Dodge Ram Truck 1500-2500-3500. Manual — part 66
CHECKING REAR LOCKER SOLENOID OPERATION (CONTINUED)
5.
FDCM
NOTE: Before continuing, check the FDCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and
Ground circuits.
Were there any problems found?
Yes
>> Repair as necessary.
Perform FDCM VERIFICATION TEST
No
>> Replace and program the Final Drive Control Module in accordance with Service Information.
Perform FDCM VERIFICATION TEST.
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DIFFERENTIAL & DRIVELINE - ELECTRICAL DIAGNOSTICS
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FDCM VERIFICATION TEST
Diagnostic Test
1.
PERFORM FDCM VERIFICATION TEST
CAUTION: Before removing the FDCM harness connector, clean the connector and locking cam area of dirt
and debris. Failure to do so can result in the connector being jammed or damage to the locking cams on
the harness connector or module. Do not force the assist arm when releasing or installing the harness con-
nector.
NOTE: If the SKIM, PCM or FCM was replaced, refer to the service information for proper programming pro-
cedures.
1. Disconnect all jumper wires and reconnect all previously disconnected components and connectors.
2. Ensure that all accessories are turned off.
3. Ensure that the battery is fully charged.
4. With the DRBIII
T
, record and erase all DTC(s) from the FDCM
5. Start and run the engine for 2 minutes while operating all functions of the system that caused the original
concern.
6.
NOTE: When a Stabilizer System DTC diagnostic is complete and all repairs have been made, running the
Stabilizer Motor System Test and/or LED System Test can also provide verification that the DTC has been
repaired and the system is operating normally.
7. Turn the ignition off, wait 5 seconds, then turn the ignition on. Using the DRBIII
T
, read DTC(s) from the
FDCM.
Are any FDCM DTC(s) present or is the original condition still present?
Yes
>> The repair is not complete. Refer to the related category for the DTC or symptom that is still present.
No
>> The repair is complete.
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DIFFERENTIAL & DRIVELINE - ELECTRICAL DIAGNOSTICS
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DIFFERENTIAL & DRIVELINE - SERVICE INFORMATION
TABLE OF CONTENTS
page
page
. . . . . . . . . . . . . . . . . . . . . . 99
. . . . . . . . . . . . . . . . . . . . . . . . . . 131
. . . . . . . . . . . . . . . . . . . . 141
. . . . . . . . . . . . . . . . . . 181
. . . . . . . . . . . . . . . . . . . . . . 226
. . . . . . . . . . . . . . . . . . 265
. . . . . . . . . . . . . . . . . . 310
. . . . . . . . . . . . . . . . . . . . 347
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DIFFERENTIAL & DRIVELINE - SERVICE INFORMATION
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PROPELLER SHAFT
TABLE OF CONTENTS
page
page
PROPELLER SHAFT
. . . . . . . . . . . . . . . . . . . 99
STANDARD PROCEDURE - LUBRICATION
. . . . . . . . . . . . . . . . . . 105
. . . . . . . . . . . . . . . . . . . . . . . 106
SHAFT-PROPELLER LD FRONT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
. . . . . . . . . . . . . . . . . . . . . . . . 108
SHAFT-PROPELLER HD FRONT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
. . . . . . . . . . . . . . . . . . . . . . . . 109
SHAFT-PROPELLER REAR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
. . . . . . . . . . . . . . . . . . . . . . . . 110
BEARING-CENTER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
. . . . . . . . . . . . . . . . . . . . . . . . 111
. . . . . . . . . . . . . . . . . . . . . . . . 112
UNIVERSAL JOINTS-SINGLE CARDAN
DISASSEMBLY - WITH INJECTED RING
UNIVERSAL JOINTS-DOUBLE CARDAN
. . . . . . . . . . . . . . . . . . . . . . . . 123
. . . . . . . . . . . . . . . . . . . . . . . . . . . 125
PROPELLER SHAFT
DIAGNOSIS AND TESTING
PROPELLER SHAFT
PROPELLER SHAFT VIBRATION
Out-of-round tires or wheels that are out of balance, will cause a low frequency vibration.
Driveline vibration can also caused by loose or damaged engine mounts.
Propeller shaft vibration increases with vehicle speed. A vibration that occurs at a specific speed range, is not usu-
ally caused by an out of balance propeller shaft. Defective universal joints or an incorrect propeller shaft angle are
usually the cause of such a vibration.
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PROPELLER SHAFT
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