Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 803
B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
8R - 32
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
Possible Causes
REAR WIPER MOTOR
(W17) REAR WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND
FRONT CONTROL MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all FCM DTC’s.
Turn the Rear Wipers on.
With the Scan Tool, read the FCM DTC’s.
Does the Scan Tool read: B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW?
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.
REAR WIPER MOTOR
Turn the ignition off.
Disconnect the Rear Wiper Motor connector.
Turn the ignition on.
With the Scan Tool, read the FCM DTC’s.
Does the Scan Tool read: B230D-REAR WIPER PARK SWITCH
INPUT CIRCUIT LOW?
Yes
>> Go To 3
No
>> Replace the Rear Wiper Motor in accordance with the ser-
vice 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 - 33
3.
(W17) REAR WIPER PARK SWITCH SENSE CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the FCM C1 harness connector.
Measure the resistance between ground and the (W17) Rear Wiper
Park Switch Sense circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (W17) Rear Wiper Park Switch Sense circuit for
a short condition.
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)
8R - 34
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
B230E-REAR WIPER PARK SWITCH INPUT CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W.
LX
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
8R - 35
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