Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 796
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
The FCM detects a short to ground condition.
Possible Causes
FRONT WIPER MOTOR
(W7) FRONT 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 Wipers on, then off.
With the Scan Tool, read the FCM DTC’s.
Does the Scan Tool read: B2304-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.
WIPER MOTOR
With the scan tool, erase DTCs.
Turn the ignition off.
Disconnect the Front Wiper Motor harness connector.
Turn the ignition on.
Activate the Wipers
Wait 30 seconds.
With the scan tool, read FCM DTCs.
Does the Scan Tool read: B2305-WIPER PARK SWITCH INPUT
CIRCUIT HIGH?
Yes
>> Replace the Front 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)
No
>> Go To 3
8R - 4
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
3.
(W7) FRONT WIPER MOTOR PARK SWITCH SENSE CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the IPM C5 harness connector.
Measure the resistance between ground and the (W7) Front Wiper Park
Switch Sense circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (W7) Front Wiper Park Switch Sense circuit for a
short to ground 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)
LX
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
8R - 5
B2305-WIPER PARK SWITCH INPUT CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
8R - 6
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
The FCM detects an open condition.
Possible Causes
(W7) FRONT WIPER PARK SWITCH SENSE 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 Front Wipers on, then off.
With the Scan Tool, read the FCM DTC’s.
Does the Scan Tool read: B2305-WIPER PARK SWITCH INPUT 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.
(W7) FRONT WIPER PARK SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Front Wiper Motor harness connector.
Disconnect the IPM C5 harness connector.
Measure the voltage on the (W7) Front Wiper Park Switch Sense cir-
cuit.
Is the voltage above 5.0 volts?
Yes
>> Repair the (W7) Front Wiper Park Switch Sense 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 FCM in accordance with the service informa-
tion.
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 - 7
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст