Chrysler 300/300 Touring/300C, Dodge Magnum. Manual — part 580
B1809–PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK UNLOCK —
CLUSTER
8N - 18
POWER LOCKS - ELECTRICAL DIAGNOSTICS
LX
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously.
•
Set Condition:
When the Passenger Door Lock Switch Mux circuit is between 0.15 and 0.8 volts for over 30 seconds.
Possible Causes
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO THE (P37) PASSENGER DOOR LOCK
SWITCH RETURN CIRCUIT
DOOR LOCK SWITCH SHORT TO GROUND
INSTRUMENT CLUSTER
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Operate the Passenger Door Lock Switch in all positions several times.
Turn the ignition on and wait 30 seconds.
With the scan tool, read DTC’s.
Does the scan tool display B1809–PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK
UNLOCK?
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.
DOOR LOCK SWITCH SHORTED
With the scan tool, erase DTC’s.
Disconnect the Passenger Express Window/Door Lock Switch connec-
tor.
With the scan tool, read DTC’s.
Does the scan tool display B1809–PASSENGER DOOR LOCK/
UNLOCK SWITCH CIRCUIT STUCK UNLOCK?
No
>> Replace the Passenger Express Window/Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
Yes
>> Go To 3
LX
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 19
3.
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the Cluster C1 connector.
Measure the resistance between ground and the (G160) Passenger
Door Lock Switch Mux circuit.
Is the resistance below 10000.0 ohms?
Yes
>> Repair the (G160) Passenger Door Lock Switch Mux circuit
for a short to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Go To 4
4.
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO (P37) PASSENGER DOOR LOCK
SWITCH RETURN CIRCUIT
Disconnect the Cluster C2 connector.
Measure the resistance between the (G160) Passenger Door Lock
Switch Mux circuit and the (P37) Passenger Door Lock Switch Return
circuit.
Is the resistance below 10000.0 ohms?
Yes
>> Repair the (G160) Passenger Door Lock Switch Mux circuit
for a short to the (P37) Passenger Door Lock Switch
Return circuit.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
No
>> Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1. (Refer to
BODY VERIFICATION TEST – VER 1).
8N - 20
POWER LOCKS - ELECTRICAL DIAGNOSTICS
LX
B1826–TRUNK RELEASE SWITCH INPUT CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
LX
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 21
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