Voltage - Dodge Ram 2004 Service Manual

Symptom:
DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT
TO VOLTAGE
When Monitored and Set Condition:
DRIVER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLT-
AGE
When Monitored: At all times when battery power is supplied to the Instrument Cluster.
Set Condition: When the Instrument Cluster senses voltage to the driver door lock switch
above 4.85 volts.
DTC PRESENT
INSTRUMENT CLUSTER - DRIVER DOOR LOCK SWITCH VOLTAGE LOW
DOOR LOCK SWITCH GROUND OPEN
DRIVER DOOR LOCK SWITCH MUX WIRE SHORT TO VOLTAGE
INSTRUMENT CLUSTER - VOLTAGE TO HIGH
DRIVER DOOR LOCK SWITCH MUX CIRCUIT OPEN
DOOR LOCK SWITCH - SHORT TO VOLTAGE
DOOR LOCK SWITCH OPEN
TEST
1 With the DRBIII , record and erase DTC's.
Cycle the ignition switch from ON to OFF.
With the DRBIII , read DTC's.
Operate the door locks from the Driver Door Lock Switch while monitoring the
DRBIII .
Does the DRBIII display DRV DOOR LOCK SW INPUT OPEN?
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.
Voltage reading is:.
Above 5.2 volts
Between 4.9 and 5.1 volts
Below 4.8 volts
POSSIBLE CAUSES
ACTION
wiring and connectors. Check for any possible loose connections at
the instrument cluster and the door lock switch.
Perform BODY VERIFICATION TEST - VER 1.
Go To 3
Go To 5
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
POWER DOOR LOCKS/RKE
469
APPLICABILITY
All
All