Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 586
2.
CHECK (P303) PASSENGER DOORS UNLOCK DRIVER CIRCUIT FOR AN OPEN
Measure the resistance of the (P303) Passenger Doors Unlock Driver
circuit between the Cluster C1 connector and the Left Rear Door Latch
connector.
Is the resistance below 2.0 ohms?
Yes
>> Replace the Cluster in accordance with service information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Repair the (P303) Passenger Doors Unlock Driver circuit
for an open.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
8N - 42
POWER LOCKS - ELECTRICAL DIAGNOSTICS
LX
*DRIVER DOOR LOCK INOPERATIVE
For a complete wiring diagram Refer to Section 8W.
LX
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 43
Possible Causes
(P393) DOOR LOCK DRIVER CIRCUIT OPEN
(P393) DOOR LOCK DRIVER CIRCUIT SHORT TO GROUND
(P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT OPEN
(P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT SHORT TO GROUND
DRIVER DOOR LATCH
CLUSTER
Diagnostic Test
1.
DRIVER DOOR LATCH INOPERATIVE
Disconnect the Driver Door Latch connector.
Connect a test light between the (P393) Door Lock Driver circuit and
the (P1) Driver Door Unlock Driver circuit.
Close the front doors or trip the door latches to the closed position.
Operate the door locks in both positions and observe the test light.
Does the test light illuminate brightly for approximately 300 ms.
when the door locks are actuated?
Yes
>> Replace the Driver Door Latch.
Perform BODY VERIFICATION TEST - VER 1 (Refer to
BODY VERIFICATION TEST - VER 1).
No
>> Go To 2
2.
CHECK (P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT FOR AN OPEN
Disconnect the Cluster C1 connector.
Measure the resistance of the (P1) Driver Door Unlock Driver circuit
between the Latch connector and the Cluster C1 connector.
Is the resistance below 2.0 ohms?
No
>> Repair the (P1) Driver Door Unlock Driver circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
Yes
>> Go To 3
8N - 44
POWER LOCKS - ELECTRICAL DIAGNOSTICS
LX
3.
CHECK (P1) DRIVER DOOR UNLOCK DRIVER CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between Ground and the (P1) Driver Door
Unlock Driver circuit.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (P1) Driver Door Unlock Driver circuit for a short
to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Go To 4
4.
CHECK (P393) DOOR LOCK DRIVER CIRCUIT FOR AN OPEN
Measure the resistance of the (P393) Door Lock Driver circuit between
the Cluster C1 connector and the Driver Door Latch connector.
Is the resistance below 2.0 ohms?
Yes
>> Go To 5
No
>> Repair the (P393) Door Lock Driver circuit for an open.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
5.
CHECK (P393) DOOR LOCK DRIVER CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between Ground and the (P393) Door Lock
Driver circuit.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (P393) Door Lock Driver circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Replace the Instrument Cluster in accordance with service
information.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
LX
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 45
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