10.8
ELECTRICAL
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Testing The Parking Brake Switch
1. Disconnect the harness co nnector a t the parking
b
rake switch (Orange/Red and Red/Blue wires).
2. Place the ohmmeter leads onto
the switch terminals.
The reading should be infinite (OL).
3. Apply the parking brake. Continuity should now exist
b
etween the switch terminals. If n o continuity exists
when the pa rking br ake is ap plied, try to clea n the
switch terminals and re-tes t. Replace switch if
necessary.
Park Brake Indicator
This warning is used to notify th
e operator that the park
brake lever is engaged.
When the p arking brake is fully engaged, “BRAKE”
a
ppears in the rider information display. Engine speed is
limited to 1500 RPM in all gears, except neutral. If throttle
is applied, this limiting feature prevents operation, which
protects the park brake pads from excessive wear.
REAR DIFF SOLENOID (INTL)
Differential Solenoid Overview
The differential solenoid is located on the rear portion of
the transmission case. The solenoid actuates a shift fork
with an engagement dog, which locks and unlocks the rear
differential. Refer to Chapter 8 for more information.
Differential Solenoid Circuit Operation
The R ear Diff S olenoid Relay is att ached to the lower
airbox bracket and can be accessed through the right rear
wheel well.
When the switch is pushed to activate “TURF”, a ground
sig
nal is provided to the ECU from the AWD / 2WD / TURF
Switch.
Depending on engine speed and gear position criteria, the
ECU en
ergizes the Rear Diff Solenoid Relay allowing it to
enable the differential solenoid.
If the rear diff fails to switch from operational modes:
• Check the solenoid and relay connectors. Look for
loo
se wires or bad connections.
• Check for po wer fr om th e
relay conn ector, to
ensure the solenoid has power to be activated.
• Check the A WD / 2WD / TURF Sw itch w ires for
loo
se connections.
• Remove solenoid from rear differential and ensure
the sole
noid plunger is actuating.
Do not power the solenoid with 12 Volts for more
than 1 second, or damage may occur to solenoid.
To Next Page
Loading...
Need help?
General
