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.
POSSIBLE CAUSES
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 ACTION APPLICABILITY
1 With the DRBIIIt, record and erase DTC’s.
Cycle the ignition switch from ON to OFF.
With the DRBIIIt, read DTC’s.
Operate the door locks from the Driver Door Lock Switch while monitoring the
DRBIIIt.
Does the DRBIIIt display DRV DOOR LOCK SW INPUT OPEN?
All
Yes → Go To 2
No → Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors. Check for anypossible loose connections at
the instrument cluster and the door lock switch.
Perform BODY VERIFICATION TEST - VER 1.
2 With the DRBIIIt in Sensors, read the DR DOOR LOCK SW voltage.
Voltage reading is:.
All
Above 5.2 volts
Go To 3
Between 4.9 and 5.1 volts
Go To 5
Below 4.8 volts
Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1.
469
POWER DOOR LOCKS/RKE
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