Dodge Durango (HB). Manual — part 373
HB
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 5
B1801 DRIVER DOOR LOCK/UNLOCK SWITCH INPUT CIRCUIT LOW — CLUSTER
For the Power Door Lock circuit diagram (Refer to 8 - ELECTRICAL/POWER LOCKS - SCHEMATICS AND DIA-
GRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously
•
Set Condition:
When the Driver Door Lock Switch Mux circuit is below 1.5 volts for over 5 seconds.
Possible Causes
(G161) DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO GROUND
DOOR LOCK SWITCH SWITCH SHORT TO GROUND
INSTRUMENT CLUSTER
Theory of Operation
This code will only set in vehicles that do not have the Memory System.
Diagnostic Test
1.
TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC’s
Operate the Driver Door Lock Switch in all positions several times.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read DTC’s.
Does the scan tool display DRIVER DOOR LOCK/UNLOCK
SWITCH INPUT 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/schematic
as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
8N - 6
POWER LOCKS - ELECTRICAL DIAGNOSTICS
HB
B1801 DRIVER DOOR LOCK/UNLOCK SWITCH INPUT CIRCUIT LOW — CLUSTER — (CONTINUED)
2.
DOOR LOCK SWITCH SHORTED
With the scan tool, erase DTC’s.
Disconnect the Driver Window/Door Lock Switch connector.
With the scan tool, read DTC’s.
Does the scan tool display DRIVER DOOR LOCK/UNLOCK
SWITCH INPUT CIRCUIT LOW?
No
>> Replace the Driver Window/Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1.
Yes
>> Go To 3
3.
DRIVER DOOR LOCK SWITCH MUX CIRCUIT SHORT TO
GROUND
Disconnect the Cluster C2 connector.
Measure the resistance between ground and the (G161) Driver Door
Lock Switch Mux circuit.
Is the resistance below 10000.0 ohms?
Yes
>> Repair the(G161) Driver Door Lock Switch Mux circuit for
a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
>> Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
HB
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 7
B1801 DRIVER DOOR LOCK/UNLOCK SWITCH INPUT CIRCUIT LOW — CLUSTER — (CONTINUED)
8N - 8
POWER LOCKS - ELECTRICAL DIAGNOSTICS
HB
B1803–DRIVER DOOR LOCK/UNLOCK SWITCH INPUT STUCK LOCK— CLUSTER
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