Electronic Control Module - Buell 2003XB9S Service Manual

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ELECTRONIC CONTROL MODULE

GENERAL
See Figure 4-64. The Electronic Control Module (ECM) is
located under the seat.
REMOVAL
1. Remove seat. See 2.41
1 1
WARNING WARNING
Always disconnect the negative battery cable first. If the
positive cable should contact ground with the negative
cable installed, the resulting sparks may cause a battery
explosion which could result in death or serious injury.
2. Disconnect and remove battery. See
MAINTENANCE.
3. Disconnect ECM black connector [10] and gray connec-
tor [11].
4. Remove the two fasteners to detach electronic control
module from bracket.
INSTALLATION
1. Align holes in ECM with those in electrical bracket. Install
two fasteners and tighten to 48-72 in-lbs (5.4-8 Nm).
2. Attach ECM connectors [10] and [11].
1 1
WARNING WARNING
Always connect the positive battery cable first. If the pos-
itive cable should contact ground with the negative cable
installed, the resulting sparks may cause a battery explo-
sion which could result in death or serious injury.
3. Install battery by threading positive cable (red) into
threaded hole first tightening to 72-96 in-lbs (8-11 Nm).
See 1.5 BATTERY MAINTENANCE.
4. Connect negative battery cable.
1 1
WARNING WARNING
After installing seat, pull upward on front of seat to be
sure it is locked in position. If seat is loose, it could shift
during vehicle operation and startle the rider, causing
loss of control which could result in death or serious
injury.
5. Install seat. See 2.41 SEAT.
NOTE
If the ECM was replaced with a new component, it will be
necessary to recalibrate Throttle Position Sensor. Throttle
position sensor can only be calibrated using DIGITAL TECH-
NICIAN (Part No. HD-44750).
SEAT.
1.5 BATTERY
8891
Figure 4-64. ECM
2003 Buell XB9S: Fuel System
4.29
4-89