CHRYSLER CARAVAN 2000 Service Manual

TEST TC-35AREPAIRING - ENGINE SPEED SENSOR DYNAMIC PLAUSIBILITY
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST ATTEMPT TO START DOES THE ENGINE NO CONTINUE TEST
TC-35A. AND IDLE THE START AND IDLE? TC-35A ON THE
ENGINE. NEXT PAGE.
YES
USE THE SCHEMATIC AS DOES THE DRB REPAIR THE HARNESS
WITH THE ENGINE A GUIDE AND WIGGLE DISPLAY "ENGINE YES OR CONNECTOR THAT
STILL RUNNING... THE ENGINE SPEED SPEED SENSOR CAUSED THE CODE TO
SENSOR CONNECTOR & DYNAMIC SET.*
HARNESS. FIG.1 PLAUSIBILITY"?
NO
AT THIS TIME, THE USING THE SCHEMATIC
CONDITION REQUIRED AS A GUIDE, INSPECT WERE ANY PROBLEMS REPAIR AS
TO SET THE CODE IS THE WIRING AND FOUND? NECESSARY.*
NOT PRESENT. CONNECTORS. YES
FIG.2 FIG.1
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-35ACONTINUED - REPAIRING - ENGINE SPEED SENSOR DYNAMIC PLAUSIBILITY
FIG.1
FIG.2
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TEST TC-35ACONTINUED - REPAIRING - ENGINE SPEED SENSOR DYNAMIC PLAUSIBILITY
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY OFF.
TEST TC-35A DISCONNECT ENGINE
CONTINUED FROM SPEED SENSOR AND
PREVIOUS PAGE. THE ECM HARNESS
CONNECTORS.**
MEASURE RESISTANCE REPAIR THE SHORT
USE AN OHMMETER IN BETWEEN GROUND AND IS THE RESISTANCE YES TO GROUND ON THE
THE FOLLOWING ENGINE SPEED BELOW 5.0 OHMS? ENGINE SPEED
STEPS. SENSOR SIGNAL CKT. SENSOR CKT.*
FIG.1
NO
MEASURE RESISTANCE REPAIR THE ENGINE
BETWEEN THE ENGINE IS THE RESISTANCE YES SPEED SENSOR
SPEED SENSOR SIGNAL BELOW 5.0 OHMS? CIRCUIT FOR A
CKT AND SENSOR SHORT TO SENSOR
GROUND. FIG.1 GROUND.*
NO
MEASURE THE
RESISTANCE OF THE IS THE RESISTANCE YES REPAIR THE OPEN
ENGINE SPEED ABOVE 5.0 OHMS? ENGINE SPEED
SENSOR CIRCUIT. SENSOR CKT.*
FIG.2
NO
WITH A JUMPER KEY ON. USING A REPAIR THE SHORT
WIRE, CONNECT ECM VOLTMETER, MEASURE IS THE VOLTAGE YES TO VOLTAGE ON THE
HARNESS CONNECTOR THE ENGINE SPEED ABOVE 0.5 VOLTS? ENGINE SPEED
CAVITY 33 TO SENSOR CIRCUIT. SENSOR CKT.*
GROUND. FIG.1
NO
KEY OFF. REMOVE USING A VOLTMETER TO WITH ENGINE RUNNING,
JUMPER WIRE. MEASURE FREQUENCY, IS FREQUENCY BETWEEN YES REPLACE THE ENGINE
RECONNECT ECM AND BACKPROBE ECM 44 AND 64HZ AT 850 CONTROL MODULE.*
ENGINE SPEED SENSOR HARNESS CONNECTOR RPM AND 150 AND
HARNESS CONNECTORS. CAVITY 67. FIG.2 190HZ AT 2500 RPM?
NO
REPLACE THE ENGINE
SPEED SENSOR.*
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TEST TC-36AREPAIRING - ENGINE SPEED SENSOR OVERSPEED RECOGNITION
Perform TEST DTC Before ProceedingT
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TEST TC-36AREPAIRING - ENGINE SPEED SENSOR OVERSPEED RECOGNITION
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
NOTE: THIS CODE
START TEST INDICATES THE ENGINE
TC-36A. SPEED SENSOR HAS
SEEN AN ENGINE SPEED
OF ABOVE 5400 RPM.
USING THE DRB,
CHECK FOR OTHER ARE ANY OTHER YES REPAIR OTHER CODES
ENGINE SPEED CODES SET? FIRST.*
SENSOR CODES.
NO
CHECK ENGINE SPEED
WITH THE DRB, SENSOR WIRING FOR WERE ANY PROBLEMS YES REPAIR AS
ERASE THE CODE. INCORRECT ROUTING FOUND? NECESSARY.*
AND CONNECTIONS
WHICH MAY CAUSE EMI.
NO
DOES THE DRB
TEST DRIVE WITH THE DRB, READ DISPLAY "ENGINE NO
VEHICLE. TROUBLE CODES. SPEED SENSOR TEST COMPLETED.*
OVERSPEED
RECOGNITION"?
YES
TEST DRIVE THE DOES THE DRB
REPLACE THE ENGINE VEHICLE. WITH THE DISPLAY "ENGINE NO
SPEED SENSOR. DRB, READ TROUBLE SPEED SENSOR TEST COMPLETED.*
CODES. OVERSPEED
RECOGNITION"?
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-38AREPAIRING - ENGINE SPEED SENSOR STATIC PLAUSIBILITY
FIG.1
FIG.2
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TEST TC-38AREPAIRING - ENGINE SPEED SENSOR STATIC PLAUSIBILITY
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST ATTEMPT TO START DOES THE ENGINE NO CONTINUE TEST
TC-38A. AND IDLE THE START AND IDLE? TC-38A ON THE
ENGINE. NEXT PAGE.
YES
USE THE SCHEMATIC AS DOES THE DRB REPAIR THE HARNESS
WITH THE ENGINE A GUIDE AND WIGGLE DISPLAY "ENGINE YES OR CONNECTOR THAT
STILL RUNNING... THE ENGINE SPEED SPEED SENSOR CAUSED THE CODE TO
SENSOR CONNECTOR & STATIC SET.*
HARNESS. FIG.1 PLAUSIBILITY"?
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-38ACONTINUED - REPAIRING - ENGINE SPEED SENSOR STATIC PLAUSIBILITY
FIG.1
FIG.2
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TEST TC-38ACONTINUED - REPAIRING - ENGINE SPEED SENSOR STATIC PLAUSIBILITY
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY OFF.
TEST TC-38A DISCONNECT ENGINE
CONTINUED FROM SPEED SENSOR AND
PREVIOUS PAGE. THE ECM HARNESS
CONNECTORS.**
MEASURE RESISTANCE REPAIR THE SHORT
USE AN OHMMETER IN BETWEEN GROUND AND IS THE RESISTANCE YES TO GROUND ON THE
THE FOLLOWING THE ENGINE SPEED BELOW 5.0 OHMS? ENGINE SPEED
STEPS. SENSOR SIGNAL CKT. SENSOR CKT.*
FIG. 1
NO
MEASURE RESISTANCE REPAIR THE ENGINE
BETWEEN ENGINE SPEED IS THE RESISTANCE YES SPEED SENSOR
SENSOR SIGNAL CKT BELOW 5.0 OHMS? CIRCUIT FOR A
AND SENSOR GROUND. SHORT TO SENSOR
FIG. 1 GROUND.*
NO
MEASURE THE
RESISTANCE OF THE IS THE RESISTANCE YES REPAIR THE OPEN
ENGINE SPEED ABOVE 5.0 OHMS? ENGINE SPEED
SENSOR CIRCUIT. SENSOR CKT.*
FIG.2
NO
WITH A JUMPER KEY ON. USING A REPAIR THE SHORT
WIRE, CONNECT ECM VOLTMETER, MEASURE IS THE VOLTAGE YES TO VOLTAGE ON THE
HARNESS CONNECTOR THE ENGINE SPEED ABOVE 0.5 VOLTS? ENGINE SPEED
CAVITY 33 TO SENSOR CIRCUIT. SENSOR CKT.*
GROUND. FIG.1
NO
KEY OFF. RECONNECT USING A VOLTMETER TO WITH ENGINE RUNNING,
THE ECM AND ENGINE MEASURE FREQUENCY, IS FREQUENCY BETWEEN YES REPLACE THE ENGINE
SPEED SENSOR BACKPROBE ECM 44 AND 64HZ AT 850 CONTROL MODULE.*
HARNESS HARNESS CONNECTOR RPM AND 150 AND
CONNECTORS. CAVITY 67. FIG.2 190HZ AT 2500 RPM?
NO
REPLACE THE ENGINE
SPEED SENSOR.*
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TEST TC-39AREPAIRING - FAN CONTROL OPEN CIRCUIT FAN 1
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
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