Driver Door Lock Switch Input Short - Chrysler Town and Country 2003 Owner's Manual

POWER DOOR LOCKS/RKE
Symptom:

DRIVER DOOR LOCK SWITCH INPUT SHORT

When Monitored and Set Condition:
DRIVER DOOR LOCK SWITCH INPUT SHORT
When Monitored: At all times when battery power is supplied to the Body Control
Module.
Set Condition: When the BCM senses voltage to the door lock switch below .5 volts for
over 10 seconds.
DTC PRESENT
DOOR LOCK SWITCH SHORTED
DOOR LOCK SWITCH MUX SHORTED
BODY CONTROL MODULE - DOOR LOCK SWITCH VOLTAGE SHORTED
TEST
1 Turn the ignition on.
With the DRBIII , record and erase DTC's.
With the DRBIII , read DTC's.
Remove the key and operate the door locks several times from the Driver Door Lock
Switch while monitoring the DRBIII .
Wait 10 seconds.
Does the DRBIII display DR DOOR LOCK SW INPUT SHORT?
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 DR DOOR SW MUX circuit
Is the voltage above 4.6 volts?
Yes → Replace the Door Lock Switch.
→ Go To 3
No
3 Disconnect the Driver Door Lock Switch connector.
Disconnect the Body Control Module C3 connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance between Door Lock Switch Mux circuit and ground.
Is the resistance below 1000.0 ohms?
Yes → Repair the Door Lock Switch Mux circuit for a short to ground.
→ Go To 4
No
POSSIBLE CAUSES
ACTION
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
756
APPLICABILITY
All
All
All