Dodge Ram Truck 1500-2500-3500. Manual — part 481
*RIGHT DOORS FAIL TO LOCK AND UNLOCK – QUAD CAB (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.
Possible Causes
DTC PRESENT
(P392) DOOR LOCK DRIVER RIGHT DOORS WIRE OPEN
(G778) DOOR UNLOCK DRIVER RIGHT DOORS WIRE OPEN
DOOR LATCH
INSTRUMENT CLUSTER
Diagnostic Test
1.
DTC PRESENT
Turn the ignition on.
With the DRBIII
T
, read DTC’s.
Does the DRBIII
T
display any Door Lock related
DTC’s?
Yes
>> Refer to symptom list for problems related
to Power Door Locks and diagnose and
repair DTC’s.
No
>> Go To 2
8N - 66
POWER LOCKS - ELECTRICAL DIAGNOSTICS
DR/DH
*RIGHT DOORS FAIL TO LOCK AND UNLOCK – QUAD CAB (CONTINUED)
2.
INSTRUMENT CLUSTER
Turn the ignition off.
Disconnect the Instrument Cluster C1 connector.
Connect a jumper wire between the (G778) Door Unlock Driver Right
Doors circuit in the Instrument Cluster C1 connector and ground.
Momentarily connect a fused jumper wire between the Fused B+ cir-
cuit and the (P392) Door Lock Driver Right Doors circuit in the Instru-
ment Cluster C1 connector.
Reverse the jumper wires to drive the motor in the opposite direction.
Did the Right Doors lock and unlock?
Yes
>> Replace the Instrument Cluster.
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.
(P392) DOOR LOCK DRIVER RIGHT DOORS WIRE OPEN
Disconnect the Passenger Door Latch connector.
Measure the resistance of the (P392) Door Lock Driver Right Doors
circuit between the Instrument Cluster C1 connector and the Passen-
ger Door Latch connector.
Is the resistance below 5.0 ohms?
Yes
>> Go To 4
No
>> Repair the (P392) Door Lock Driver Right Doors wire for
an open.
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 - 67
*RIGHT DOORS FAIL TO LOCK AND UNLOCK – QUAD CAB (CONTINUED)
4.
(G778) DOOR UNLOCK DRIVER RIGHT DOORS WIRE OPEN
Measure the resistance of the (G778) Door Unlock Driver Right Doors
circuit between the Instrument Cluster C1 connector and the Passen-
ger Door Latch connector.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Door Latch.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL
MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
No
>> Repair the (G778) Door Unlock Driver Right Doors wire for
an open.
Perform BODY VERIFICATION TEST - VER 1. (Refer to 8
-
ELECTRICAL/ELECTRONIC
CONTROL
MODULES/
FRONT CONTROL MODULE - DIAGNOSIS AND TEST-
ING)
8N - 68
POWER LOCKS - ELECTRICAL DIAGNOSTICS
DR/DH
*RKE INOPERATIVE
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.
Possible Causes
DTC PRESENT
TRANSMITTER NOT PROGRAMMED
RKE TRANSMITTER
REMOTE KEYLESS ENTRY MODULE
Diagnostic Test
1.
DTC PRESENT
With the DRBIII
T
, read DTCs.
Attempt to operate the door locks with the RKE trans-
mitter.
Does the DRBIII
T
display RKE FOB BATTERY
LOW?
Yes
>> Refer to symptom RKE FOB BATTERY
LOW in this category.
No
>> Go To 2
2.
9001 TESTER AVAILABLE
Do you have access to the Miller Special Tool
(
9001 RF DETECTOR
(
?
No
>> Go To 3
Yes
>> Go To 5
DR/DH
POWER LOCKS - ELECTRICAL DIAGNOSTICS
8N - 69
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