Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 801
3.
(W10)/(W20) WASHER PUMP MOTOR CONTROL CIRCUITS SHORT TOGETHER
Turn the ignition off.
Disconnect the IPM C4 and C5 harness connectors.
Measure the resistance between the (W10) and (W20) Washer Pump
Motor Control circuits.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (W10) and (W20) Washer Pump Motor Control
circuits for a short together.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Go To 4
4.
(W10) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO GROUND
Measure the resistance between ground and the (W10) Washer Pump
Motor Control circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (W10) Washer Pump Motor Control circuit for a
short to ground.
Perform the BODY VERIFICATION TEST — VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Go To 5
8R - 24
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
5.
(W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO GROUND
Measure the resistance between ground and the (W20) Washer Pump
Motor Control circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (W20) Washer Pump Motor Control circuit for a
short to ground.
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 - 25
B2320-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
8R - 26
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
With the ignition on.
•
Set Condition:
The FCM detects an open condition.
Possible Causes
(W10) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
(W20) WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
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 Wiper/Washers DTC’s.
Does the Scan Tool read: B2320-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT HIGH?
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 SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the IPM C4 harness connector.
Disconnect the Washer Pump Motor harness connector.
Turn the ignition on.
Measure the voltage of the (W10) Washer Pump Motor Control circuit.
Is the voltage above 5.0 volts?
Yes
>> Repair the (W10) 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
>> Go To 3
LX
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
8R - 27
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