Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 634
•
When Monitored:
Whenever the module is awake.
•
Set Condition:
When both Driver Window Driver circuits (Up and Down) are grounded during a window movement command,
this code will set.
Possible Causes
(Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND
(Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
(Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORTED TO THE (Q311) DRIVER WINDOW
EXPRESS UP DRIVER CIRCUIT
WINDOW MOTOR SHORTED
DRIVER DOOR MODULE (DDM)
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC’s
Try to operate the Driver Window up and down several times.
Wait 30 seconds.
With the scan tool, read DTC’s.
Does the scan tool display B1854–DRIVER WINDOW MOTOR CONTROL CIRCUIT LOW?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
2.
WINDOW MOTOR SHORTED
With the scan tool, erase DTC’s.
Turn the ignition off.
Disconnect the Driver Window Motor connector.
Turn the ignition on.
Operate the driver window switch up and down several times.
With the scan tool, read DTC’s.
Does the scan tool display B1854–DRIVER WINDOW MOTOR
CONTROL CIRCUIT LOW?
No
>> Replace the Window Motor.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
Yes
>> Go To 3
8N - 234
POWER WINDOWS - ELECTRICAL DIAGNOSTICS
LX
3.
(Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Driver Door Module C1 connector.
Measure the resistance between Ground and the (Q321) Driver Win-
dow Express Down Driver circuit.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (Q321) Driver Window Express Down Driver cir-
cuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Go To 4
4.
(Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO GROUND
Measure the resistance between Ground and the (Q311) Driver Window
Express Up Driver circuit.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (Q311) Driver Window Express Up Driver circuit
for a short to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Go TO 5
5.
(Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO (Q311) DRIVER WINDOW
EXPRESS UP DRIVER CIRCUIT
Measure the resistance between the (Q321) Driver Window Express
Down Driver circuit and the (Q311) Driver Window Express Up Driver
circuit.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (Q321) Driver Window xpress Down Driver cir-
cuit for a short to the (Q311) Driver Window Express Up
Driver circuit.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Replace the Driver Door Module.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
LX
POWER WINDOWS - ELECTRICAL DIAGNOSTICS
8N - 235
B1855–DRIVER WINDOW MOTOR CONTROL CIRCUIT HIGH – DDM
For a complete wiring diagram Refer to Section 8W.
8N - 236
POWER WINDOWS - ELECTRICAL DIAGNOSTICS
LX
•
When Monitored:
Whenever the module is awake.
•
Set Condition:
When both Driver Window Driver circuits (Up and Down) are supplied with voltage during a window movement
command, this code will set.
Possible Causes
(Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE
(Q311) DRIVER WINDOW EXPRESS UP DRIVER CIRCUIT SHORT TO VOLTAGE
DRIVER DOOR MODULE (DDM)
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase DTC’s
Try to operate the Driver Window up and down several times.
Wait 30 seconds.
With the scan tool, read DTC’s.
Does the scan tool display B1855–DRIVER WINDOW MOTOR CONTROL CIRCUIT HIGH?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1. (Refer to BODY VERIFICATION TEST – VER 1).
2.
(Q321) DRIVER WINDOW EXPRESS DOWN DRIVER CIRCUIT SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the Driver Door Module C1 connector.
Turn the ignition on.
Measure the voltage between the (Q321) Driver Window Express Down
Driver circuit and Ground.
Is there any voltage present?
Yes
>> Repair the (Q321) Driver Window Express Down Driver cir-
cuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Go To 3
LX
POWER WINDOWS - ELECTRICAL DIAGNOSTICS
8N - 237
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