2000 CHRYSLER CARAVAN radiator

TEST TC-42AREPAIRING - FAN CONTROL SHORT CIRCUIT FAN 2
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY ON. ARE THE RADIATOR
START TEST WITH THE DRB, FAN RELAYS #1 AND NO CONTINUE TEST
TC-42A. ACTUATE THE HIGH #3 CLICKING ON AND TC-42A ON THE
SPEED RADIATOR OFF? NEXT PAGE.
FAN.
YES
THE CONDITION TO SET USING THE SCHEMATIC
THE TROUBLE CODE IS AS A GUIDE, INSPECT WERE ANY PROBLEMS YES REPAIR AS
NOT PRESENT. THE WIRING AND FOUND? NECESSARY.*
CONNECTORS.
FIG.1. FIG.2
NO
WIGGLE THE WIRING REPAIR AS
HARNESS FROM THE NOTE: THE DRB MUST DID THE WIGGLING YES NECESSARY WHERE
RELAYS TO THE STILL BE ACTUATING INTERRUPT FAN WIGGLING CAUSED
ENGINE CONTROL THE FAN RELAY. RELAY CLICKING? RELAY CLICKING TO
MODULE.BE INTERRUPTED.*
NO
REFER TO GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETED.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-42ACONTINUED - REPAIRING - FAN CONTROL SHORT CIRCUIT FAN 2
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-42A
CONTINUED FROM REMOVE RADIATOR
THE PREVIOUS FAN RELAYS
PAGE. #1 AND #3.**
USING AN OHMETER, 85 AND 86, 85 AND IS THE RESISTANCE
MEASURE RESISTANCE 30, 85 AND 87. BELOW 30.0 OHMS YES REPLACE SHORTED
BETWEEN RADIATOR REPEAT MEASUREMENTS FOR ANY OF THE RADIATOR FAN
FAN #1 RELAY ON RADIATOR FAN MEASUREMENTS? RELAY.*
TERMINALS... RELAY #3. FIG.1
NO
TURN IGNITION OFF.
DISCONNECT THE ECM REMOVE THE DIESEL
HARNESS POWER RELAY.**
CONNECTORS.**
WITH A JUMPER WIRE,
CONNECT DIESEL POWER
RELAY CONN. CAVITIES TURN IGNITION ON.
30 AND 87 (IN PDC).
FIG.2
MEASURE THE RELAY REPAIR RADIATOR
USE A VOLTMETER IN CONTROL CIRCUIT AT IS THE VOLTAGE YES FAN RELAY #1 AND
THE FOLLOWING ECM HARNESS ABOVE 1.0 VOLT? #3 CONTROL CIRCUIT
STEP. CONNECTOR CAVITY 41. FOR A SHORT TO
FIG.3 VOLTAGE.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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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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