Dodge Ram Truck 1500-2500-3500. Manual - part 473
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT TO VOLTAGE (CONTINUED)
For the Power Door Lock circuit diagram (Refer to 8 - ELECTRICAL/POWER LOCKS - SCHEMATICS AND DIA-
GRAMS) (Refer to ).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
At all times when battery power is supplied to the Instrument Cluster.
•
Set Condition:
When the Instrument Cluster senses voltage on the passenger door lock switch circuit above 4.85 volts, this
will set and the input will not be valid.
Possible Causes
(G160) PASSENGER DOOR LOCK SWITCH WIRE SHORT TO VOLTAGE
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT OPEN
(Z461) DOOR LOCK SWITCH GROUND OPEN
DOOR LOCK SWITCH SHORT TO VOLTAGE
DOOR LOCK SWITCH OPEN
INSTRUMENT CLUSTER - VOLTAGE TO HIGH
INSTRUMENT CLUSTER - PASSENGER DOOR LOCK SWITCH VOLTAGE LOW
Diagnostic Test
1.
DTC PRESENT
With the DRBIII
T
, record and erase DTC’s.
With the DRBIII
T
, read DTC’s.
Operate the door locks from the Passenger Door Lock
Switch while monitoring the DRBIII
T
.
Does the DRBIII
T
display PASSENGER DOOR
LOCK SWITCH INPUT CIRCUIT OPEN OR SHORT
TO VOLTAGE?
Yes
>> Go To 2
No
>> Using the wiring diagram/schematic as a
guide, inspect the wiring and connectors.
Check for any possible loose connections
at the instrument cluster and the door lock
switch.
Perform BODY VERIFICATION TEST -
VER 1. (Refer to 8 - ELECTRICAL/ELEC-
TRONIC
CONTROL
MODULES/FRONT
CONTROL MODULE - DIAGNOSIS AND
TESTING)
8N - 34
POWER LOCKS - ELECTRICAL DIAGNOSTICS
DR/DH