Dodge Dakota (ND). Manual - part 479
initialization will allow the existing Sentry Keys to be programmed into the new SKREEM so that new keys will not
be required. In the event that the original Secret Key code cannot be recovered, SKREEM replacement will also
require new Sentry Keys. The diagnostic scan tool will alert the technician during the SKIS initialization procedure if
new Sentry Keys are required.
When the ignition switch is turned to the On position, the SKREEM transmits an RF signal to the transponder in the
ignition key. The SKREEM then waits for an RF signal response from the transponder. If the response received
identifies the key as valid, the SKREEM sends a valid key message to the PCM over the CAN data bus. If the
response received identifies the key as invalid or if no response is received from the key transponder, the SKREEM
sends an invalid key message to the PCM. The PCM will enable or disable engine operation based upon the status
of the SKREEM messages. It is important to note that the default condition in the PCM is an invalid key; therefore,
if no message is received from the SKREEM by the PCM, the engine will be disabled and the vehicle immobilized
after two seconds of running.
The SKREEM also sends security indicator status messages to the EMIC over the CAN data bus to tell the EMIC
how to operate the security indicator. The security indicator status message from the SKREEM tells the EMIC to
turn the indicator on for about three seconds each time the ignition switch is turned to the On position as a bulb
test. After completion of the bulb test, the SKREEM sends security indicator status messages to the EMIC to turn
the indicator off, turn the indicator on, or to flash the indicator on and off. If the security indicator flashes or stays on
solid after the bulb test, it signifies a SKIS fault. If the SKREEM detects a system malfunction and/or the SKIS has
become inoperative, the security indicator will stay on solid. If the SKREEM detects an invalid key or if a key tran-
sponder-related fault exists, the security indicator will flash. If the vehicle is equipped with the Customer Learn tran-
sponder programming feature, the SKREEM will also send messages to the EMIC to flash the security indicator
whenever the Customer Learn programming mode is being utilized. (Refer to 8 - ELECTRICAL/VEHICLE THEFT
SECURITY - STANDARD PROCEDURE - SENTRY KEY TRANSPONDER PROGRAMMING).
The SKIS performs a self-test each time the ignition switch is turned to the On position, and will store fault infor-
mation in the form of a Diagnostic Trouble Code (DTC) in SKREEM memory if a system malfunction is detected.
The SKREEM can be diagnosed, and any stored DTC can be retrieved using a diagnostic scan tool. Refer to the
appropriate diagnostic information.
REMOVAL
WARNING: To avoid personal injury or death, on vehicles equipped with airbags, disable the supplemental
restraint system before attempting any steering wheel, steering column, airbag, occupant classification sys-
tem, seat belt tensioner, impact sensor, or instrument panel component diagnosis or service. Disconnect
and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge
before performing further diagnosis or service. This is the only sure way to disable the supplemental
restraint system. Failure to take the proper precautions could result in accidental airbag deployment.
1. Disconnect and isolate the battery negative cable.
2. Grasp the tilt steering column knob firmly and pull it
straight rearward to remove it from the tilt adjuster
lever on the left side of the column.
3. From below the steering column, remove the two
outboard screws that secure the upper column
shroud (1) to the lower shroud (3).
4. Using hand pressure, push gently inward on both
sides of the upper shroud above the parting line of
the lower shroud to release the snap features that
secure the two shroud halves to each other.
5. Remove the upper shroud from the lower shroud
and the steering column.
6. Remove the one center screw that secures the
lower shroud to the steering column (4).
7. Remove
the
lower
shroud
from
the
steering
column.
8Q - 10
VEHICLE THEFT SECURITY - SERVICE INFORMATION
ND