2006 DODGE RAM SRT-10 Service Repair Manual

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Page 4305 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual BOOT-EXTENSION HOUSING SEAL AND DUST
REMOVAL
1. Raise and support vehicle.
2. Remove rear propeller shaft. (Refer to 3 - DIFFER-
ENTIAL & DRIVELINE/PROPELLER SHAFT/PRO-
PELLER SHAFT - REMOVAL)
3. Use

Page 4306 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual FLUID
STANDARD PROCEDURE - FLUID DRAIN AND REFILL
The fill (1) and drain (2) plugs are both in the rear
case.
1. Raise vehicle.
2. Position drain pan under transfer case.
NOTE: It may be necessary to

Page 4307 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual SEAL-FRONT OUTPUT SHAFT
REMOVAL
1. Remove the front propeller shaft (Refer to 3 - DIF-
FERENTIAL & DRIVELINE/PROPELLER SHAFT/
PROPELLER SHAFT - REMOVAL).
2. Install two bolts 180° apart into the fron

Page 4308 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual SENSOR-MODE
DESCRIPTION
The transfer case mode sensor (1) is an electronic
device whose output can be interpreted to indicate the
shift motor shaft’s rotary position. The sensor consists
of a magnet

Page 4309 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual Transfer Case
Angle (degrees)Sensor Channel A Sensor Channel B Sensor Channel C Sensor Channel D
0 (2WD/AWD) H L H L
Between Gears H L H H
Between Gears L L H H
-20 (4HI) L L H L
Between Gears L L H H

Page 4310 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual SWITCH-SELECTOR
DESCRIPTION
The selector switch assembly is mounted in the left
side of the vehicle’s Instrument Panel (IP) and con-
sists of a rotary knob connected to a resistive network
for the m

Page 4311 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual For resistances between the ranges A and B shown for the fault condition (short) and T-Case NEUTRAL, the TCCM
may interpret the resistance as:
the T-Case NEUTRAL position.
an invalid fault position.
T

For resistances between the ranges A and B shown for the fault condition (short) and T-Case NEUTRAL, the TCCM
may interpret the resistance as:
the T-Case NEUTRAL position.
an invalid fault position.
The LED’s in the selector assembly are illuminated/flashed in the following manner to indicate a particular condition
or state.
A solidly illuminated LED indicates asuccessfully completed shift and the current operating mode of the trans-
fer case. While a shift has been requested but not yet completed, the LED forthe desired transfer case posi-
tion is flashed.
A flashing operating mode LED for the desired gear indicates that a shift tothat position has been requested,
but all of the driver controllable conditions have not been met. This is in an attempt to notify the driver that the
transmission needs to be put into NEUTRAL, the vehicle speed is too great, or some other condition outlined
(other than a diagnostic failure that would prevent this shift) elsewhere(Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/TRANSFER CASE CONTROL MODULE - OPERATION) is not met. Note that
this flashing will continue indefinitely until the conditions are eventually met, or the selector switch position is
changed, or if diagnostic routines no longer allow the requested shift.
If the driver attempts to make a shift into transfer case NEUTRAL, and any ofthe driver controllable conditions
are not met, the request will be ignored until all of the conditions are met or until the NEUTRAL select button
is released. Additionally the neutral lamp will flash, or begin to flash while the button is depressed and operator
controllable conditions are not being met. All of the LED’s except the Neutral will flash if any of the operator
controllable conditions for shifting are not met while the Neutral buttonis depressed. This
toggletype of fea-
ture is necessary because the TCCM would interpret another request immediately after the shift into transfer
case NEUTRAL has completed.
No LED’s illuminated indicate a fault in the transfer case control system.

Page 4312 of 5267

DODGE RAM SRT-10 2006 Service Repair Manual MOTOR-SHIFT
DESCRIPTION
The shift motor (1) consists of a permanent magnet
D.C. motor with gear reduction to convert a high
speed-low torque device into a low speed-high torque
device. The output of t

MOTOR-SHIFT
DESCRIPTION
The shift motor (1) consists of a permanent magnet
D.C. motor with gear reduction to convert a high
speed-low torque device into a low speed-high torque
device. The output of the device is coupled to a shaft
which internally moves the mode and range forks that
change the transfer case operating ranges. The motor
is rated at 25 amps maximum at (23° C (72° F) with
10 volts at the motor leads.
OPERATION
The transfer case shift motor responds to the Transfer
Case Control Module (TCCM) commands to move the transfer case shift sectorbi-directionally, as required, to
obtain the transfer case operating mode indicated by the instrument panelmounted selector switch.
REMOVAL
NOTE: New shift motor assemblies are shipped in the 2WD/AWD position. If a new shift motor assembly will
be installed, it will be necessary to shift the transfer case to the 2WD/AWDposition prior to motor removal.
1. Raise the vehicle on a suitable hoist.
2. Disengage the wiring connectors from the shift motor and mode sensor.
3. Remove the bolts holding the shift motor and mode sensor assembly onto the transfer case.
4. Separate the shift motor and mode sensor assembly from the transfer case.
INSTALLATION
1. Verify that the shift sector o-ring is clean and properly positioned over the shift sector and against the transfer
case.
NOTE: Verify that the shift motor position and sector shaft orientation are aligned. It may be necessary to
manually shift the transfer case if the shift motor and sector shaft are notaligned.
2. Position the shift motor and mode sensor assembly onto the transfer case.
3. Install the bolts to hold the assembly onto the transfer case. Tighten the bolts to 16-24 Nꞏm (12-18 ft.lbs.).
CAUTION: If the original shift motor and mode sensor assembly bolts are reused, be sure to use Mopar
Lock & Seal or Loctite™ 242 to replenish the lock patch material originallyfound on the bolts
4. Engage the wiring connectors to the shift motor and mode sensor.
5. Refill the transfer case as necessary.
6. Lower vehicle and verify transfer case operation.

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