Wiper Motor; Diagnosis And Testing - Wiper Motor - Chrysler 300M Service Manual

8R - 22 WIPERS/WASHERS
WIPER MODULE (Continued)
(5) Start rear outboard screw first, rear inboard
screw second, and forward outboard screw last.
(6) Start all module mounting screws and bolt by
hand before torquing to specifications.
(7) Connect one wire connector.
(8) Install the three retaining bolts to windshield
wiper module (Fig. 15).
(9) Install the eight bolts to Tower to Tower (cross-
car) support (Fig. 14). Refer to Body for Removal.
(10) Install the wiper module mounting bolt
located on top of the tower to tower beam.
(11) Install the nine screws to cowl screen panel.
Refer to Body for Removal.
(12) Assure wiper module pivots are in "PARK"
position cycling the switch "ON" and "OFF" with
engine off prior to installing arms and blades.
CAUTION: Keep hands clear when cycling the wiper
motor within the wiper module.
CONDITION
WIPER OPERATES IN LOW
SPEED OR INTERMITTENT
ONLY.
WIPER OPERATES IN
INTERMITTENT MODE
ONLY.
WIPER MOTOR TEST
POSSIBLE CAUSE
1. HI/LO RELAY
DEFECTIVE.
2. OPEN OR DEFECTIVE
CONTROL CIRCUIT IN
BCM.
3. DEFECTIVE WIPER
SWITCH.
4. OPEN HIGH SPEED
CIRCUIT.
5. DEFECTIVE MOTOR.
1. DEFECTIVE WIPER
SWITCH.
(13) Install the driver and passenger side wiper
arms. Refer to Electrical, Wipers and Washers, Wiper
Arm Removal.
(14) Connect the negative battery cable remote ter-
minal to the remote battery post.

WIPER MOTOR

DIAGNOSIS AND TESTING - WIPER MOTOR

Whenever a wiper motor malfunction occurs, dis-
connect motor wire harness and clean the terminals.
Ensure the wire harness is properly connected before
starting diagnosis and repair procedures. Refer to
Wiper Motor Test table.
CORRECTION
1. CHECK HI/LO RELAY WITH KNOWN GOOD
RELAY. IF NOT OK, REPLACE HI/LO RELAY.
2. OPEN OR DEFECTIVE CIRCUIT BETWEEN
HI/LO RELAY CAVITY C AND BCM
CONNECTOR TERMINAL #12C. DEFECTIVE
BCM. IF NOT OK, REPAIR CIRCUIT OR REFER
TO BCM DIAGNOSTIC PROCEDURES.
3. REFER TO WIPER SWITCH DIAGNOSTIC
PROCEDURES.
4. OPEN OR DEFECTIVE CIRCUIT BETWEEN
HI/LO RELAY CAVITY D AND WIPER MOTOR
CONNECTOR TERMINAL #1. IF NOT OK,
REPAIR CIRCUIT.
5. APPLY BATTERY JUMPER OVER TO WIPER
TERMINAL #1 AND GROUND TERMINAL #5. IF
NOT OK, REPLACE MOTOR.
1. REFER TO WIPER SWITCH DIAGNOSTIC
PROCEDURES.
LH