Chrysler PT Cruiser. Manual — part 527
SKIS INDICATOR LAMP
DESCRIPTION
The Sentry Key Immobilizer System (SKIS) uses
the Vehicle Theft Security System (VTSS) indicator
LED to give an indication when the SKIS is faulty or
when the vehicle has been immobilized due to the
use of an invalid ignition key. The LED is controlled
by the instrument cluster circuitry based upon mes-
sages received from the Sentry Key Immobilizer
Module (SKIM).
OPERATION
The SKIM sends messages to the instrument clus-
ter, to turn the LED on for about three seconds when
the ignition switch is turned to the ON position as a
bulb test. After completion of the bulb test, the SKIM
sends PCI bus messages to keep the LED off for a
duration of about one second. Then the SKIM sends
messages to the instrument cluster circuitry to turn
the LED on or off based upon the results of the SKIS
self-tests. If the VTSS indicator LED comes on and
stays on after the bulb test, it indicates that the
SKIM has detected a system malfunction and/or that
the SKIS has become inoperative. If the SKIM
detects an invalid key when the ignition switch is
turned to the ON position, it sends messages to the
instrument cluster to flash the VTSS indicator LED.
The SKIM can also send messages to the instru-
ment cluster to flash the LED and to generate a sin-
gle audible chime tone. These functions serve as an
indication to the customer that the SKIS has been
placed in its “Customer Learn” programming mode.
See Sentry Key Immobilizer System Transponder
Programming in this group for more information on
the “Customer Learn” programming mode.
The VTSS indicator LED uses a Light Emitting
Diode (LED) on the instrument cluster electronic cir-
cuit board. It is not serviceable separate from the
instrument cluster assembly. If the VTSS indicator
LED comes on and stays on after the bulb test func-
tion, diagnosis of the SKIS should be performed with
a DRB lll
t scan tool and the proper Powertrain Diag-
nostic Procedures manual.
TRANSPONDER KEY
DESCRIPTION
The Sentry Key Immobilizer System (SKIS) uses a
transponder chip that is integral to each ignition key
(Fig. 5) to communicate with the Sentry Key Immo-
bilizer Module (SKIM). Ignition keys are supplied
with the vehicle when it is shipped from the factory.
The transponder chip is undermolded within the
head of the key. This undermold is hidden beneath
an overmolded rubber cap.
OPERATION
Each Sentry Key transponder has a unique tran-
sponder identification code programmed into it by the
manufacturer. The Sentry Key Immobilizer Module
(SKIM) has a unique “Secret Key” code programmed
into it by the manufacturer. When a Sentry Key
transponder is programmed into the memory of the
SKIM, the SKIM learns the transponder identifica-
tion code from the transponder, and the transponder
learns the “Secret Key” code from the SKIM. Each of
these codes is stored within the transponder and in
the nonvolatile memory of the SKIM. Therefore,
blank keys for the SKIS must be programmed by and
into the SKIM, in addition to being cut to match the
mechanical coding of the ignition lock cylinder. See
Sentry Key Immobilizer System Transponder Pro-
gramming in this section for more information.
Fig. 5 SENTRY KEY IMMOBILIZER TRANSPONDER
1 - MOLDED CAP
2 - TRANSPONDER
3 - MOLDED CAP REMOVED
4 - SENTRY KEY
8Q - 6
VEHICLE THEFT SECURITY
PT
The Sentry Key’s transponder is within the range
of the SKIM’s transceiver antenna ring when it is
inserted into the ignition lock cylinder. When the
ignition switch is turned to the ON position, the
SKIM communicates with the Sentry Key via a radio
frequency (RF) signal. The SKIM determines if a
valid key is present based on the information it
receives from the Sentry Key. If a valid key is
detected, that fact is communicated to the PCM via
the PCI bus and the vehicle is allowed to continue
running. If an invalid key is received by the PCM or
no status at all is communicated, the vehicle will
stall after two (2) seconds of running. The indicator
light will be flashing at this point. The Sentry Key’s
transponder can not be repaired. If it is faulty or
damaged, it must be replaced.
STANDARD PROCEDURE - TRANSPONDER
PROGRAMMING
USING A DRB III
T SCAN TOOL
All Sentry Keys included with the vehicle are pre-
programmed to work with the Sentry Key Immobi-
lizer System (SKIS) when it is shipped from the
factory. The Sentry Key Immobilizer Module (SKIM)
can be programmed to recognize up to a total of eight
Sentry Keys. When programming a blank Sentry Key
transponder, the key must first be cut to match the
ignition lock cylinder of the vehicle for which it will
be used. The vehicle’s four digit PIN code will be
required to complete this task since you will need it
to enter the Secured Access Mode in the SKIM. The
following steps must be completed using a DRB III
t
scan tool:
(1) Insert the blank key into the ignition and turn
it to the RUN position.
(2) Using a DRB III
t scan tool, select 9Theft
Alarm,
9 9SKIM,9 9Miscellaneous,9 and then 9Program
Ignition Key.
9
(3) Enter the four digit PIN code using the DRB
III
t scan tool. When programming is completed, the
SKIM will exit Secured Access Mode and the DRB
III
t scan tool will display the results of your attempt
to program the key. One of five distinct results may
be displayed. All five are listed below:
• (Programming Successful( is displayed if the
Sentry Key programming is successful.
• (Learned Key in Ignition( is displayed if the
key in the ignition has already been programmed
into that vehicle’s SKIM.
• (Eight Keys Already Learned (At The Maxi-
mum) Programming Not Done
( is displayed if
eight keys have already been programmed into the
SKIM. In this case, if a new key needs to be added
due to a lost or defective key, the
9Erase All Keys9
command (which requires entering the Secured
Access Mode) has to be performed. Following the
9Erase All Keys9 command, all keys that will be used
to operate the vehicle MUST be reprogrammed to
the SKIM.
• (Programming Not Attempted( is displayed
after an
9Erase All Keys9 function is executed.
• (Programming Key Failed( is displayed if fur-
ther diagnosis is required.
To learn additional keys, turn the ignition OFF,
remove the learned key, insert the next new blank
key, and repeat the steps from the beginning.
“CUSTOMER LEARN” MODE
This feature is only available on domestic vehicles
or those which have a U.S. country code designator.
This procedure requires access to at least two valid
Sentry Keys. If two valid Sentry Keys are not avail-
able, Sentry Key programming will require the use of
a DRB III
t scan tool.
The steps required to program Sentry Keys with
two valid Sentry Keys follows:
(1) Obtain the blank Sentry Key(s) that need to be
programmed. Cut the keys to match the ignition lock
cylinder mechanical key codes.
(2) Insert one of the two valid Sentry Keys into the
ignition switch and turn the ignition switch to the
ON position.
(3) After the ignition switch has been in the ON
position for longer than three seconds, but no more
than fifteen seconds, cycle the ignition switch back to
the OFF position. Replace the first valid Sentry Key
in the ignition lock cylinder with the second valid
Sentry Key and turn the ignition switch back to the
ON position. The second valid Sentry Key must be
inserted, and the ignition key to the ON position,
within 15 seconds of removing the first valid Sentry
key.
(4) About ten seconds after the completion of Step
3, the indicator light will start to flash and a single
audible chime tone will sound to indicate that the
system has entered the
9Customer Learn9 program-
ming mode.
(5) Within sixty seconds of entering the
9Customer
Learn
9 programming mode, turn the ignition switch
to the OFF position, replace the valid Sentry Key
with a blank Sentry Key transponder, and turn the
ignition switch back to the ON position.
PT
VEHICLE THEFT SECURITY
8Q - 7
TRANSPONDER KEY (Continued)
(6) About ten seconds after the completion of Step
5, a single audible chime tone will sound and the
indicator light will stop flashing and stay on solid for
three seconds and then turn off to indicate that the
blank Sentry Key has been successfully programmed.
The SKIS will immediately exit the
9Customer
Learn
9 programming mode and the vehicle may be
started using the newly programmed Sentry Key.
These steps must be completed in their entirety for
each additional Sentry Key to be programmed. If any
of the above steps are not completed in the given
sequence, or within the allotted time, the SKIS will
exit the
9Customer Learn9 programming mode and
the programming will be unsuccessful. The SKIS will
also automatically exit the
9Customer Learn9 pro-
gramming mode if:
• It sees a non-blank Sentry Key when it should
see a blank.
• If it has already programmed eight (8) valid
Sentry Keys.
• If the ignition switch is turned to the OFF posi-
tion for more than about fifty (50) seconds.
NOTE: If you attempt to start the vehicle while in
“Customer Learn” mode (LED flashing), the vehicle
will behave as though an invalid key is being used
(i.e. the engine will stall after two (2) seconds of
running). No faults will be logged.
NOTE: Once a Sentry Key has been programmed to
a particular vehicle, it cannot be used on any other
vehicle.
8Q - 8
VEHICLE THEFT SECURITY
PT
TRANSPONDER KEY (Continued)
WIPERS/WASHERS
TABLE OF CONTENTS
page
page
WIPERS/WASHERS
. . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DIAGNOSIS AND TESTING - FRONT WIPER
CONDITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DIAGNOSIS AND TESTING - REAR WIPER
SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DIAGNOSIS AND TESTING - WASHER
SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
FRONT WASHER NOZZLE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
. . . . . . . . . . . . . . . . . . . . . . . . . . 6
FRONT WIPER ARMS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
. . . . . . . . . . . . . . . . . . . . . . . . . . 7
ADJUSTMENT - FRONT WIPER ARMS -
RHD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
FRONT WIPER BLADES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . . . . . . . . . . . . . . . . . . . . . . . . 8
FRONT WIPER BLADE ELEMENTS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . . . . . . . . . . . . . . . . . . . . . . . . 8
FRONT WIPER MODULE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . . . . . . . . . . . . . . . . . . . . . . . . 9
FRONT WIPER MOTOR
DIAGNOSIS AND TESTING - WIPER MOTOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
. . . . . . . . . . . . . . . . . . . . . . . . . 11
FRONT WIPER SWITCH
. . . . . . . . . . . . . . . 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
. . . . . . . . . . . . . . . . . . . . . . . . . 12
REAR WASHER NOZZLE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . 13
REAR WIPER ARMS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . 13
REAR WIPER BLADE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . 14
REAR WIPER MOTOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . 14
REAR WIPER SWITCH
DIAGNOSIS AND TESTING - REAR WIPER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
WASHER HOSES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
. . . . . . . . . . . . . . . . . . . . . . . . . 15
WASHER PUMP MOTOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
. . . . . . . . . . . . . . . . . . . . . . . . . 16
WASHER RESERVOIR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
. . . . . . . . . . . . . . . . . . . . . . . . . 17
WIPERS/WASHERS
DESCRIPTION
FRONT WINDSHIELD WIPER SYSTEM
The
front
windshield
wiper/washer
switch
is
mounted on the right side of the multi-function
switch (Fig. 1), on the steering column, behind the
steering wheel.
The wiper system has LOW, HIGH, and INTER-
MITTENT switch positions. The intermittent wiper
system, in addition to low and high speed, has a
delay mode and a pulse wipe mode.
The intermittent wiper function is integral to the
wiper switch. All electronics and relay are inside the
switch assembly. The wiper switch also includes the
MIST feature which provides a single wipe when
actuated.
FRONT WINDSHIELD WASHER SYSTEM
This vehicle is equipped with an electrically oper-
ated windshield washer pump. The washers are oper-
ated by a switch in the multi-function switch control
lever (Fig. 1). The lever is located on the right side of
the steering column.
The electric pump assembly is mounted directly to
the reservoir. A permanently lubricated motor is cou-
pled to an impeller type pump. The pump and reser-
voir are serviced as separate assemblies.
PT
WIPERS/WASHERS
8R - 1
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