CHRYSLER CARAVAN 2000 Service Manual

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-3AREPAIRING - NO START
Perform TEST NS-SEL Before Proceeding
FIG.1
FIG.2
FIG.3
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TEST NS-3AREPAIRING - NO START
Perform TEST NS-SEL Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
USING AN OHMMETER,
MEASURE THE RESIS-
TANCE OF THE FUEL
QUANTITY ACTUATOR
CAVITIES8&9.
FIG. 1
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TEST NS-3ACONTINUED - REPAIRING - NO STARTN
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TEST NS-3ACONTINUED - REPAIRING - NO START
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
TEST NS-3A INSPECT ALL FUEL
CONTINUED FROM LINES FOR ARE ANY PROBLEMS YES REPAIR AS
THE PREVIOUS RESTRICTIONS LEAKS EVIDENT? NECESSARY.*
PAGE. OR OTHER PROBLEMS.
NO
REFER TO THE CHECK FUEL INJECTION
SERVICE MANUAL AND IS THE FUEL YES PUMP TIMING. CHECK
PERFORM THE FUEL PRESSURE OK? FUEL SUPPLY FOR
SYSTEM PRESSURE CONTAMINATION SUCH
TEST. AS WATER.*
NO
CHECK THE FUEL
PUMP DRIVE. IF OK,
REPLACE THE FUEL
INJECTION PUMP
ASSEMBLY.*
N
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TEST NS-3BREPAIRING - NO START
Perform TEST NS-3A Before Proceeding
FIG.1
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