Dynojet POWER COMMANDER III USB EX User manual

i323-411EX 2005-2007 Suzuki C90 - PCIII USB EX - 1
2005-2007 SUZUKI
C90 BOULEVARD
I NSTALLATION I NSTRUCTIONS
Dynojet Research • 2191 Mendenhall Drive • North Las Vegas, NV 89081 • [phone]
DOWNLOAD THE POWER COMMANDER SOFTWARE AND LATEST MAPS FROM OUR WEBSITE:
WWW.POWERCOMMANDER.COM
P LEASE R EAD A LL D IRECTIONS B EFORE S TARTING I NSTALLATION
P ARTS L IST
quantity description
1 power commander EX
1 USB cable
1cd-rom
1 installation guide
1 power adapter
2 power commander decal
2 dynojet decal
2 velcro strip
1 alcohol swab
1wiretap USB port
expansion port

i323-411EX
2005-2007 Suzuki C90 - PCIII USB EX - 2
The ignition must be turned OFF before
installation.
1 Remove the main seat and the passenger seat.
2 Remove the center gauge cluster as shown in
Figure A.
3 Remove the right and left cosmetic covers as
shown in Figure B.
4 Remove the air box by loosening the two hose
clamps and disconnecting the air box temp
sensor harness.
5 Unplug the wiring harness from each injector
as shown in Figure C.
6 Temporarily lay the PCIII USB EX on top of the
front valve cover.
Figure AFigure BFigure C
remove these bolts
remove these
bolts
remove these
covers
unplug this
connector
unplug this
connector

i323-411EX
2005-2007 Suzuki C90 - PCIII USB EX - 3
7 Attach the orange wires from the PCIII USB EX
to the stock wiring harness and front injector
as shown in Figure D.
8 Attach the yellow wires from the PCIII USB EX
to the stock wiring harness and rear injector as
shown in Figure E.
9 Locate the Throttle Position Sensor (TPS) on
the right hand side of the throttle bodies as
shown in Figure F.
10 Disconnect the wiring harness from the TPS.
Figure DFigure EFigure F
PCIII USB EX
connectors
stock
connector
stock
connector
PCIII USB EX
connectors
unplug this
connector

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2005-2007 Suzuki C90 - PCIII USB EX - 4
11 Crimp the supplied wire tap to the blue/black
wire.
12 Attach the grey wire from the PCIII USB EX to
the wire tap as shown in Figure G.
Note: It is recommended to use dielectric
grease on these connections.
13 Attach the TPS connector back to the throttle
body.
14 Unscrew the front bolt that holds the ignition
coil to the frame. Screw the bolt back in
through the ground wire from the
PCIII USB EX as shown in Figure H.
15 Reinstall the air box.
16 Secure the PCIII USB EX to the bottom side of
the air box using the supplied velcro. Make
sure to clean both surfaces with the alcohol
swab first.
17 Reinstall the removed bodywork.
18 Insert the cd provided into your computer’s
cd-rom drive.
19 Follow the on-screen instructions to install the
PCIII USB EX software.
Visit www.powercommander.com to download
software tutorials and the latest maps.
Figure GFigure HFigure I
wire tap
grey wire from
PCIII USB EX
ground wire
PCIII USB EX