Passenger Door Lock Switch Input Circuit Shorted - Dodge Ram 2004 Service Manual

POWER DOOR LOCKS/RKE
Symptom:

PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED

When Monitored and Set Condition:
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED
When Monitored: At all times when battery power is supplied to the Instrument Cluster.
Set Condition: When the Instrument Cluster senses voltage to the passenger door lock
switch below .25 volts, the input circuit is not valid and this code will set.
DTC PRESENT
DOOR LOCK SWITCH SHORTED
DOOR LOCK SWITCH MUX SHORTED
INSTRUMENT CLUSTER - - PASSENGER DOOR LOCK SWITCH INPUT SHORTED
TEST
1 Turn the ignition on.
With the DRBIII , record and erase DTC's.
With the DRBIII , read DTC's.
Operate the door locks several times from the Passenger Door Lock Switch while
monitoring the DRBIII .
Does the DRBIII display PASS DOOR LOCK SW INPUT CIRCUIT SHORTED?
Yes → Go To 2
→ Using the wiring diagram/schematic as a guide, inspect the
No
2 Disconnect the Door Lock Switch connector.
With the DRBIII in Sensors, read the PASS DOOR LOCK SW MUX circuit
Is the voltage above 4.6 volts?
Yes → Replace the Door Lock Switch.
→ Go To 3
No
3 Disconnect the Passenger Door Lock Switch connector.
Disconnect the Instrument Cluster C2. connector.
Measure the resistance between Passenger Door Lock Switch Mux circuit and
ground.
Is the resistance below 1000.0 ohms?
Yes → Repair the Passenger Door Lock Switch Mux circuit for a short to
→ Go To 4
No
POSSIBLE CAUSES
ACTION
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
ground.
Perform BODY VERIFICATION TEST - VER 1.
478
APPLICABILITY
All
All
All