Digital Wrench Data Troubleshooting - Polaris RZR XP Service Manual

DIAGNOSTIC

DIGITAL WRENCH DATA TROUBLESHOOTING

The table shown below is a guide for using the Data Display to diagnose a vehicle. A more accurate representation is
to compare the readings to a known good vehicle under the same conditions.
DATA DISPLAY
ITEM
Air / Fuel Ratio
AWD Driver
AWD Switch
switched ON or OFF
Barometric Pressure
Voltage seen on the
Battery Voltage
Boost Pressure
Boost Temperature
Indicates if the brake
Brake Switch
Indicates if the ECU
Cam Sensor Signal is seeing a hall-effect
Status signal from the cam
Cooling Fan Relay
Driver
Indicates if the ECU
Crankshaft Signal is seeing a hall-effect
Present
Cycle
Synchronization
Differential Lock
Driver
10.38
DEFINITION
Indicator of engine
operation. Value
typically bounces
between lean and
rich
ECU control of the
AWD coil
Input to ECU to
indicate if AWD is
Reading of
atmospheric
pressure
power wire feeding
the ECU
Indicate intake air
pressure at the
sensor before the
throttle body
Temperature of the
boost pressure air
pedal is being
pushed
sensor
ECU control of the
cooling fan relay
signal from the
crankshaft sensor
Checks for engine
misfire
ECU control of the
turf solenoid
VALUE
Engine getting too much air / too little fuel
Lean
Engine getting too little air / too much fuel
Rich
Active
Inactive
ECU receiving a signal that the AWD switch is in
Active
ECU receiving a signal that the AWD switch is in
Inactive
Unit is being used at an elevation around sea-
28–30 InHg
Unit is being used at an elevation around 10,000
19–21 InHg
Default value to indicate an open circuit. Check
0
for bad connection, broken wire, or faulty sensor.
11.8 to 12.8V
12.8 to 14.5V
≈ barometric of manifold pressure at key on
varies
≈ barometric pressure at idle since no boost is
varies
this value should be higher than the intake air
varies
Active
Brake pedal released, open circuit, or faulty
Inactive
Yes
No signal from camshaft sensor / engine not
No
ECU is grounding the cooling fan relay. Fan
Active
Inactive
ECU is receiving an RPM signal from the CPS.
Yes
ECU does not see the crankshaft turning
No
Engine is synchronized. No spark loss
Yes
Engine out of synchronization. Intermittent spark
No
ECU is grounding the diff relay to activate the turf
Active
ECU is not grounding the diff relay. Differential is
Inactive
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
VALUE DESCRIPTION
ECU is grounding the AWD coil
ECU is not grounding the AWD coil
an AWD mode
2WD or Turf mode.
level
ft
typical key on voltage
typical engine running voltage
being created until off-idle
temperature unless engine is cold
Brake pedal is being pushed
switch
Camshaft is turning
running
should be running
ECU is not grounding the fan relay
Crankshaft should be turning
loss
function. Differential unlocked
locked.
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