Chrysler 300M 1999 Manual page 701

TEST 2A
REPAIRING WIPER ON/OFF RELAY CONTROL CIRCUIT OPEN OR SHORTED LOW
Perform TEST 1A Before Proceeding
START TEST 2A.
TURN IGNITION OFF.
REMOVE THE WIPER
ON/OFF RELAY AND
SUBSTITUTE WITH A
KNOWN GOOD RELAY.**
FIG. 1
KEY OFF.
REMOVE THE WIPER
ON/OFF RELAY.
DISCONNECT BCM
"C3" HARNESS
CONNECTOR.**
USING A JUMPER WIRE,
CONNECT THE WIPER
ON/OFF RELAY CONTROL
CIRCUIT TO GROUND.
FIG. 2
*Perform Verification TEST VER-2A.
NOTE: FOR LOCATION
OF ALL COMPONENTS
SEE GENERAL INFO 4.0
KEY ON.
TURN THE WIPERS ON
LOW SPEED.
USING A VOLTMETER,
MEASURE BOTH FUSED
B(+) CIRCUITS.
FIG. 1
REINSTALL THE
WIPER ON/OFF
RELAY.
**Check connectors - Clean / repair as necessary.
691
DO THE WIPERS RUN YES
CONTINUOUSLY WITH
THE IGNITION OFF?
NO
DO THE WIPERS YES
OPERATE ON LOW
SPEED?
NO
IS THE VOLTAGE
ABOVE 10.0 VOLTS NO
FOR BOTH
MEASUREMENTS?
YES
DID THE WIPERS YES
TURN ON?
NO
PERFORM TEST
3A.
REPLACE THE
ORIGINAL WIPER
ON/OFF RELAY.*
REPAIR OPEN FUSE
OR OPEN FUSED B(+)
CIRCUIT(S).*
REPLACE THE BODY
CONTROL MODULE.*
REPAIR THE OPEN
WIPER ON/OFF RELAY
CONTROL CIRCUIT.*
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