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Arctic Cat: M Series 2005-Current, all models in the M-series chassis

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Old 11-14-2012, 09:46 AM
MT Backcountry MT Backcountry is offline
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Default Testing a CCU??

Can anyone tell me how you test to see if a Chassis Control Unit is working correctly. Im running a 2007 M1000 and have just installed a new Crate motor and have made no other changes to my setup. When I start it up after about 10 seconds sometimes longer headlights did and all the gauges freak out flashing on and off then completely go away. It seems to run the same though, and have been told start with the ccu, Can I test it?? Im not one to just throw parts at a problem I like to diagnose it to be correct. I did check all my grounds and wiring under the tank is ok too.
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Old 11-14-2012, 11:07 PM
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Default

Chassis Control
Unit Voltage Test
(EFI Models)
��NOTE: The following test should be made using
MaxiClips (p/n 0744-041) and the Fluke Model 73
Multimeter (p/n 0644-191) set to the DC Volt scale.
��NOTE: Test specifications are on the Electrical
Specifications (individual) pages in this section.
��NOTE: The CCU tests were made with the connectors
plugged in, spark plugs removed and
grounded, and by pulling the recoil starter rope
briskly.
LOW POWER
1. Connect the red maxiclip and meter lead to the
red/blue lead of the connector; then connect the
black maxiclip and meter lead to the black lead of
the connector.
2. Pull the recoil starter rope briskly.
3. Meter reading must be within specification.
��Repeat test three times to confirm results.
HIGH POWER
1. Connect the red maxiclip and meter lead to the
red/black lead; then connect the black maxiclip
and meter lead to the black lead.
2. Pull the recoil starter rope briskly.
3. Meter reading must be within specification.
��NOTE: Repeat this test three times to confirm
results.


Specifications
(800/1000 cc Models)
�� NOTE: The ignition system is a Normally Open Ignition (NOI).
* Main harness plugged in
Peak Voltage Tests were made at room temperature with the MaxiClips (p/n 0744-041), Fluke Model 73 Multimeter
(p/n 0644-191) set to the DC Volt scale, and the Peak Voltage Reading Adapter (p/n 0644-307). Also, the main
harness connectors must be unplugged (except on primary coil/CCU tests), the spark plugs removed and grounded,
and by pulling the recoil starter rope briskly.
��NOTE: Lighting coil output is unregulated voltage.
Description Resistance Test
Test Value + Test Connections -
Ignition Coil
Primary
Secondary
0.24-0.36 ohm
5040-7560 ohms
black/white
high tension wire
white/blue
high tension wire
Charge Coil (1) 7.20-10.8 ohms black/red green/red
Charge Coil (2) 7.20-10.8 ohms brown/white green/red
Lighting Coil 0.08-0.12 ohms yellow yellow
Ignition Timing Sensor (1) 148-222 ohms blue/white brown/green
Ignition Timing Sensor (2) 142-222 ohms green/white brown/green
Injection Coil 15.2-22.8 ohms blue/white blue/white
Fuel Pump Coil 1.52-2.28 ohms orange orange
Spark-Plug Cap 4000-6000 ohms cap end cap end
Description Test Value + Test Connections -




Chassis Control Unit* 10-15 DC Volts red/blue (low power)
red/black (high power)
brown (low power)
black (high power)




Servomotor 12 DC Volts red/black (counterclockwise)
black/red (clockwise)
black/red (counterclockwise)
red/black (clockwise)
Low Oil-Light Sending Unit Less than 1 ohm (float end down) terminal terminal
Coolant Temperature Sensor Open
(coolant temperature lower than 190F)
terminal ground
Up to 20 ohms
(coolant temperature higher than 230F)
terminal ground
Coolant Temperature Warning Light Less than 10 ohms terminal terminal
Ignition Switch Less than 1 ohm (key in OFF position) terminal terminal
Description Peak Voltage Test + Test Connections -
MAG Primary Coil (Harness Side)* 125-137V orange/red orange/black
PTO Primary Coil (Harness Side)* 126-139V white/red white/black
Charge Coil (1) 13.6-14.8 black/red green/red
Charge Coil (2) 13.5-14.6 brown/white green/red
Lighting Coil 5.4-5.8V yellow yellow
Ignition Timing Sensor (1) 4.3V blue/white brown/green
Ignition Timing Sensor (2) 4.4V green/white brown/green
Injection Coil 12V blue/white blue/white
Fuel Pump Coil 12.3V orange orange
Lighting Coil 14.8-22.2V (@ 2000 RPM)
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