Chrysler 300M Service Manual page 483

LH
WIPER MOTOR (Continued)
CONDITION
WIPER SYSTEM MAKES
REVERSAL NOISE.
WIPER ARM(S) CHATTER
ON WINDSHIELD.
POSSIBLE CAUSE
6. BCM CONNECTORS B
AND C (LOOSE, BENT OR
CORRODED).
7. OPEN OR DEFECTIVE
CONTROL CIRCUIT TO
BCM.
8. OPEN OR DEFECTIVE
MOTOR GROUND CIRCUIT.
9. OPEN CIRCUIT IN
MOTOR.
10. STRIPPED GEARS IN
MOTOR.
11. SEIZED MOTOR
BEARINGS.
1. LOOSE ARM TO BLADE
CONNECTION.
2. LOOSE MASTER LINK.
3. LOOSE SLAVE LINK.
4. LOOSE LINKAGE
PIVOT(S).
5. LOOSE MOTOR CRANK.
6. EXCESSIVE MOTOR
GEARBOX BACKLASH OR
LOOSE ARMATURE.
1. PERMANENT HI OR LO
TEMPERATURE SET OF
BLADE ELEMENT EDGE.
2. BENT OR DAMAGED
BLADE STRUCTURE.
3. BENT OR DAMAGED
ARM.
WIPERS/WASHERS 8R - 25
CORRECTION
6. CHECK BCM CONNECTORS B AND C
FOR BENT, LOOSE, OR CORRODED
CONNECTORS.
7. OPEN OR DEFECTIVE CIRCUIT BETWEEN
ON/OFF RELAY CAVITY C 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 CIRCUIT BETWEEN
WIPER MOTOR CONNECTOR GROUND
TERMINAL #5 AND LEFT HEADLAMP GROUND
#5 OR ENGINE GROUND #1 OR 2.
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. 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. APPLY BATTERY VOLTAGE TO MOTOR HI
SPEED OR LO SPEED CIRCUIT. IF MOTOR
DOES NOT RUN, REPLACE MOTOR.
1. INSPECT CONNECTION FOR DAMAGE,
BENDING, EXCESSIVE WARE. REPLACE ARM
OR BLADE IF NOT OK.
2. REPLACE MASTER LINK IF NOT OK.
3. REPLACE SLAVE LINK IF NOT OK.
4. REPLACE LINKAGE FRAME IF NOT OK.
5. TIGHTEN CRANK NUT TO SPECIFICATION.
6. REPLACE WIPER MOTOR.
1. INSPECT RUBBER ELEMENT FOR
PERMANENT SET. IF NOT OK, REPLACE
RUBBER ELEMENT.
2. INSPECT BLADE. IF NOT OK, REPLACE
BLADE.
3. INSPECT ARM. IF NOT OK, REPLACE ARM.