to wide open throttle (WOT).
a. Check that when the throttle plate reaches WOT,
TPS should read above 82°.
b. If not, see WOT CHECK
5. While holding the throttle wide open, activate the active
intake tab on Digital Technician.
a. Verify that the TPS setting is between 10.4-10.9
degrees.
b. If settings are not correct proceed to cable adjust-
ment procedure.
WOT CHECK
1. Remove cosmetic intake cover assembly and functional
air cleaner cover. See 2.34 INTAKE COVER ASSEMBLY
and 1.15 AIR CLEANER
2. While holding the throttle grip to the WOT position, verify
that the throttle plate is fully open.
If the throttle plate does not fully open, see
MENT this section.
2005 Buell Lightning: Appendix E
(TPS).
listed below.
FILTER.
CABLE ADJUST-
E-1