Power Door Locks/Rke; Driver Door Lock Switch Input Open Or Short To Voltage - Chrysler Town and Country 2003 Owner's Manual

POWER DOOR LOCKS/RKE

Symptom:
DRIVER DOOR LOCK SWITCH INPUT OPEN OR SHORT TO VOLT-
AGE
When Monitored and Set Condition:

DRIVER DOOR LOCK SWITCH INPUT OPEN OR SHORT TO VOLTAGE

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 above 4.6 volts for
over 10 seconds.
DTC PRESENT
BODY CONTROL MODULE - DRIVER DOOR LOCK SWITCH VOLTAGE LOW
DOOR LOCK SWITCH GROUND OPEN
DOOR LOCK SWITCH MUX CIRCUIT OPEN
DOOR LOCK SWITCH OPEN
DOOR LOCK SWITCH MUX CIRCUIT SHORT TO VOLTAGE
BODY CONTROL MODULE - DOOR LOCK SWITCH MUX SHORT TO VOLTAGE
TEST
1 With the DRBIII , record and erase DTC's.
Cycle the ignition switch from ON to OFF to ON.
With the DRBIII , read DTC's.
Remove the key and operate the door locks from the Driver Door Lock Switch while
monitoring the DRBIII .
Wait 10 seconds.
Does the DRBIII display DR DOOR LOCK SW INPUT OPEN OR SHORT TO
VOLTAGE?
Yes → Go To 2
→ Using the wiring diagram/schematic as a guide, inspect the
No
2 With the DRBIII in Sensors, read the DR DOOR LOCK SW voltage.
Does the DRBIII display 4.3 volts or greater?
Yes → Go To 3
→ Disconnect the BCM harness connector(s). Check connectors -
No
POSSIBLE CAUSES
ACTION
wiring and connectors.
Perform BODY VERIFICATION TEST - VER 1.
Clean/repair as necessary. If okay, replace the Body Control
Module.
Perform BODY VERIFICATION TEST - VER 1.
754
APPLICABILITY
All
All