radiator CHRYSLER CARAVAN 2000 User Guide

TEST NTC-1ANO TROUBLE CODE TEST MENU
First, check all Technical Service Bulletins that relate to this driveability problem. Perform corrective
actions if indicated; otherwise continue.
1.NO TROUBLE CODE COMPLETE TEST(non-monitored and monitored circuits)
PerformNTC-2AthroughNTC-13Ain sequence until the driveability problem is found.
NO TROUBLE CODE MENU
CHECKING GLOW PLUG OPERATION.........................................NTC-2A
CHECKING FUEL INJECTION PUMP CIRCUITS.................................NTC-3A
CHECKING THE PCM POWER AND GROUND CIRCUITS.........................NTC-4A
CHECKING ENGINE COOLANT SENSOR CALIBRATION..........................NTC-5A
CHECKING ACCELERATOR PEDAL SENSOR CALIBRATION......................NTC-6A
CHECKING BOOST PRESSURE SENSOR CALIBRATION.........................NTC-7A
CHECKING FUEL TEMPERATURE SENSOR CALIBRATION.......................NTC-8A
CHECKING EGR SYSTEM...................................................NTC-9A
CHECKING THE FUEL HEATER.............................................NTC-10A
CHECKING RADIATOR FAN OPERATION.....................................NTC-11A
CHECKING THE ENGINE MECHANICAL SYSTEMS.............................NTC-12A
CHECKING THE TURBOCHARGER..........................................NTC-13A
2.NO TROUBLE CODE QUICK INDIVIDUAL TEST(individual test only)
If you suspect any of the above items to be the cause of the vehicle's driveability problem, perform
the associated test(s) individually.Return to No Trouble Code Menu if driveability problem still
exists, or perform No Trouble Code Complete Test.
3.NO TROUBLE CODE QUICK SYMPTOM TEST(symptom test only)
Symptom checks cannot be used properly unless the driveability problem characteristic actually
happens while the vehicle is being tested. To reduce diagnostic time, ensure that DTC TEST and
appropriate GENERAL INFORMATION sections have been reviewed before attempting to diagnose
a symptom.
Select the symptom that most accurately describes the vehicle's driveability problem and then
perform the test routine that pertains to this symptom. Perform each routine test in sequence until
the problem is found. For definitions, see Section 12.0 in the GENERAL INFORMATION section in
this manual.
NOTE:For all component locations seeGeneral Information Section 4.0in this manual.
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TEST NTC-5ACHECKING ENGINE COOLANT SENSOR CALIBRATION AND RADIATOR FAN
OPERATION
Perform TEST NTC-1A Before ProceedingN
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TEST NTC-5ACHECKING ENGINE COOLANT SENSOR CALIBRATION AND RADIATOR FAN
OPERATION
Perform TEST NTC-1A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: USE A TEMPERA-
TURE PROBE TO ENSURE
ENGINE TEMPERATURE
IS ACTUALLY BELOW
70*C (160*F).
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TEST NTC-11ACHECKING RADIATOR FAN OPERATION
Perform TEST NTC-1A Before ProceedingN
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TEST NTC-11ACHECKING RADIATOR FAN OPERATION
Perform TEST NTC-1A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST INSTALL DRB. TURN
NTC-11A. IGNITION ON.
OBSERVE THE LEFT
PERFORM THE SIDE AND RIGHT DO BOTH FANS CYCLE YES PERFORM TEST
"LOW SPEED RAD FAN" SIDE RAD FAN ON AND OFF? NTC-11B.
ACTUATOR TEST. OPERATION.
NO
DID EITHER FAN NO PERFORM TEST
CYCLE? NTC-11C.
YES
DID LEFT SIDE FAN NO CONTINUE TEST
CYCLE? NTC-11A ON THE
NEXT PAGE.
YES
PERFORM TEST
NTC-11D.
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TEST NTC-11ACONTINUED - CHECKING RADIATOR FAN OPERATION
FIG.1
FIG.2
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TEST NTC-11ACONTINUED - CHECKING RADIATOR FAN OPERATION
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST NTC-11A
CONTINUED FROM
THE PREVIOUS TURN IGNITION OFF.
PAGE.
KEY ON. REPAIR SHORT TO
REMOVE RAD FAN DOES THE LEFT SIDE YES GROUND IN RAD FAN
RELAY #1.** USING THE DRB, RAD FAN CYCLE ON GROUND CKT. BETWEEN
ACTUATE LOW SPEED AND OFF? LEFT SIDE RAD FAN
RAD FAN. AND RELAY #1*
NO
KEY OFF. USE AN BETWEEN RAD FAN
OHMMETER IN THE RELAY #1 TERMINALS IS THE RESISTANCE YES REPLACE THE RAD
FOLLOWING STEPS. 30 AND 87. BELOW 5.0 OHMS? FAN RELAY #1.*
MEASURE THE
RESISTANCE... FIG.1
NO
DISCONNECT THE MEASURE RESISTANCE REPAIR THE SHORT
RIGHT SIDE RAD FAN BETWEEN RAD FAN IS THE RESISTANCE YES TO GROUND IN THE
HARNESS RELAY #1 HARNESS BELOW 5.0 OHMS? RAD FAN RELAY #3
CONNECTOR.** CONNECTOR CAVITY 5 OUTPUT CIRCUIT.*
AND GROUND. FIG.2
NO
REPLACE THE RIGHT
SIDE RADIATOR
FAN.*
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TEST NTC-11BCHECKING RADIATOR FAN OPERATION
Perform TEST NTC-11A Before Proceeding
FIG.1FIG.2
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TEST NTC-11BCHECKING RADIATOR FAN OPERATION
Perform TEST NTC-11A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
REMOVE THE DIESEL
POWER RELAY.WITH A JUMPER WIRE
CONNECT DIESEL
POWER RELAY CONN
CAVITIES 30 & 87
(IN PDC).
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TEST NTC-11BCONTINUED - CHECKING RADIATOR FAN OPERATION
FIG.1
FIG.2
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