Snowmobile Polaris 2006 - 2007 FS / FST. Manual - part 17

4.9

EFI / Ignition Systems

4

Rev. 1 07/2006

ECU Connector Orientation

Wiring Harness Connector Identification

Some engine component wiring harnesses have a color band to
aid in connecting each harness lead to the correct sensor or EMS
component.

H

ARNESS

B

AND

 C

OLOR

Ambient 
Pressure

None

Lambda Sensor

None

Intake Air CTRL

Yellow

MAG Coil

Red

PTO Coil

White

Phase Sensor

Blue

Intake Pressure

None

Coolant Temp.

None

PTO Injector

White

MAG Injector

Red

TPS

Yellow

Boost Pressure

Blue

Crank Position

None

Knock Sensor

None

Wastegate CTRL

None

COLOR BAND

4.10

EFI / Ignition Systems

Rev. 1 07/2006

ECU 100 Harness Connector (Gray Color)

NOTE:  Viewed from terminal-side of connector.

ECU 100 Connector Pin Identification

PIN

W

IRE

 C

OLOR

F

UNCTION

G

OES

 T

O

:

A1 (108)

ORN/GRN

Lambda Sensor Compensation (Input)

Wideband Lambda Sensor (Pin 2)

B1 (107)

WHITE

Engine Speed Sensor (CPS) Signal 
(Input)

Engine Speed Sensor (Pin 1)

C1 (106)

YEL/BLK

Intake Manifold Pressure Signal (Input)

Intake Manifold Pressure / Temp. Sensor (Pin 4)

D1 (105)

GRN/RED

IAC Stepper Motor Phase D (Output)

Idle Air Controller (Pin 1)

E1 (104)

ORN/WHT

5Vdc Sensor Voltage (Output)

Splice - Intake (Pin 3) and Ambient Pressure (Pin 3) Sensors / Rollover Sensor

F1 (103)

BLK/YEL

Boost Pressure Signal (Input)

Boost Pressure Sensor (Pin 4)

H1 (101)

BROWN

Power Ground (Ground)

Splice - Engine / Chassis Connector 2 - Battery Ground

A2 (116)

PURPLE

Sensor / Engine Stop Signal (Ground)

Engine / Chassis Connector 2 - Boost Pressure Sensor (Pin 1) / Throttle Flipper 
Safety Switch

B2 (115)

BLACK

Engine Speed Sensor (CPS) Signal 
(Input)

Engine Speed Sensor (Pin 2)

C2 (114)

PURPLE

Intake Manifold Pressure Sensor 
(Ground)

Intake Manifold Pressure / Temp. Sensor (Pin 1)

D2 (113)

BLU/BLK

IAC Stepper Motor Phase B (Output)

Idle Air Controller (Pin 4)

E2 (112)

OR/RED

Lambda Sensor Pump Current (Input)

Wideband Lambda Sensor (Pin 6)

G2 (110)

WHT/BLK

Fuel Injector Control - MAG (Output)

MAG Fuel Injector (Pin 2)

H2 (109)

WHITE

Fuel Injector Control - PTO (Output)

PTO Fuel Injector (Pin 2)

A3 (124)

BLUE

Lambda Sensor Signal (Input)

Wideband Lambda Sensor (Pin 1)

B3 (123)

BRN/RED

Lambda Sensor (Ground)

Wideband Lambda Sensor (Pin 5)

C3 (122)

ORANGE

5Vdc Sensor Voltage (Output)

Splice - TPS (Pin 1) / Boost Pressure Sensor (Pin 1)

D3 (121)

BLU/RED

IAC Stepper Motor Phase C (Output)

Idle Air Controller (Pin 6)

E3 (120)

RED/GRN

IAC Stepper Motor Phase A (Output)

Idle Air Controller (Pin 3)

F3 (119)

GRY/WHT

Fuel Pump Relay Control (Output)

Engine / Chassis Connector 1 - Fuel Pump Relay

G3 (118)

ORANGE

KL 15 (Ignition) Relay Control (Output)

Engine / Chassis Connector 1 - Ignition Relay

H3 (117)

GREEN

Starter Relay Control (Output)

Engine / Chassis Connector 1 - Starter Relay

4.11

EFI / Ignition Systems

4

Rev. 1 07/2006

ECU 200 Harness Connector (Brown Color)

NOTE:  Viewed from terminal-side of connector.

ECU 200 Connector Pin Identification

PIN

W

IRE

 C

OLOR

F

UNCTION

G

OES

 T

O

:

M4 (212)

Brown

Fuel Injection Ground

Splice - Engine / Chassis Connector 2 - Battery Ground

L4 (211)

BRN/WHT

Electronic Ground

Splice - ECU Ground Ring - Knock Sensor / CPS Shield 
Grounds

K4 (210)

White

MFI Reverse Lamp (Output)

Engine / Chassis Connector 2 - MFI Reverse Lamp

J4 (209)

BLU/RED

MFI Engine Temperature Signal (Output)

Engine / Chassis Connector 2 - MFI Engine Temp. Display

F4 (206)

WHT/RED

Start Switch (Input)

Engine / Chassis Connector 1 - Ignition Switch - Start Diode 
- Starter Solenoid

C4 (203)

BLK/WHT

MFI - MIL Lamp (Output)

Engine / Chassis Connector 2 - MFI-MIL Lamp (Check 
Engine)

B4 (202)

RED/WHT

Ignition Switch (Input)

Engine / Chassis Connector 1 - Ignition Diode - Ignition 
Relay

K3 (222)

BLU/WHT

MFI Engine Temperature Lamp (Output)

Engine / Chassis Connector 2 - MFI Hot Lamp

J3 (221)

GRN/ORN

MFI Boost Pressure Signal (Output)

Engine / Chassis Connector 2 - MFI Boost Level Display

E3 (217)

BLU/RED

Roll Over Switch (Input)

Engine / Chassis Connector 2 - Roll Over Switch

D3 (216)

WHT/BLU

Chaincase FWD Limit Switch Signal (Input)

Engine / Chassis Connector 1 - FWD Switch

C3 (215)

GRN/BLK

Chassis Relay Control (Output)

Engine / Chassis Connector 1 - Chassis Relay

B3 (214)

BLU/ORN

Ambient Pressure Signal (Input)

Ambient Pressure Sensor (Pin 4)

A3 (213)

BRN/RED

Sensor Ground

Engine / Chassis Connector 1 - Roll Over Switch

M2 (236)

Blue

Reverse Controller - Control (Output)

Engine / Chassis Connector 2 - Reverse Controller (Pin 3)

J2 (233)

YEL/RED

Engine Speed Signal (Output)

Engine / Chassis Connector 2 - MFI Tachometer Signal

H2 (232)

GRN/WHT

Diagnostic K Line (Input / Output)

Diagnostic Connector (Pin 2)

G2 (231)

GRN/RED

Vehicle Speed Signal (Input)

Engine / Chassis Connector 2 - Speed Sensor (Pin B)

E2 (229)

WHT/GRN

Chaincase REV Limit Switch Signal (Input)

Engine / Chassis Connector 1 - REV Switch

B2 (226)

Black

Engine Stop Signal (Input)

Engine / Chassis Connector 2 - Ignition Switch - Tether - 
Throttle Flipper Safety Switch

4.12

EFI / Ignition Systems

Rev. 1 07/2006

ECU 300 Harness Connector (Black Color)

NOTE:  Viewed from terminal-side of connector.

ECU 300 Connector Pin Identification

PIN

W

IRE

 C

OLOR

F

UNCTION

G

OES

 T

O

:

H4 (308)

Brown

Ignition Ground

Splice - Engine / Chassis Connector 2 - Battery Ground

G4 (307)

Gray

Wastegate Control (Output)

Wastegate Solenoid Pulse Valve (Pin 2)

F4 (306)

Blue

Throttle Flipper Safety Switch (Input)

Engine / Chassis Connector 2 - Throttle Flipper Safety 
Switch

E4 (305)

Yellow

Engine Coolant Temperature Signal (Input)

Coolant Temperature Sensor (Pin 1)

D4 (304)

BRN/YEL

Engine Coolant Temperature Sensor Ground

Coolant Temperature Sensor (Pin 2)

C4 (303)

Gray

Reverse (PERC) Switch Signal (Input)

Engine / Chassis Connector 2 - PERC Switch

B4 (302)

Green

Throttle Position Sensor (TPS) Signal (Input)

Throttle Position Sensor (Pin 2)

A4 (301)

RED/BLK

Switched Power - EFI Relay - 20A (Input)

Splice - Engine / Chassis Connector 2 - Wastegate Solenoid 
(Pin 1) / Camshaft Phase Sensor (Pin 3)

H3 (316)

WHT/BLU

Ignition Coil Driver - MAG (Output)

Ignition Coil - MAG (Pin 1)

G3 (315)

WHT/GRN

Ignition Coil Drive - PTO (Output)

Ignition Coil - PTO (Pin 1)

F3 (314)

ORN/BLK

Cam Phase Sensor Signal (Input)

Camshaft Phase Sensor (Pin 2)

C3 (311)

Black

Knock Sensor Signal (Input)

Knock Sensor (Pin 1)

B3 (310)

White

Knock Sensor Ground (Input)

Knock Sensor (Pin 2)

A3 (309)

BRN/ORN

Sensor Ground

Ambient Pressure Sensor (Pin 1)

G2 (323)

BLU/RED

Lambda Heater Control (Output)

Wide Band Lambda Sensor (Pin 4)

F2 (322)

GRY/RED

EFI Relay Control (Output)

Engine / Chassis Connector 1 - EFI Relay Coil

D2 (320)

YEL/BLK

Intercooler Fan Relay Control (Output)

Engine / Chassis Connector 1 - Fan Relay Coil

A2 (317)

WHT/RED

Intake Air Temperature 

Intake Manifold Temp. / Pressure Sensor (Pin 2)