Symptom:
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT STUCK
When Monitored and Set Condition:
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT STUCK
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 between 1.3 and 3.95 for over 20 seconds, this code will set.
POSSIBLE CAUSES
DTC PRESENT
INSTRUMENT CLUSTER - DOOR LOCK SWITCH VOLTAGE INCORRECT
DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND
DOOR LOCK SWITCH STUCK
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, record and erase DTC’s.
With the DRBIIIt, read DTC’s.
Operate the door lock several times from the Passenger Door Lock Switch while
monitoring the DRBIIIt.
Does the DRBIIIt display Pass DOOR LOCK SW INPUT STUCK?
All
Yes → Go To 2
No → Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors. Check the door lock switch for a possible
intermittent sticking condition
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRBIIIt in Sensors, read the PASS DOOR LOCK SW MUX voltage.
Does the DRBIIIt display voltage between 1.3 and 3.95 volts?
All
Yes → Go To 3
No → Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
3 Disconnect the Passenger Door Lock Switch connector.
Measure the voltage between Door Lock Switch Mux circuit and ground.
Is the voltage above 4.6 volts?
All
Yes → Test Complete.
No → Repair the Passenger Door Lock Switch Mux circuit for a partial
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
480
POWER DOOR LOCKS/RKE
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