lock CHRYSLER CARAVAN 2000 Service Manual

4.8 Lamps and Indicators
The ªCruiseº lamp is controlled by the Body Control Module. The Diagnostic/Glow Plug lamp is
controlled by the Engine Control Module. The ªAlarm Setº lamp is controlled by the SKIM.
5.0 DISCLAIMERS, SAFETY, WARNINGS
5.1 Disclaimers
All information, illustrations, and specifications contained in this manual are based on the latest
information available at the time of publication. The right is reserved to make changes at any time
without notice.
5.2 Safety
5.2.1 Technician Safety Information
WARNING!!Engines produce carbon monoxide that is odorless, causes slower reaction time,
and can lead to serious injury. When the engine is operating, keep service areas WELL
VENTILATED or attach the vehicle exhaust system to the shop exhaust removal system.
Set the parking brake and block the wheels before testing or repairing the vehicle. It is especially
important to block the wheels on front-wheel drive vehicles; the parking brake does not hold the
drive wheels.
When servicing a vehicle, always wear eye protection, and remove any metal jewelry such as
watchbands or bracelets that might make an inadvertent electrical contact.
When diagnosing a powertrain system problem, it is important to follow approved procedures
where applicable. These procedures can be found in the service manual. Following these
procedures is very important to the safety of individuals performing diagnostic tests.
5.2.2 Vehicle Preparation for Testing
Make sure the vehicle being tested has a fully charged battery. If it does not, false diagnostic
codes or error messages may occur.
5.2.3 Servicing Sub-Assemblies
Some components of the powertrain system are intended to be serviced in assembly only.
Attempting to remove or repair certain system sub-components may result in personal injury
and/or improper system operation. Only those components with approved repair and installation
procedures in the service manual should be serviced.
5.2.4 DRBIIITSafety Information
WARNING: Exceeding the limits of the DRB multimeter is dangerous. It can expose you to
serious or possibly fatal injury. Carefully read and understand the cautions and the
specification limits.
²Follow the vehicle manufacturer's service specifications at all times.
²Do not use the DRB if it has been damaged.
²Do not use the test leads if the insulation is damaged or if metal is exposed.
²To avoid electrical shock, do not touch the test leads, tips, or the circuit being tested.
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TEST SC-2ACHECKING SPEED CONTROL OPERATION
Perform TEST SC-1A Before Proceeding
*Perform Verification TEST VER-3A. **Check connectors - Clean / repair as necessary.
KEY OFF.
START TEST DISCONNECT THE
SC-2A. CLOCKSPRING
HARNESS
CONNECTOR.**
KEY ON. USING THE A JUMPER WIRE DID THE VOLTAGE
DRB, MONITOR THE ACROSS CLOCKSPRING CHANGE FROM YES REPLACE THE SPEED
CRUISE SWITCH HARNESS CONNECTOR APPROXIMATELY 5.0 CONTROL SWITCHES.*
VOLTAGE WHILE CAVITIES 3 AND 4. VOLTS TO 0 VOLTS?
CONNECTING... FIG.1
NO
KEY ON. PROBE THE REPAIR THE OPEN
USE A VOLTMETER IN CLOCKSPRING IS THE VOLTAGE YES SPEED CONTROL
THE FOLLOWING HARNESS CONNECTOR ABOVE 4.0 VOLTS? SWITCH GROUND
STEP. CAVITY 4. CIRCUIT.*
NO
KEY OFF. USING AN OHMMETER,
DISCONNECT THE ECM MEASURE THE SPEED IS THE RESISTANCE YES REPAIR THE OPEN
HARNESS CONTROL SWITCH ABOVE 5.0 OHMS? SPEED CONTROL
CONNECTORS.** CIRCUIT. SWITCH CIRCUIT.*
FIG.1
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST NS-1ACONTINUED - REPAIRING A NO CRANK CONDITION
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
TEST NS-1A KEY OFF. WITH AN IS THE RESISTANCE
CONTINUED FROM OHMMETER, MEASURE BETWEEN NO REPLACE THE
THE PREVIOUS THE STARTER RELAY 60.0 AND 90.0 STARTER RELAY.*
PAGE. TERMINALS 85 AND 86. OHMS?
FIG.1
YES
KEY ON. USING A AT THE ECM HARNESS REPAIR THE STARTER
VOLTMETER, MEASURE CONNECTOR. IS THE VOLTAGE YES RELAY CONTROL CKT
STARTER RELAY ABOVE 1.0 VOLT? FOR A SHORT TO
CONTROL CKT... VOLTAGE.*
FIG.2
NO
WITH AN OHMMETER, BETWEEN THE ECM
MEASURE RESISTANCE HARNESS CONNECTOR IS THE RESISTANCE YES REPAIR THE OPEN
OF THE STARTER AND THE PDC ABOVE 5.0 OHMS? STARTER RELAY
RELAY CONTROLCONTROL CIRCUIT.*
CIRCUIT... FIG.2
NO
KEY ON. USING A WITH THE CLUTCH
VOLTMETER, MEASURE WHILE DEPRESSING DEPRESSED, IS THE YES REPLACE THE
THE CLUTCH THE CLUTCH. VOLTAGE ABOVE 10.0 STARTER RELAY.*
INTERLOCK SWITCH VOLTS?
CKT AT THE PDC)...
NO
KEY OFF. DISCONNECT MEASURE CLUTCH
THE CLUTCH INTERLOCK INTERLOCK SWITCH IS THE VOLTAGE NO REPAIR OPEN CLUTCH
SWITCH HARNESS HARNESS CONNECTOR ABOVE 10.0 VOLTS? INTERLOCK SWITCH
CONNECTOR. KEY ON. CAVITY 1. BATTERY SUPPLY.*
USING A VOLTMETER... FIG.3
YES
CONNECT A JUMPER PROBE THE CLUTCH
WIRE ACROSS THE INTERLOCK SWITCH IS THE VOLTAGE YES ADJUST OR REPLACE
CLUTCH INTERLOCK OUTPUT CKT. IN THE ABOVE 10.0 VOLTS? THE CLUTCH
SWITCH HARNESS PDC. INTERLOCK SWITCH.*
CONNECTOR. FIG.2
NO
REPAIR OPEN
CIRCUIT BETWEEN
STARTER RELAY AND
CLUTCH INTERLOCK
SWITCH.*
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8.0 MAINTENANCE AND SERVICE INFORMATION
Refer to the appropriate service manual for information about repair and replacement procedures
When replacing a blown fuse, it is important to use only a fuse having the correct amperage rating.
The use of a fuse with a rating other than indicated may result in a dangerous electrical system
overload. If a properly rated fuse continues to blow, it indicates a problem in the circuit that must
be corrected.
NOTE:If it is necessary to replace the body controller and the SKIM, perform the following steps
in order:
± program the new body controller
± program the new SKIM
± replace all ignition keys, program new ignition keys to new SKIM
NOTE:If it is necessary to replace the engine control module and the SKIM, perform the following
steps in order:
± program the new SKIM
± program the new engine control module
8.1 Programming the Engine Control Module
1. To program the VIN, connect the DRB and turn ignition on.
2. Select ªENGINEº from the main menu. The DRB will request the SKIS four-digit PIN.
3. Enter the PIN.
4. Select ªENTERº to update the VIN. The DRB will display the updated VIN.
5. If the engine is equipped with air conditioning, the ECM a/c function must be enabled.
± Using the DRB select ªENGINEº, ªMISCELLANEOUSº then ªENABLE/DISABLE A/Cº.
± Push 1 to enable A/C. DRB screen should display ªA/C Activatedº.
8.2 Programming the Body Control Module
The SKIS ªSecret Keyº is an I.D. code that is unique to each SKIM. This code is programmed and
stored in the SKIM, body controller and transponder chip (ignition keys). When replacing the BCM
it is necessary to program the secret key into the new BCM using the DRB. Perform the following
steps to program the secret key into the body controller.
1. Turn the ignition on (transmission in park/neutral).
2. Use the DRB and select ``THEFT ALARM'', ``SKIM'' then ``MISCELLANEOUS''.
3. Select ``GS DIESEL BCM REPLACED''.
4. SELECT ªENTERº to update BCM VIN.
5. Enter secured access mode by entering the vehicle four-digit PIN.
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 ªENTERº to transfer the secret key (the SKIM will send the secret key to the BCM).
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