Snowmobile Polaris IQ (2007-2008 year). Manual - part 29

4.34

Fuel Systems

CFI “Drop In Pump” Fuel Supply (Typical)

NOTE: 

2008 fuel system shown. 2007 models

similar.

Drop In Fuel Pump Service

Some models feature drop in fuel pump and fuel level sender
assemblies. Reference the fuel level sender resistance table for
models that display the fuel level on the MFD gauge.

NOTE:  The fuel pump may be mounted on the right-
side or left-side of the fuel tank depending on model.

Drop In Fuel Pump Replacement

1.

Siphon the fuel out of the fuel tank into a suitable
container.

2.

Remove the console and the seat assembly.

3.

Disconnect the positive (+) battery cable from the battery
if applicable.

4.

Remove the fasteners securing the fuel tank to the tunnel.

5.

Bleed the pressure from the fuel rail. See “Fuel Rail
Bleeding / Pressure Testing” on page 4.29.

6.

Lift and move the tank back to gain access to the fuel lines.
Disconnect the fuel supply and return hoses from the pump
flange. See “Disconnect Fittings” on page 4.29.

7.

Disconnect the wiring harness, then remove the tank from
the snowmobile. Place tank in a well-ventilated area.

Ω

P

INS

C

OLOR

F

UNCTION

Full

≤

 

8 

±

1

1

Red

Pump PWR

1/2

40 +/-3

2

WHT/BLU

Fuel Level Sender

Empty

85 +/- 4

3

Black

Pump Ground

4

Pink/Black

Sender Ground

4.35

Fuel Systems

4

8.

Using the PFA spanner wrench and nut socket (PS-48459),
carefully remove the PFA nut.

9.

Carefully extract the PFA out of the tank making sure the
float and fuel hoses do not become kinked or bent.

10. Remove the old gasket and destroy.

11. Clean the tank’s gasket mating surface with isopropyl

alcohol. Allow the surface to dry completely.

12. Install a new gasket ensuring the inside portion of the gasket

hooks onto the bead on the inside diameter of the neck.

13. Remove any containments from the gasket with isopropyl

alcohol.

14. Carefully place the PFA back into the tank. Push the float

assembly against the hoses to fit it into the hole.

15. Hand tighten the PFA nut keeping the arrow between the

PFA alignment marks.

16. Using the PFA spanner wrench and nut socket (PS48459),

tighten the PFA to specification.

17. Fuel tank installation is the reverse of removal. Always test

the PFA gasket seal before tank installation by performing
a pressure check.

Throttle Body Removal

1.

Remove the air box.

2.

Remove the throttle body air box adapter.

3.

Pinch off the coolant lines with the hose pincher tool PN
PU-45149.

4.

Remove the coolant lines from the throttle body.

5.

Loosen the intake boot clamps and pull the throttle body
upward, enough to gain access to the throttle cable and TPS
connector.

6.

Loosen the throttle cable lock nut and remove the cable
from the throttle body.

7.

Disconnect the TPS from the throttle body.

8.

Remove throttle body.

WARNING

Never re-use a used PFA gasket.

ARROW

ALIGNMENT LINES

SUPPLY FITTING

RETURN FITTING

= T 

PFA Nut Torque = 21 Ft.Lbs. (28 Nm)

4.36

Fuel Systems

DIGITAL WRENCH DIAGNOSTIC 
SOFTWARE

Overview

The Digital Wrench diagnostic software allows the technician to
perform the following tests and observations:

• View / clear trouble codes

• Analyze real-time engine data

• Reflash ECU calibration files

• Guided diagnostics

• Create customer service account records

The following components are required to use the Digital
Wrench software:

• PC or laptop with Microsoft Windows operating system

• Digital Wrench software, part number PU-47063

• Smart Link Module, part number PU-47468

• Interface Cable, part number PU-47469

• PC Interface Cable, part number PU-47470

• Smart Link Module Kit (Includes PU-47468, 

PU-47469, and PU-47470 in one kit), part number 
PU-47471

• M-10 ACE / ECU-Chassis Power-Up Cable, part 

number PA-46355

• 12-volt battery

Digital Wrench Connections

The access point for the ECU power-up and Digital Wrench
connectors is located in the front, left-side of the nosepan.

Follow these steps to connect the diagnostic and power-up
cables to the snowmobile:

1.

Assemble the Smart Link cables and module as shown in
the illustration.

2.

Open the hood and locate the connectors. Remove the
protective cap from the diagnostic connector.

3.

Connect the vehicle interface cable to the diagnostic
connector.

4.

Using the power-up cable, part number PA-46355, and a
fully charged 12-volt battery, connect the power-up cable
to the ECU connector.

NOTE: To verify the 12-volt battery and power-up
cable are working, connect the cable to the chassis
power-up connector. If working correctly, the
headlights should illuminate.

DIGITAL WRENCH 

CONNECTOR

ECU POWER-UP

(3-WIRE CONNECTOR)

CHASSIS POWER-UP

(2- WIRE CONNECTOR)

4.37

Fuel Systems

4

Updating Digital Wrench

Fileset updates and service packs are released for Digital
Wrench via the Internet. The Digital Wrench update website can
be found by accessing the dealer Internet site at:
www.polarisdealers.com.

NOTE: 

Only authorized Polaris dealers and

distributors can access the dealer Internet website.

1.

Log on to www.polarisdealers.com.

2.

Locate the “SERVICE AND WARRANTY” drop-down
menu.

3.

Click on “DIGITAL WRENCH UPDATES”.

4.

The next screen is the Digital Wrench portal website.

The following selections can be made on the update website:

• Home - Digital Wrench Home Page

• Downloads - Listing of current filesets and Digital 

Wrench downloadable updates

• Forums - Member generated knowledge base

• Search - Website search engine

• Topics - Vehicle-specific Digital Wrench information

5.

Locate the version of Digital Wrench currently running on
the PC or laptop.

6.

Locate and click on the fileset or service pack required to
update the software. Save the file(s) to the PC or laptop’s
desktop.

7.

Locate the update file(s) on the desktop. Double-click and
select “RUN” on the icon to install the update.

8.

Delete the file after performing the update.

NOTE:  Delete the update file from the desktop when
finished.