3
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
3.145
• Verify battery voltage is present on Pin 31.
NOTICE
Volt meter required for this step. Test lights may not
illuminate on low amperage circuits.
– If battery voltage is not present, verify continuity
back to ECU pin 134. If continuity is not present,
repair/replace harness.
– If continuity is present, re-flash the ECU. If re-
flashing the ECU does not remedy the concern,
the ECU may need to be replaced.
• Pin 32 should have continuity to ground. Repair/
replace harness if necessary.
SYMPTOM POSSIBLE CAUSE SOLUTION
1. Loose drive belt.
The belt is vibrating or oscillating. Adjust tension.
2. Internal compressor
malfunction.
The compressor is locked up and the belt slips. Replace compressor.
3. Low battery voltage.
Clutch slips.
Recharge the battery.
4. Faulty coil.
Clutch slips.
Replace the magnetic clutch.
5. Oil on the clutch surface.
Clutch slips.
Replace or clean the clutch
surface.
6. Open coil.
Clutch does not engage and there is no reading
when a circuit tester is connected between the coil
and terminals.
Replace clutch.
7. Broken wiring / poor
ground.
Clutch will not engage. Inspect the ground and
connections.
Repair.
8. Wiring harness
components.
Test the conductance of the pressure switch,
thermostat, Relay, etc.
Check operation.
ENGINE / COOLING / HVAC SYSTEM
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