air condition CHRYSLER CARAVAN 2000 Manual Online

TEST NS-2ACONTINUED - REPAIRING A NO RESPONSE CONDITION
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
PROBE DIESEL POWER
RELAY CONNECTOR
CAVITY 86 (IN PDC).
FIG.1
CONNECT A JUMPER
WIRE BETWEEN ECM
HARNESS CONNECTOR
CAVITY 33 AND
GROUND.
FIG. 4
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TEST NS-2ACONTINUED - REPAIRING A NO RESPONSE CONDITION
FIG. 1
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TEST NS-2ACONTINUED - REPAIRING A NO RESPONSE CONDITION
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
TEST NS-2A USING A JUMPER
CONTINUED FROM WIRE, CONNECT
THE PREVIOUS DIESEL POWER RELAY
PAGE. CAVITIES 30 AND 87
(IN PDC). FIG. 1
USING A VOLTMETER, REPAIR THE DIESEL
MEASURE THE DIESEL IS THE VOLTAGE YES POWER RELAY
POWER RELAY ABOVE 1.0 VOLT? CONTROL CIRCUIT
CONTROL CKT. FOR A SHORT TO
FIG. 1 VOLTAGE.*
NO
REPLACE THE DIESEL
POWER RELAY.*
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TEST NS-2BREPAIRING A NO RESPONSE CONDITION
Perform TEST NS-2A Before Proceeding
FIG.1
FIG.2
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TEST NS-2BREPAIRING A NO RESPONSE CONDITION
Perform TEST NS-2A Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
WAS THE IGNITION TURN IGNITION ON
START TEST ON WHEN THE "NO NO TO GET A RESPONSE.
NS-2B. RESPONSE" MESSAGE
WAS DISPLAYED? TEST COMPLETE.
YES
KEY ON. PROBE THE
ISO K-LINE CIRCUIT IS THE TEST LIGHT YES REPAIR THE ISO
USE A TEST LIGHT AT THE DLC. ON? K-LINE FOR A SHORT
IN THE FOLLOWINGTO VOLTAGE.*
STEP. FIG.1
NO
KEY OFF.
DISCONNECT DRB
DISCONNECT THE ECM FROM THE DATA LINK
HARNESS CONNECTOR.
CONNECTORS.**
MEASURE THE
USE AN OHMMETER IN RESISTANCE OF THE IS THE RESISTANCE YES REPAIR THE ISO
THE FOLLOWING ISO K-LINE AT THE BELOW 5.0 OHMS? K-LINE CIRCUIT FOR
STEPS. DLC CONNECTOR TO A SHORT TO GROUND.
GROUND FIG.1
NO
MEASURE THE
RESISTANCE OF THE IS THE RESISTANCE NO REPAIR THE OPEN
ISO K-LINE AT THE BELOW 5.0 OHMS? ISO K-LINE
DLC CONN. TO THE CIRCUIT.
ECM CONN. FIG.2
YES
MEASURE BETWEEN THE DLC CAVITIES REPAIR THE GROUND
CHASSIS GROUND AND 4 AND 5. IS THE RESISTANCE NO CIRCUIT(S) THAT
THE GROUND BELOW 5.0 OHMS FOR MEASURED ABOVE 5.0
CIRCUITS AT... EACH MEASUREMENT? OHMS FOR AN OPEN.*
FIG.1
YES
CONTINUE TEST
NS-2B ON THE
NEXT PAGE.
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TEST NS-2BCONTINUED - REPAIRING A NO RESPONSE CONDITIONN
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TEST NS-2BCONTINUED - REPAIRING A NO RESPONSE CONDITION
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
TEST NS-2B CONNECT THE DRB TO
CONTINUED FROM A FUNCTIONAL DATA
THE PREVIOUS LINK ON ANOTHER
PAGE. VEHICLE.
REPLACE THE
WITH THE DRB, DID THE DRB NO INITIAL VEHICLE'S
TURN IGNITION ON. ATTEMPT TO READ DISPLAY "NO ENGINE CONTROL
TROUBLE CODES. RESPONSE"? MODULE.*
YES
SUBSTITUTE ANOTHER WITH THE DRB, DID THE DRB NO REPLACE THE DRB
DRB ADAPTER CABLE. ATTEMPT TO READ DISPLAY "NO ADAPTER CABLE.*
TROUBLE CODES. RESPONSE"?
YES
HAVE THE DRB
REPAIRED OR
REPLACED.*
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TEST NS-4AREPAIRING A START AND STALL CONDITION
Perform TEST NS-SEL Before Proceeding
At this point in the diagnostic test procedure it is assumed that all of the engine electrical systems
are operating as designed and are not the cause of a start and stall, or a no start problem. The
following additional items should be checked as possible mechanical problems. Any one of these
items can produce a start and stall, or no start condition; none can be overlooked as a possible
cause.
1. ENGINE VALVE TIMINGÐ must be within specifications
2. ENGINE COMPRESSIONÐ must be within specifications
3. ENGINE EXHAUST SYSTEMÐ must be free of any restrictions
4. FUELÐ must be free of contamination
5. FUEL FILTERÐ must be free of any restrictions
6. INTAKE AIR DUCTÐ passages must be free of any debris
Always look for any Technical Service Bulletins that may relate to this problem.
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TEST NS-4AREPAIRING A START AND STALL CONDITION
Perform TEST NS-SEL Before Proceeding
NOTES
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TEST VER-1ANO START VERIFICATION
Important Note:
If the Engine Control Module, Sentry Key Immobilizer Module or Body Control Module have been
changed the Vehicle Identification Number (VIN) and Secret Key data must be updated to enable the
vehicle to start and run. Refer to GENERAL INFORMATION SECITON 8.0 for programming
procedures.
Inspect the vehicle to ensure that all engine components are connected. Reassemble and reconnect
components as necessary.
Inspect the engine oil for contamination. If it is contaminated, change the oil and filter.
Using the DRB, clear all diagnostic trouble codes (DTC's).
Turn the ignition off for 10 seconds.
Attempt to start the vehicle.
If the engine isunableto start, look for any Technical Service Bulletins that may relate to this
condition. Return toDTC TESTif necessary.
The repair is now complete.
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