2000 CHRYSLER CARAVAN check engine

TEST TC-82ACONTINUED - REPAIRING - TEMPERATURE OF ENGINE COOLANT SRC LOW
EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-82A DISCONNECT THE
CONTINUED FROM ENGINE COOLANT
THE PREVIOUS TEMPERATURE SENSOR
PAGE. HARNESS
CONNECTOR.**
WITH THE DRB, READ IS THE ENGINE REPLACE THE ENGINE
ENGINE COOLANT COOLANT YES COOLANT
TEMPERATURE SENSOR TEMPERATURE SENSOR TEMPERATURE
VOLTAGE. VOLTAGE ABOVE 4.0 SENSOR.*
VOLTS?
NO
KEY OFF. USING AN OHMMETER, REPAIR THE SENSOR
DISCONNECT THE ECM MEASURE BETWEEN THE IS THE RESISTANCE YES SIGNAL CIRCUIT FOR
HARNESS SENSOR SIGNAL BELOW 5.0 OHMS? A SHORT TO
CONNECTORS.** CIRCUIT AND GROUND. GROUND.*
FIG.1
NO
WITH AN OHMMETER SENSOR SIGNAL REPAIR THE ECT
MEASURE THE CIRCUIT AND THE IS THE RESISTANCE YES SENSOR SIGNAL
RESISTANCE BETWEEN SENSOR GROUND BELOW 5.0 OHMS? CIRCUIT FOR A SHORT
THE ENGINE COOLANT CIRCUIT. TO THE ECT SENSOR
TEMPERATURE... FIG.1 GROUND CIRCUIT.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-84AREPAIRING - TERMINAL 15 PLAUSIBILITY AFTER START-UP
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST WITH THE DRB,
TC-84A. ERASE CODES.
CYCLE THE IGNITION
ON AND OFF SEVERAL WITH THE IGNITION DOES THE DRB YES CONTINUE TEST
TIMES, PAUSING FOR ON ENGINE OFF, DISPLAY "TERMINAL TC-84A ON THE
TEN SECONDS AT KEY READ CODES. 15 PLAUSIBILITY"? NEXT PAGE.
ON AND OFF.
NO
AT THIS TIME THE REVIEW THE CIRCUIT
CONDITION FOR DESCRIPTION FOR A WERE ANY PROBLEMS YES REPAIR AS
SETTING THE CODE PROPER UNDERSTANDING FOUND? NECESSARY.*
IS NOT PRESENT. OF THIS CODE. CHECK
FIG. 1 FOR PROBLEMS.
NO
TEST COMPLETE.*
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TEST TC-84ACONTINUED - REPAIRING - TERMINAL 15 PLAUSIBILITY AFTER START-UP
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-84A KEY OFF.
CONTINUED FROM DISCONNECT THE ECM
THE PREVIOUS HARNESS
PAGE. CONNECTORS.**
USING A VOLTMETER, NOTE: BE SURE TO IS THE VOLTAGE
MEASURE ALL ECM EXCLUDE CAVITIES ABOVE 2.0 VOLTS NO REPLACE THE ENGINE
HARNESS CONNECTOR 30,33,45 AND 51 FOR ANY OF THE CONTROL MODULE.*
CAVITIES EXCEPT FROM THIS STEP. MEASUREMENTS?
30,33,45 AND 51.
YES
IS VOLTAGE PRESENT REPAIR SHORT TO
AT ECM HARNESS NO VOLTAGE ON THE
CONNECTOR CAVITIES CIRCUIT THAT
2 OR 28? MEASURED ABOVE 2.0
VOLTS.*
YES
USING A VOLTMETER, REPAIR THE SHORT
REMOVE THE DIESEL MEASURE ECM HARNESS IS THE VOLTAGE YES TO VOLTAGE ON THE
POWER RELAY.** CONNECTOR CAVITY 2. ABOVE 2.0 VOLTS? DIESEL POWER RELAY
OUTPUT CKT.*
FIG.1
NO
TURN IGNITION OFF. THE DIESEL POWER REPAIR THE SHORT
USING AN OHMMETER, RELAY CONTROL CKT. IS THE RESISTANCE YES TO GROUND ON THE
MEASURE BETWEEN AT THE PDC. BELOW 5.0 OHMS? DIESEL POWER RELAY
GROUND AND... CONTROL CKT.*
FIG.2
NO
REPLACE THE DIESEL
POWER RELAY.*
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TEST TC-85ACONTINUED - REPAIRING - TIMING GOVERNING NEGATIVE GOVERNOR DEVIATION
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: THIS CODE REPAIR OTHER CODES
TEST TC-85A WILL SET DUE TO ARE ANY OTHER YES FIRST. CLEAR THIS
CONTINUED FROM NOISE ON THE CODES SET? CODE AND REPEAT
PREVIOUS PAGE. NEEDLE MOVEMENT DIAGNOSIS.*
SENSOR CIRCUIT.
NO
TEST DRIVE
REPLACE THE FUEL VEHICLE. USING THE DOES THE DRB YES REPLACE THE ENGINE
INJECTION PUMP DRB, DISPLAY DISPLAY THIS CODE? CONTROL MODULE.*
ASSEMBLY. CODES.
NO
TEST COMPLETED.*
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TEST TC-86AREPAIRING - TIMING GOVERNING POSITIVE GOVERNOR DEVIATION
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: INCORRECT HAS THE TIMING VERIFY CORRECT
START TEST INJECTION PUMP CHAIN, TIMING YES VALVE TIMING AND
TC-86A. TIMING CAN CAUSE GEARS OR INJECTION INJECTION PUMP
THIS TROUBLE CODE. PUMP BEEN SERVICED TIMING BEFORE
RECENTLY? CONTINUING.
NO
WITH THE DRB, ATTEMPT TO START READ CODES. DOES
ERASE CODES. ENGINE AND THE DRB DISPLAY YES CONTINUE TEST
INCREASE ENGINE "TIMING GOVERNING TC-86A ON THE
TURN IGNITION OFF SPEED ABOVE 1000 POSITIVE GOVERNOR NEXT PAGE.
FOR 10 SECONDS. RPM. DEVIATION"?
NO
USE THE SCHEMATIC AS DOES THE DRB REPAIR THE HARNESS
A GUIDE AND WIGGLE MONITOR THE DRB DISPLAY "TIMING YES OR CONNECTOR THAT
THE SENSOR CONNECTOR DISPLAY. GOVERNING POSITIVE CAUSED THE CODE TO
& HARNESS. GOVERNOR SET.*
FIG.1 DEVIATION"?
NO
AT THIS TIME, THE USING THE
CONDITION REQUIRED SCHEMATIC AS A WERE ANY PROBLEMS YES REPAIR AS
TO SET THE CODE IS GUIDE, INSPECT THE FOUND? NECESSARY.*
NOT PRESENT. WIRING AND
FIG.2 CONNECTORS.
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-86ACONTINUED - REPAIRING - TIMING GOVERNING POSITIVE GOVERNOR DEVIATION
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: THIS CODE
TEST TC-86A WILL SET DUE TO
CONTINUED FROM LOW FUEL VOLUME TO
PREVIOUS PAGE. THE INJECTION
PUMP.
CHECK THE FUEL WERE ANY PROBLEMS YES REPAIR AS
SYSTEM FOR FOUND? NECESSARY.*
RESTRICTIONS.
NO
TEST DRIVE THE
REPLACE THE FUEL VEHICLE. USING THE DOES THE DRB NO
INJECTION PUMP DRB, DISPLAY DISPLAY THIS CODE? TEST COMPLETED.*
ASSEMBLY.* CODES.
YES
NOTE: BEFORE
REPLACING THE ECM, DID THE FUEL YES REPLACE THE ENGINE
PERFORM TEST NTC-3A INJECTION PUMP CONTROL MODULE.*
TO CHECK INTERNAL PASS TEST NTC-3A?
FUEL PUMP CIRCUITRY.
NO
REPLACE THE FUEL
INJECTION PUMP
ASSEMBLY.*
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TEST TC-91ACONTINUED - REPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-91A
CONTINUED FROM IS THE VOLTAGE YES CONTINUE TEST
THE PREVIOUS ABOVE 6.0 VOLTS IN TC-91A ON THE
PAGE. THE PREVIOUS STEP? NEXT PAGE.
NO
KEY OFF. KEY ON.
USING A VOLTMETER, IS THE VOLTAGE YES REPLACE THE BODY
DISCONNECT THE BCM MEASURE THE VSS BETWEEN CONTROL MODULE.*
"B" HARNESS SIGNAL CKT. 4.0 AND 6.0 VOLTS?
CONNECTOR.** FIG.1
NO
KEY OFF. USING AN OHMMETER, REPAIR THE VSS
MEASURE BETWEEN IS THE RESISTANCE YES SIGNAL CIRCUIT FOR
DISCONNECT THE ECM VSS SIGNAL CKT AND BELOW 5.0 OHMS? A SHORT TO SENSOR
HARNESS SENSOR GROUND CKT. GROUND CIRCUIT.*
CONNECTORS.** FIG.1
NO
USING AN OHMMETER, REPAIR THE VSS
MEASURE BETWEEN IS THE RESISTANCE YES SIGNAL CIRCUIT FOR
VSS SIGNAL CKT AND BELOW 5.0 OHMS? A SHORT TO
GROUND. GROUND.*
FIG.1
NO
USING AN OHMMETER,
MEASURE THE THE VSS SENSOR AND IS THE RESISTANCE NO REPAIR THE OPEN
RESISTANCE OF THE THE ECM. BELOW 5.0 OHMS? VSS SIGNAL
VSS SIGNAL CKTCIRCUIT.*
BETWEEN... FIG.2
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-91ACONTINUED - REPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-91A KEY OFF.
CONTINUED FROM
THE PREVIOUS DISCONNECT THE BCM
PAGE. "B" HARNESS
CONNECTOR.**
USING A VOLTMETER,
MEASURE THE VSS IS THE VOLTAGE YES REPLACE THE BODY
TURN IGNITION ON. SIGNAL CKT. BELOW 5.0 VOLTS? CONTROL MODULE.*
FIG.1
NO
KEY OFF.
REMOVE THE DIESEL
DISCONNECT THE ECM POWER RELAY.*
HARNESS
CONNECTORS.* FIG.2
WITH A JUMPER WIRE, KEY ON. USING A REPAIR THE VSS
CONNECT DIESEL POWER VOLTMETER, MEASURE IS THE VOLTAGE NO SIGNAL CIRCUIT FOR
RELAY CONNECTOR THE VSS SIGNAL CKT. ABOVE 1.0 VOLT? A SHORT TO
CAVITIES 30 AND 87 VOLTAGE.*
(IN PDC). FIG.2 FIG.1
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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