Dodge Ram Truck 1500-2500-3500. Manual — part 474
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED (CONTINUED)
For the Power Door Lock circuit diagram (Refer to 8 - ELECTRICAL/POWER LOCKS - SCHEMATICS AND DIA-
GRAMS).
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 to the passenger door lock switch below .25 volts, the input circuit
is not valid and this code will set.
Possible Causes
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORTED TO GROUND
DOOR LOCK SWITCH SHORTED
INSTRUMENT CLUSTER
Diagnostic Test
1.
DTC PRESENT
Turn the ignition on.
With the DRBIII
T
, record and erase DTC’s.
With the DRBIII
T
, read DTC’s.
Operate the door locks several times from the Driver
Door Lock Switch while monitoring the DRBIII
T
.
Does the DRBIII
T
display PASSENGER DOOR
LOCK SW INPUT CIRCUIT SHORTED?
Yes
>> Go To 2
No
>> Using the wiring diagram/schematic as a
guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST -
VER 1. (Refer to 8 - ELECTRICAL/ELEC-
TRONIC
CONTROL
MODULES/FRONT
CONTROL MODULE - DIAGNOSIS AND
TESTING)
8N - 38
POWER LOCKS - ELECTRICAL DIAGNOSTICS
DR/DH
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT SHORTED (CONTINUED)
2.
DOOR LOCK SWITCH SHORTED
Disconnect the Passenger Door Lock Switch connector.
With the DRBIII
T
in sensors, read the PASS DOOR LOCK SW MUX
circuit.
Is the voltage above 4.6 volts?
Yes
>> Replace the Passenger Door Lock Switch.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL
MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Go To 3
3.
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT SHORTED
Turn the ignition off.
Disconnect the Instrument Cluster C4 connector.
Measure the resistance between the (G160) Passenger Door Lock
Switch Mux circuit and ground.
Is the resistance below 1000.0 ohms?
Yes
>> Repair the (G160) Passenger Door Lock Switch Mux cir-
cuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL
MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Replace the Instrument Cluster.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL
MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
DR/DH
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 39
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT STUCK
8N - 40
POWER LOCKS - ELECTRICAL DIAGNOSTICS
DR/DH
PASSENGER DOOR LOCK SWITCH INPUT CIRCUIT STUCK (CONTINUED)
For the Power Door Lock circuit diagram (Refer to 8 - ELECTRICAL/POWER LOCKS - SCHEMATICS AND DIA-
GRAMS).
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 to the passenger door lock switch between 1.3 and 3.95 volts for
over 20 seconds, this code will set.
Possible Causes
(G160) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT PARTIALLY SHORTED TO GROUND
DOOR LOCK SWITCH SHORTED
INSTRUMENT CLUSTER
Diagnostic Test
1.
DTC PRESENT
Turn the ignition on.
With the DRBIII
T
, record and erase DTC’s.
With the DRBIII
T
, read DTC’s.
Operate the door locks several times from the Passen-
ger Door Lock Switch while monitoring the DRBIII
T
.
Does the DRBIII
T
display PASSENGER DOOR
LOCK SWITCH INPUT CIRCUIT STUCK?
Yes
>> Go To 2
No
>> Using the wiring diagram/schematic as a
guide, inspect the wiring and connectors.
Operate the switch several times and
check for an occasional sticking problem.
Perform BODY VERIFICATION TEST -
VER 1. (Refer to 8 - ELECTRICAL/ELEC-
TRONIC
CONTROL
MODULES/FRONT
CONTROL MODULE - DIAGNOSIS AND
TESTING)
DR/DH
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 41
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