Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 799
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
When the FCM detects a short/low condition.
Possible Causes
(A11) FUSED B+ CIRCUIT OPEN
WIPER HI/LOW RELAY
FRONT CONTROL MODULE
INTEGRATED POWER MODULE
Diagnostic Test
1.
(A11) FUSED B+ CIRCUIT OPEN
NOTE: Check all fuses and circuit breakers before proceeding with
the diagnosis of this DTC.
Turn the ignition on.
Remove the Wiper HI/LOW relay.
Measure the voltage at cavity 86 of the Wiper HI/LOW relay.
Is the voltage above 10.0 volts?
Yes
>> Go To 2
No
>> Check the (A11) Fused B+ 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)
2.
WIPER HI/LOW RELAY
Turn the ignition off.
Replace the Wiper HI/LOW relay with and known good relay.
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 Wiper DTC’s.
Does the Scan Tool read: B2313-WIPER HI/LOW CONTROL CIRCUIT LOW?
Yes
>> Go To 3
No
>> Replace the Wiper HI/LOW relay.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING)
8R - 16
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
3.
INTEGRATED POWER MODULE
Turn the ignition off.
Disconnect the FCM from the IPM.
Measure the voltage on cavity 29 (Wiper HI/LOW Relay Control) of the
IPM.
Is the voltage above 10.0 volts?
Yes
>> 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)
No
>> Replace the IPM 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 - 17
B2318-WIPER HI/LOW CONTROL CIRCUIT HIGH
For a complete wiring diagram Refer to Section 8W.
8R - 18
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
•
With the ignition on.
•
Set Condition:
•
When the FCM detects a short/HIGH condition.
Possible Causes
INTEGRATED POWER MODULE
Diagnostic Test
1.
INTEGRATED POWER MODULE
Turn the ignition off.
Replace the Wiper HI/LOW relay with and known good relay.
With the Scan Tool, clear all FCM DTC’s.
Turn the Wipers ON then OFF.
With the Scan Tool, read the Wiper DTC’s.
Does the Scan Tool read: B2318-WIPER HI/LOW CONTROL CIRCUIT HIGH?
Yes
>> Replace the Integrated Power Module in accordance with the service information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING)
No
>> Test complete.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING)
LX
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
8R - 19
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