Chrysler neon 1997 Service Manual page 337

8K - 4 WINDSHIELD WIPERS AND WASHERS
DIAGNOSIS AND TESTING (Continued)
CONDITION
Wiper blades do not park properly.
Motor stops in any position when
the switch is turned off.
Motor will not stop when the switch
is turned off.
Wiper blades slap against cowl
screen or window moldings.
Blades chatter.
Wiper knock at reversal.
Wiper motor will not run.
POSSIBLE CAUSES
(1) Wiper arms improperly parked.
(2) Wiper arms are loose on pivot
shaft.
(3) Motor crank loose at output
shaft.
(1) Open park circuit.
(1) Faulty switch.
(2) Lock of dynamic brake on wet
glass.
(1) Wiper arms are parked
incorrectly.
(1) Foreign substance such as
polish on glass or blades.
(2) Arms twisted, blade at wrong
angle on glass.
(3) Blade structure bent.
(4) Blade element has permanent
set.
(1) Linkage bushings worn.
(2) Armature endplay in motor.
(1) Blown fuse.
(2) New fuse blows.
(3) New fuse blows.
(4) No Voltage at motor.
(5) Poor ground.
CORRECTION
(1) Remove wiper arms and repark.
Refer to Wiper Arm Removal and
Installation.
(2) Remove wiper arm and repark.
Refer to Wiper Arm Removal and
Installation.
(3) Remove wiper arm, run wiper
motor to park position and remove
the module. Without rotating the
motor output shaft, remove the crank
and clean any foreign matter from
the motor shaft. Install the motor
crank in its original position.
(1) Check park switch by
disconnecting the wire connector
and apply battery voltage to Pin 4.
Place a jumper wire from Pin 2 to
Pin 3 and then to an external
ground. Replace motor if it does not
park.
(1) check switch in low, high and
intermittent position.
(2) Ensure park switch has clean
ground.
(1) Park wiper arms. Refer to Wiper
Arm Adjustment.
(1) Clean glass and blade element
with non-abrasive cleaner.
(2) Replace arm.
(3) Replace blade.
(4) Replace blade element.
(1) Replace worn link. Refer to
Wiper Linkage Removal and
Installation.
(2) Replace wiper motor. Refer to
Wiper Motor Removal and
Installation.
(1) Replace fuse, and run system.
(2) Check for short in wiring or
switch.
(3) Replace fuse, remove motor
connector, turn switch ON, fuse does
not blow, replace motor.
(4) Check switch and wiring harness.
Refer to Group 8W, Wiring
Diagrams.
(5) Repair ground wire connection as
necessary.
PL