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Chrysler Pacifica. Manual - part 545

CONDITION

POSSIBLE CAUSE

CORRECTION

WIPER WILL NOT PARK.

1. OPEN WIPER MOTOR
PARK CIRCUIT.

1. OPEN OR DEFECTIVE CIRCUIT BETWEEN
WIPER MOTOR CONNECTOR TERMINAL #4
AND BCM TERMINAL #3C. IF NOT OK, REPAIR
CIRCUIT.

2. DEFECTIVE BCM.

2. REFER TO BCM DIAGNOSTIC PROCEDURES.

3. DEFECTIVE WIPER
MOTOR.

3. APPLY BATTERY JUMPER POWER TO WIPER
TERMINAL #2 (LOW SPEED) AND GROUND
TERMINAL #5 (COMMON GROUND). POSITION
AN OHMMETER ACROSS MOTOR PARK
TERMINAL #4 AND COMMON GROUND. THE
OHMMETER MUST INDICATE ONE SHORT,
ONCE EVERY MOTOR REVOLUTION. OR WITH
MOTOR IN

PARK

POSITION, CHECK FOR

CONTINUITY BETWEEN MOTOR TERMINAL #4
AND 5. IF NOT OK, REPLACE MOTOR.

WIPER WILL NOT RUM TO
PARK AFTER IGNITION OFF.

1. DEFECTIVE BCM.

1. REFER TO BCM DIAGNOSTIC PROCEDURES.

WIPER RUNS THRU PARK
POSITION ON WINDSHIELD.

1. DEFECTIVE ON/OFF
RELAY.

1. CHECK WIPER ON/OFF RELAY WITH KNOWN
GOOD RELAY. IF NOT OK, REPLACE RELAY.

2. OPEN ON/OFF RELAY
GROUND CIRCUIT.

2. OPEN OR DEFECTIVE CIRCUIT BETWEEN
ON/OFF RELAY CAVITY

AND LEFT

HEADLAMP GROUND #5 OR ENGINE GROUND
#1 OR 2.

WIPER RUNS
CONTINUOUSLY OR
INTERMITTENTLY IN LOW
SPEED WITH IGNITION OR
ACCESSORY ON AND
WIPER SWITCH OFF.

1. DEFECTIVE ON/OFF
RELAY.

1. CHECK WIPER ON/OFF RELAY WITH KNOWN
GOOD RELAY. IF NOT OK, REPLACE RELAY.

2. DEFECTIVE CONTROL
CIRCUIT TO BCM.

2. INTERMITTENT OR CONTINUOUS SHORT
BETWEEN ON/OFF RELAY CAVITY

AND

BCM CONNECTOR TERMINAL #4C. IF NOT OK,
REPAIR CIRCUIT.

3. DEFECTIVE BCM.

3. REFER TO BCM DIAGNOSTIC PROCEDURES.

WIPER MOTOR POWER
FEED FUSE OPEN.

1. POWER DISTRIBUTION
CENTER (PDC) FUSE

DEFECTIVE.

1. CHECK FUSE

. IF NOT OK, REPLACE

FUSE.

WIPER SWITCH POWER
FEED FUSE OPEN.

1. JUNCTION BLOCK FUSE
#5 DEFECTIVE.

1. CHECK FUSE #5. IF NOT OK, REPLACE
FUSE.

WIPERS/WASHERS

8R - 9

FRONT WIPER MOTOR (Continued)

CONDITION

POSSIBLE CAUSE

CORRECTION

WIPER SYSTEM WILL NOT
RUN.

1. PDC FUSE

BLOWN.

1. SHORT CIRCUIT BETWEEN PDC FUSE

AND ON/OFF RELAY CAVITY

HI/LO RELAY CAVITY

. SHORT CIRCUIT IN

ON/OFF RELAY OR HI/LO RELAY. SHORT
CIRCUIT BETWEEN ON/OFF RELAY CAVITY

AND HI/LO RELAY CAVITY

. IF NOT OK,

REPLACE ON/OFF RELAY OR REPAIR
CIRCUIT(S).

2. JUNCTION BLOCK FUSE
#5 BLOWN.

2. SHORT CIRCUIT BETWEEN JUNCTION
BLOCK FUSE #5 AND WIPER SWITCH
TERMINAL #1. SHORT IN WIPER SWITCH. IF
NOT OK, REPAIR CIRCUIT OR REFER TO
WIPER SWITCH DIAGNOSTIC PROCEDURES.

3. ON/OFF RELAY
DEFECTIVE.

3. CHECK WITH A KNOWN GOOD RELAY. IF
NOT OK, REPLACE RELAY.

4. MOTOR CONNECTOR
DEFECTIVE (LOOSE, BENT
OR CORRODED).

4. CHECK MOTOR CONNECTOR FOR BENT,
LOOSE, OR CORRODED CONNECTOR.

5. OPEN POWER CIRCUIT
TO MOTOR.

5. OPEN OR DEFECTIVE CIRCUIT BETWEEN
PDC FUSE

AND ON/OFF RELAY CAVITY

. OPEN OR DEFECTIVE CIRCUIT

BETWEEN ON/OFF RELAY CAVITY

AND

HI/LO RELAY CAVITY

. IF NOT OK, REPLACE

ON/OFF RELAY OR REPAIR CIRCUIT(S).

6. BCM CONNECTORS

AND

(LOOSE, BENT OR

CORRODED).

6. CHECK BCM CONNECTORS

AND

FOR

BENT, LOOSE, OR CORRODED CONNECTORS.

7. OPEN OR DEFECTIVE
CONTROL CIRCUIT TO
BCM.

7. OPEN OR DEFECTIVE CIRCUIT BETWEEN
ON/OFF RELAY CAVITY

AND BCM

CONNECTOR TERMINAL #4C. OPEN OR
DEFECTIVE CIRCUIT BETWEEN WIPER
SWITCH TERMINAL #5 AND BCM CONNECTOR
TERMINAL #5B. DEFECTIVE BCM. IF NOT OK,
REPAIR CIRCUIT(S) OR REFER TO BCM
DIAGNOSTIC PROCEDURES.

8. OPEN OR DEFECTIVE
MOTOR GROUND CIRCUIT.

8. OPEN OR DEFECTIVE CIRCUIT BETWEEN
WIPER MOTOR CONNECTOR GROUND
TERMINAL #5 AND LEFT HEADLAMP GROUND
#5 OR ENGINE GROUND #1 OR 2.

9. OPEN CIRCUIT IN
MOTOR.

9. CHECK FOR OPEN CIRCUIT IN MOTOR
BETWEEN LO SPEED TERMINAL #2 AND
GROUND TERMINAL #5 OR BETWEEN HI
SPEED TERMINAL #1 AND GROUND TERMINAL
#5. IF NOT OK, REPLACE WIPER MOTOR.

10. STRIPPED GEARS IN
MOTOR.

10. APPLY BATTERY VOLTAGE TO MOTOR HI
SPEED OR LO SPEED CIRCUIT. IF MOTOR
RUNS AND OUTPUT CRANK RUNS
INTERMITTENTLY OR DOES NOT RUN,
REPLACE MOTOR.

11. SEIZED MOTOR
BEARINGS.

11. APPLY BATTERY VOLTAGE TO MOTOR HI
SPEED OR LO SPEED CIRCUIT. IF MOTOR
DOES NOT RUN, REPLACE MOTOR.

8R - 10

WIPERS/WASHERS

FRONT WIPER MOTOR (Continued)

CONDITION

POSSIBLE CAUSE

CORRECTION

WIPER SYSTEM MAKES
REVERSAL NOISE.

1. LOOSE ARM TO BLADE
CONNECTION.

1. INSPECT CONNECTION FOR DAMAGE,
BENDING, EXCESSIVE WARE. REPLACE ARM
OR BLADE IF NOT OK.

2. LOOSE MASTER LINK.

2. REPLACE MASTER LINK IF NOT OK.

3. LOOSE SLAVE LINK.

3. REPLACE SLAVE LINK IF NOT OK.

4. LOOSE LINKAGE
PIVOT(S).

4. REPLACE LINKAGE FRAME IF NOT OK.

5. LOOSE MOTOR CRANK.

5. TIGHTEN CRANK NUT TO SPECIFICATION.

6. EXCESSIVE MOTOR
GEARBOX

BACKLASH

LOOSE ARMATURE.

6. REPLACE WIPER MOTOR.

WIPER ARM(S) CHATTER
ON WINDSHIELD.

1. PERMANENT HI OR LO
TEMPERATURE SET OF
BLADE ELEMENT EDGE.

1. INSPECT RUBBER ELEMENT FOR
PERMANENT SET. IF NOT OK, REPLACE
RUBBER ELEMENT.

2. BENT OR DAMAGED
BLADE STRUCTURE.

2. INSPECT BLADE. IF NOT OK, REPLACE
BLADE.

3. BENT OR DAMAGED
ARM.

3. INSPECT ARM. IF NOT OK, REPLACE ARM.

DRIVER AND/OR
PASSENGER ARM WILL NOT
CYCLE (OPERATE).

1. LOOSE ARM TO PIVOT
SHAFT.

1. CHECK ARM TO PIVOT SHAFT CONNECTION
FOR LOOSENESS. TORQUE NUT TO
SPECIFICATION.

2. STRIPPED ARM TO
PIVOT SHAFT.

2. CHECK ARM TO PIVOT SHAFT FOR
STRIPPING. TORQUE NUT TO SPECIFICATION.
IF NOT OK, REPLACE ARM.

DRIVER AND/OR
PASSENGER ARM OR
BLADE HITS COWL SCREEN
OR WINDSHIELD
MOLDINGS.

1. ARM(S) OUT OF
POSITION.

1. REMOVE ARM OFF PIVOT SHAFT, CYCLE
MODULE TO PARK. REPOSITION ARM/BLADE
TO LOCATION MARKS ON WINDSHIELD.
SECURE ARM TO PIVOT SHAFT AND TORQUE
TO SPECIFICATION.

WIPER BLADE(S) STREAK.

1. CONTAMINATION ON
BLADE ELEMENT OR
WINDSHIELD.

1. CLEAN BLADE ELEMENT EDGE WITH MILD
SOAP OR ALCOHOL AND WATER. CLEAN
WINDSHIELD WITH MILD SOAP OR NON-
ABRASIVE CLEANSER AND WATER. CHECK
FOR PROPER WIPE QUALITY. IF NOT OK,
REPLACE BLADE ELEMENT.

2. BLADE ELEMENT
DAMAGED.

2. REPLACE BLADE ELEMENT.

WIPERS/WASHERS

8R - 11

FRONT WIPER MOTOR (Continued)

CONDITION

POSSIBLE CAUSE

CORRECTION

POOR COLD
TEMPERATURE WIPE
QUALITY.

1. NO WASHER FLUID FOR
WASH/WIPE CYCLE.

1. ADD WASHER FLUID TO RESERVOIR.

2. POOR WINDSHIELD
DEFROST PERFORMANCE.

2. CHECK WINDSHIELD DEFROSTER FOR
PROPER FUNCTION AND PERFORMANCE.

3. PERMANENT HI OR LO
TEMPERATURE SET OF
BLADE ELEMENT EDGE.

3. INSPECT RUBBER ELEMENT FOR
PERMANENT SET. IF NOT OK, REPLACE
RUBBER ELEMENT.

4. LOW ARM FORCE

4. CHECK FOR PROPER ARM FORCE. IF NOT
OK, REPLACE ARM.

REMOVAL

(1) Disconnect and isolate the battery negative

cable.

(2) Remove the wiper module (Refer to 8 - ELEC-

TRICAL/WIPERS/WASHERS/WIPER

MODULE

REMOVAL) and (Fig. 4).

(3) With wiper module on bench, pry apart the

socket and ball joint at the end of the bell crank (Fig.
5).

(4) Remove the three front wiper motor mounting

bolts (Fig. 5) and remove motor from module/linkage.

INSTALLATION

(1) Position the wiper motor into wiper module

and install the three front wiper motor mounting
bolts (Fig. 5).

(2) Press the socket and ball joint together on end

of bell crank (Fig. 5).

(3) Install the wiper module (Refer to 8 - ELEC-

TRICAL/WIPERS/WASHERS/WIPER

MODULE

INSTALLATION) and (Fig. 4).

(4) Connect the battery negative cable.
(5) Verify vehicle and system operation.
(6) Close hood.

REAR WIPER ARM

REMOVAL

(1) Lift up the wiper arm nut cover by pivoting out

of the way (Fig. 6).

(2) Remove the rear wiper arm retaining nut (Fig.

6).

(3) Lift rear wiper arm off the rear window and

gently rock the arm back and forth until it comes off
(Fig. 6). Or, use an appropriate battery terminal
puller to pull arm off rear motor shaft.

Fig. 4 FRONT WIPER MODULE- REMOVE/INSTALL

1 - FRONT WIPER MODULE
2 - FRONT WIPER MOTOR

Fig. 5 FRONT WIPER MOTOR MOUNTING

1 - WIPER LINKAGE BELL CRANK
2 - BELL CRANK TO OUTPUT SHAFT RETAINING NUT
3 - FRONT WIPER MOTOR MOUNTING BOLTS
4 - FRONT WIPER MOTOR
5 - FRONT WIPER MODULE/LINKAGE

8R - 12

WIPERS/WASHERS

FRONT WIPER MOTOR (Continued)

Content .. 543 544 545 546 ..