Chrysler Town, Dodge Caravan. Manual — part 1085
PCM/SKIM PROGRAMMING
When a PCM (JTEC) and the SKIM are replaced
at the same time perform the following steps in
order:
(1) Program the new PCM (JTEC)
(2) Program the new SKIM
(3) Replace all ignition keys and program them to
the new SKIM.
ECM/SKIM PROGRAMMING
When an ECM (Bosch) and the SKIM are replaced
at the same time perform the following steps in
order:
(1) Program the new SKIM
(2) Program the new ECM (Bosch)
PROGRAMMING THE ECM (Bosch)
(1) To program the VIN, connect the DRB III
t and
turn the ignition on.
(2) Select Engine from the main menu. The DRB
III
t will require the VIN to be entered before con-
tinuing.
(3) Select ENTER to update the VIN. The DRB
III
t will display the updated VIN.
(4) If the engine is equipped with air conditioning,
the ECM A/C function must be enabled. Enable the
ECM A/C function as follows:
• Using the DRB IIIt select ENGINE, MISCEL-
LANEOUS, then ENABLE/DISABLE A/C
• Push 1 to enable A/C. DRB IIIt screen should
display A/C Activated.
PROGRAMMING THE PCM (JTEC)
The SKIS Secret Key is an ID code that is unique
to each SKIM. This code is programmed and stored
in the SKIM, PCM and transponder chip (ignition
keys). When replacing the PCM it is necessary to
program the secret key into the new PCM using the
DRB III
t. Perform the following steps to program the
secret key into the PCM.
(1) Turn the ignition switch on (transmission in
park/neutral).
(2) Use the DRB III
t and select THEFT ALARM,
SKIM then MISCELLANEOUS.
(3) Select PCM REPLACED (GAS ENGINE).
(4) Enter secured access mode by entering the
vehicle four-digit PIN.
(5) Select ENTER to update PCM VIN.
NOTE: If three attempts are made to enter secure
access mode using an incorrect PIN, secured
access mode will be locked out for one hour. To
exit this lockout mode, turn the ignition to the RUN
position for one hour then enter the correct PIN.
(Ensure all accessories are turned off. Also monitor
the battery state and connect a battery charger if
necessary).
(6) Press ENTER to transfer the secret key (the
SKIM will send the secret key to the PCM).
(7) Press Page Back to get to the Select System
menu and select ENGINE, JTEC (diesel only), MIS-
CELLANEOUS, and SRI MEMORY CHECK.
(8) The DRB III
t will ask, Is odometer reading
between XX and XX? Select the YES or NO button on
the DRB III
t. If NO is selected, the DRB IIIt will
read, Enter odometer Reading<From I.P. odometer>.
Enter the odometer reading from the Instrument
Panel and press ENTER.
PROGRAMMING THE SKIM
(1) Turn the ignition switch on (transmission in
park/neutral).
(2) Use the DRB III
t and select THEFT ALARM,
SKIM then MISCELLANEOUS.
(3) Select PCM REPLACED (GAS ENGINE).
(4) Program the vehicle four-digit PIN into SKIM.
(5) Select COUNTRY CODE and enter the correct
country.
NOTE: Be sure to enter the correct country code. If
the incorrect country code is programmed into
SKIM, the SKIM must be replaced.
(6) Select YES to update VIN (the SKIM will learn
the VIN from the PCM).
(7) Press ENTER to transfer the secret key (the
PCM will send the secret key to the SKIM).
(8) Program ignition keys to SKIM.
NOTE: If the PCM and the SKIM are replaced at the
same time, all vehicle keys will need to be replaced
and programmed to the new SKIM.
PROGRAMMING IGNITION KEYS TO THE SKIM
(1) Turn the ignition switch on (transmission in
park/neutral).
(2) Use the DRB III
t and select THEFT ALARM,
SKIM then MISCELLANEOUS.
(3) Select PROGRAM IGNITION KEY’S.
(4) Enter secured access mode by entering the
vehicle four-digit PIN.
NOTE: A maximum of eight keys can be learned to
each SKIM. Once a key is learned to a SKIM it (the
key) cannot be transferred to another vehicle.
If ignition key programming is unsuccessful, the
DRB III
t will display one of the following messages:
Programming Not Attempted - The DRB III
t
attempts to read the programmed key status and
there are no keys programmed into SKIM memory.
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ELECTRONIC CONTROL MODULES
8E - 3
ENGINE CONTROL MODULE (Continued)
Programming Key Failed (Possible Used Key From
Wrong Vehicle) - SKIM is unable to program key due
to one of the following:
• faulty ignition key transponder
• ignition key is programmed to another vehicle.
8 Keys Already Learned, Programming Not Done -
SKIM transponder ID memory is full.
(5) Obtain ignition keys to be programmed from
customer (8 keys maximum).
(6) Using the DRB III
t, erase all ignition keys by
selecting MISCELLANEOUS and ERASE ALL CUR-
RENT IGN. KEYS.
(7) Program all ignition keys.
Learned Key In Ignition - Ignition key transponder
ID is currently programmed in SKIM memory.
REMOVAL
(1) Disconnect negative battery cable.
(2) Remove left front headlamp module (Refer to 8
- ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/
HEADLAMP UNIT - REMOVAL).
(3) Remove lower headlamp assembly mounting
bolt (Fig. 2).
(4) Remove ECM upper mounting bolts (Fig. 3).
(5) Lift ECM from radiator support.
(6) Disconnect ECM electrical connectors.
(7) Separate ECM from mounting bracket.
INSTALLATION
(1) Install ECM on mounting bracket.
(2) Connect ECM electrical connectors.
(3) Place ECM and bracket assembly in position on
radiator support.
(4) Install upper and lower mounting bolts.
(5) Install left headlamp module (Refer to 8 -
ELECTRICAL/LAMPS/LIGHTING
-
EXTERIOR/
HEADLAMP UNIT - INSTALLATION).
(6) Connect negative battery cable.
(7) Program ECM as necessary (Refer to 8 - ELEC-
TRICAL/ELECTRONIC CONTROL MODULES/EN-
GINE
CONTROL
MODULE
-
STANDARD
PROCEDURE).
Fig. 2 ENGINE CONTROL MODULE-LOWER
MOUNTING BOLT
1 - ENGINE CONTROL MODULE (ECM)
2 - INTEGRATED POWER MODULE
3 - ECM LOWER MOUNTING BOLT
Fig. 3 ENGINE CONTROL MODULE-UPPER
MOUNTING BOLTS
1 - BATTERY
2 - INTEGRATED POWER MODULE
3 - ENGINE CONTROL MODULE
4 - RADIATOR SUPPORT
5 - ECM UPPER MOUNTING BOLTS
6 - ECM ELECTRICAL CONNECTORS
8E - 4
ELECTRONIC CONTROL MODULES
RG
ENGINE CONTROL MODULE (Continued)
ENGINE SYSTEMS
TABLE OF CONTENTS
page
page
CHARGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
STARTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
CHARGING
TABLE OF CONTENTS
page
page
GENERATOR
. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . 3
GENERATOR
REMOVAL - 2.5L
(1) Disconnect the negative battery cable (Fig. 1).
(2) Remove the engine cover (Fig. 2).
Fig. 1 BATTERY CONNECTION
Fig. 2 ENGINE COVER
RG
ENGINE SYSTEMS
8F - 1
(3) Raise vehicle and support.
(4) Turn wheels to the right. Remove the right
front splash shield (Fig. 3).
(5) Remove the generator drive belt (Fig. 4).
(6) Lower vehicle.
(7) Disconnect the generator battery connection
(Fig. 5).
(8) Disconnect the field connection (Fig. 5).
(9) Relocate the wiring harness on upper generator
bracket (Fig. 6).
Fig. 3 SPLASH SHIELD
Fig. 4 GENERATOR BELT
Fig. 5 GENERATOR CONNECTIONS
1 - Battery Connection
2 - Field Connection
Fig. 6 UPPER SUPPORT BRACKET
1 - Wiring Harness
2 - Upper Bracket
8F - 2
CHARGING
RG
GENERATOR (Continued)
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