Polaris 850 PRO-RMK 155 2020 - Page 317

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9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
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SPN = SUSPECT PARAMETER NUMBER / FMI = FAILURE MODE INDICATOR
TROUBLE CODE SPN FMI P-CODE FAULT CONDITION
520327 31 P140C
Exhaust
Valve
Position
Out of
Range
(Closed)
This Trouble Code sets if: Valve DOWN position
voltage out of range Check the following: If
occasional, this fault is nothing to be concerned
about. If persistent:
• Measure cable travel length
• Verify smooth valve operation
EV Learn 520328
3 P140E
Exhaust
Valve
Learn /
Gauge
Relay
Short to
Voltage
This Trouble Code sets if: EV relay Grey/Yellow
wire short to Power Check the following: Inspect
EV relay for corrosion or loose terminals If no
problems found: Replace EV Relay
5 P140D
Exhaust
Valve
Learn /
Gauge
Relay
Open
Circuit
This Trouble Code sets if: EV relay supply power
line is open. Check the following: Inspect EV
relay for corrosion or loose terminals. If no
problems found: Replace EV Relay
Actuator Diagnostic
520334 31 P1409
EV
Actuator
Overheat
Condition
This Trouble Code sets if:
• Actuator Circuit board too hot
• Internal short circuit
Check the following: Check for heat sources
close to actuator. If no problems found: Replace
EV actuator
520335
3 P1406
EV
Actuator
Position
Driver
Voltage
High
This Trouble Code sets if:
• Feedback position (Dark Blue/Yellow on
harness) short to +12V
• Actuator power (Red/Black) removed Check
the following
5 P1407
EV
Actuator
Position
Driver
Voltage
Low
This Trouble Code sets if:
• Feedback position (Dark Blue/Yellow on
harness) short to GND
• Feedback position (Dark Blue/Yellow on
harness) open
• Actuator power (Red/Black) removed
10 P1408
EV
Actuator
Position
Abnormal
Rate of
Change
This Trouble Code sets if:
• Actuator achieves valve state too fast or
resistance too low
• Actuator power (Red/Black) removed
• Command wire (Dark Blue/White) short to
+12V
• Command wire (Dark Blue/White) short to
GND
ENGINE / COOLING / EXHAUST