Dynojet PCV I25-028 Troubleshooting guide

2016 Ski-Doo 1200 PCV - 1I25-028 www.powercommander.com
Installation Instructions
PLEASE READ ALL DIRECTIONS BEFORE STARTING INSTALLATION
THE IGNITION MUST BE TURNED
OFF BEFORE INSTALLATION!
YOU CAN ALSO DOWNLOAD THE
POWER COMMANDER SOFTWARE AND
LATEST MAPS FROM OUR WEB SITE AT:
www.powercommander.com
2191 Mendenhall Drive North Las Vegas, NV 89081 [phone] www.powercommander.com
PARTS LIST
1 Power Commander
1 USB Cable
1 Installation Guide
2 Power Commander Decals
2 Dynojet Decals
2 Velcro Strip
1 Alcohol Swab
3 Zip Tie
2 Posi-tap
2016 Ski-Doo 1200
Snowmobile

I25-028 www.powercommander.com 2016 Ski-Doo 1200 PCV - 2
EXPANSION PORTS 1 & 2
Optional Accessories such as
Color LCD unit or Auto tune kit.
POWER COMMANDER V
INPUT ACCESSORY GUIDE
Map- The PCV has the ability to hold two different
base maps. You can switch on the fly between
these two base maps when you connect
a switch to the MAP inputs. You can use
any open/close type switch. The polarity of
the wires is not important. When using the
Autotune kit, one position will hold a base map
and the other position will let you activate the
learning mode. When the switch is “CLOSED”
Autotune will be activated.
Shifter- Not used for snowmobiles.
Speed- If your application has a speed sensor then
you can tap into the signal side of the sensor
and run a wire into this input. This will allow
you to calculate gear position in the Control
Center Software. Once gear position is setup
you can alter your map based on gear position
and setup gear dependent kill times when
using a quickshifter.
Analog- This input is for a 0-5v signal such as
engine temp, boost, etc. Once this input
is established you can alter your fuel curve
based on this input in the control center
software.
Crank- Do NOT connect anything to this port unless
instructed to do so by Dynojet. It is used to
transfer crank trigger data from one module to
another.
ACCESSORY INPUTS
PCV Wire Connections
1. Remove the rubber plug on the backside of the
unit and loosen the screw for the corresponding
input.
2. Using a 22-24 gauge wire, strip about 10mm
from its end.
3. Push the wire into the hole of the PCV until it
stops and then tighten the screw.
4. Make sure to reinstall the rubber plug.
Note: If you tin the wires with solder it will make
inserting them easier.
CRANK
ANALOG
SPEED
MAP
MAP
SHIFTER
SHIFTER
USB CONNECTION

I25-028 www.powercommander.com 2016 Ski-Doo 1200 PCV - 3
1 Release the straps securing the side panels as shown in Figure A.
2 Remove the front cover as shown in Figure B.
3 With the side panels open and front covers removed, loosen the necessary
bolts on the airbox to lift the air box and headlight assembly off of the engine.
Leave the airbox and headlight on the sled, but lift it off the cylinder head and
prop it up with a 2x4 to allow access to the injector connectors as shown in
Figure C.
FIG.A
FIG.C
FIG.B

I25-028 www.powercommander.com 2016 Ski-Doo 1200 PCV - 4
4 Using the supplied velcro, secure the PCV to the side of the battery as shown
in Figure D.
Make sure to clean both surfaces with the alcohol swab before attaching.
5 Route the PCV wiring harness along side the main harness up from the battery
and over the cylinder head as shown in Figure E.
6 Using the supplied zip ties, secure the PCV harness to the factory harness.
7 Locate the throttle body servo motor connector on
the left side of the snowmobile as shown in
Figure F.
8 Using the supplied posi-tap, attach the black/white
wire from the PCV harness to the beige/grey (top
left wire) on the stock connector.
9 Using the supplied posi-tap, attach the grey wire
from the PCV harness to the beige/white (bottom
left wire) on the stock connector.
FIG.D
FIG.F
FIG.E
blk/wht
grey

I25-028 www.powercommander.com 2016 Ski-Doo 1200 PCV - 5
10 Locate the injectors on the cylinder head as shown in Figure G.
11 Unplug the factory connectors from the injectors.
12 Attach the connectors from the PCV to the injectors and factory connectors as
shown in Figure G.
13 Replace the front cover and side panels.
EFI Tuning with PCV
The Power Commander makes fueling changes off of the numbers in the map stored in the Power Commander. The snowmobile Power Commanders
are shipped with a Zero Map. With a Zero Map, the snowmobile will run the stock fueling programmed in the ECU. When a map is loaded into the
Power Commander, the snowmobile will be fueled according to the numbers in the map. The Power Commander does not make changes to the ECU
programming.
The numbers in the Power Commander map add or subtract a percentage of the fuel the ECU is supplying for a particular load condition. For example,
if the Power Commander map shows a 10 in a given cell, the Power Commander increases the amount of fuel the ECU is supplying by 10%. If the
Power Commander map shows a -10 in a given cell, the Power Commander reduces the amount of fuel the ECU is supplying by 10%.
When tuning, always start with a setting where the motor runs rich. Slowly trim fuel out to find the desired exhaust gas temperature (EGT) or air-to-fuel
ratio (A/F).
The PCV gives you the freedom to subtract up to 99% and add up to 250% of the fuel the ECU is supplying for a particular condition. When adding
fuel with the Power Commander, the injector duty cycle may reach 100% (always open) before the Power Commander value reaches 100%. For
example, if the ECU is running the injectors at 67% duty cycle (injectors open 67% of the time) then adding 50% fuel with the Power Commander will
max out the injectors. In this case, the amount of fuel that can be added will be limited by the injectors.
Fuel Subtraction
The PCV gives you the ability to trim fuel out of the map to correct rich conditions.
Caution: Engine failure can result from running the engine in a lean state.
FIG.G PCV cable
fuel injector