Efi Replacement Components; Efi Trouble Code Identification - Ariens Sno-Thro Deluxe 24 Service Manual

EFI REPLACEMENT COMPONENTS

See Figure 152.
Model 921049
Ariens recommends using only genuine Ariens
replacement parts on this unit. Using unauthorized parts
may adversely affect the performance, durability or safety
of this unit and may void the warranty. Click the Parts
Diagrams by Parts Radar link at www.ariens.com for
replacement part numbers of the items listed below:
• ECU
- Barometric Pressure Sensor
- Air Temperature Sensor
• Throttle Body Assembly
- Throttle Plate Servo Motor
- Fuel Injector
- Fuel Pressure Sensor
- Engine Temperature Sensor
• Battery
• Fuel Pump
• Inline Fuel Filter
IMPORTANT: Replacement part sub components are not
available as individual parts.
14-Pin Chassis
Harness
12-Pin Throttle
Body Harness
Green LED
Barometric
Pressure Sensor
Air Temperature
Sensor
Red LED
Figure 152

EFI TROUBLE CODE IDENTIFICATION

Trouble
Problem
Code
16 Low Battery Voltage Check charging
21 Barometer Pressure
Sensor Failure
22 Engine Temperature
Sensor Failure
27 Low Fuel Pressure
28 High Battery Voltage Check charging
Green LED Low Battery Voltage
is Constant or Faulty ECU
(not
blinking)
LEDs are Low Battery Voltage Check battery voltage
dim.
No LEDs No Battery Voltage
Illuminated
ECU
EN – 60
Correction
system and battery.
Replace ECU.
Check engine
temperature sensor
and wiring.
Check fuel level.
systems.
Check battery
voltage. If voltage is
7.2 – 8.4 volts DC,
replace ECU.
If battery measures
lower than 7.2 volts
DC, charge battery.
and charging system.
Battery should
measure 7.2 – 8.4
volts DC.
Check battery voltage
and charging system.
Battery should
measure 7.2 – 8.4
volts DC.
Figure 153