Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 802
3.
(W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
Disconnect the IPM C5 harness connector.
Measure the Voltage of the (W20) Washer Pump Motor Control circuit.
Is the voltage above 5.0 volts?
Yes
>> Repair the (W20) Washer Pump Motor Control circuit for a
short to voltage.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Replace the Front Control Module in accordance with the
service information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
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WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
B2321-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
LX
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
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•
When Monitored:
With the ignition on.
•
Set Condition:
The FCM detects an open condition.
Possible Causes
(W10) WASHER PUMP MOTOR CONTROL CIRCUIT OPEN
(W20) WASHER PUMP MOTOR CONTROL CIRCUIT OPEN
FRONT CONTROL MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC’s.
Turn the Washers on.
With the Scan Tool, read the FCM DTC’s.
Does the Scan Tool read: B2321-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT OPEN?
Yes
>> Go To 2
No
>> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible
intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING)
2.
(W10) WASHER PUMP MOTOR CONTROL CIRCUIT OPEN
Turn the ignition off.
Disconnect the IPM C4 harness connector.
Disconnect the Washer Pump Motor harness connector.
Measure the resistance of the (W10) Washer Pump Motor Control cir-
cuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (W10) Washer Pump Motor Control circuit for an
open.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Go To 3
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WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
3.
(W20) WASHER PUMP MOTOR CONTROL CIRCUIT OPEN
Disconnect the IPM C5 harness connector.
Measure the resistance of the (W20) Washer Pump Motor Control cir-
cuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (W20) Washer Pump Motor Control circuit for an
open.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Replace the Front Control Module in accordance with the
service information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
LX
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
8R - 31
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