Polaris RZR 170 2009 - Ignition System Testing

8.9
ELECTRICAL
8
Ignition System Testing
Whenever troubleshooting an electrical problem, first check all terminal connections to be sure they are clean and tight. Use the
following flow chart as a guide for troubleshooting. NOTE: The brown (BN) wire on youth models carries 12V key-on power.
Condition: No spark or intermittent spark.
Turn key switch to
ON.
Disconnect 2-wire
connector from
CDI
Measure between
engine ground and
BROWN wire.
Battery Voltage?
Battery voltage on RED
circuit at key switch?
Battery voltage on
BROWN wire at key
switch at ON position?
Replace key
switch.
Check wiring
between switch
and CDI.
Check 15A fuse
and battery.
NO YES
NOYESNO
Disconnect 4-wire
plug from CDI.
Check the BLACK
wire for continuity
to ground.
YES
Continuity? Check wiring.NO
Disconnect DG
wire from ignition
coil.
Check for
continuity between
plug and key
switch in ON
position.
YES
Continuity?
Check wiring and/
or key switch.
NO
Perform CDI
output test, pulser
coil output test and
ignition coil
resistance test
detailed within this
chapter.
YES
Components
pass tests?
Replace suspect
components and
recheck.
NO
If vehicle still has no spark,
repeat troubleshooting steps.
Pay close attention to
condition of wires and
connections.
YES
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