sensor CHRYSLER CARAVAN 2000 Service Manual

TEST TC-73ACONTINUED - REPAIRING - NEEDLE MOVEMENT SENSOR SRC LOW EXCEEDED
FIG.1
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TEST TC-73ACONTINUED - REPAIRING - NEEDLE MOVEMENT SENSOR SRC LOW EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-73A DOES THE DRB
CONTINUED FROM DISCONNECT THE DISPLAY "NEEDLE YES REPLACE THE NEEDLE
THE PREVIOUS NEEDLE MOVEMENT MOVEMENT SENSOR MOVEMENT SENSOR.*
PAGE. SENSOR.** SRC HIGH
EXCEEDED"?
NO
KEY OFF. USING AN OHMMETER, REPAIR THE NEEDLE
DISCONNECT THE ECM MEASURE THE NEEDLE IS THE RESISTANCE YES MOVEMENT SENSOR
HARNESS MOVEMENT SENSOR BELOW 5.0 OHMS? SIGNAL CIRCUIT FOR
CONNECTORS.** SIGNAL CIRCUIT TO A SHORT TO
GROUND. FIG.1 GROUND.*
NO
WITH AN OHMMETER NEEDLE MOVEMENT REPAIR THE NEEDLE
MEASURE THE SENSOR SIGNAL IS THE RESISTANCE YES MOVEMENT SENSOR
RESISTANCE BETWEEN CIRCUIT AND SENSOR BELOW 5.0 OHMS? SIGNAL CIRCUIT
THE... GROUND CIRCUIT. SHORTED TO THE
FIG.1 SENSOR GND CIRCUIT.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-81AREPAIRING - TEMPERATURE OF ENGINE COOLANT SRC HIGH EXCEEDED
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
WITH THE DRB, READ IS THE ENGINE
START TEST THE ENGINE COOLANT COOLANT YES CONTINUE TEST
TC-81A. TEMPERATURE SENSOR TEMPERATURE SENSOR TC-81A ON THE
VOLTAGE. VOLTAGE ABOVE 4.7 NEXT PAGE.
VOLTS?
NO
USE THE SCHEMATIC WAS THERE ANY REPAIR THE HARNESS
AS A GUIDE AND MONITOR THE DRB ENGINE COOLANT YES OR CONNECTOR THAT
WIGGLE THE ECT DISPLAY. TEMPERATURE SENSOR CAUSED THE VOLTAGE
SENSOR CONNECTOR & VOLTAGE CHANGE? CHANGE.*
HARNESS. FIG.1
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. FIG.2 WIRING AND
CONNECTORS.
NO
REFER TO GENERAL
INFOMATION 3.3.2 FOR YES
ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-81ACONTINUED - REPAIRING - TEMPERATURE OF ENGINE COOLANT SRC HIGH
EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-81A KEY OFF.
CONTINUED FROM DISCONNECT THE ECT
THE PREVIOUS SENSOR HARNESS
PAGE. CONNECTOR.**
KEY ON. MEASURE THE ECT REPAIR THE ECT
SIGNAL CIRCUIT. IS THE VOLTAGE YES SENSOR SIGNAL CKT
USE A VOLTMETER IN ABOVE 5.5 VOLTS? FOR A SHORT TO
THE FOLLOWINGVOLTAGE.* IF OK,
STEP. FIG.1 REPLACE THE ECM.*
NO
CONNECT A JUMPER WITH THE DRB, READ REPLACE THE ENGINE
BETWEEN THE ECT THE ENGINE COOLANT IS THE VOLTAGE YES COOLANT
SENSOR SIGNAL AND TEMPERATURE SENSOR BELOW 1.0 VOLT? TEMPERATURE
SENSOR GROUND CKT. VOLTAGE. SENSOR.*
FIG.1
NO
MOVE THE JUMPER WITH THE DRB, READ
WIRE FROM THE THE ENGINE COOLANT IS THE VOLTAGE YES REPAIR THE OPEN
SENSOR GROUND TO TEMPERATURE SENSOR BELOW 1.0 VOLT? SENSOR GROUND
AN ENGINE GROUND. VOLTAGE. CIRCUIT.*
FIG.1
NO
KEY OFF.
DISCONNECT THE ECM USE AN OHMMETER IN
HARNESS THE FOLLOWING
CONNECTORS.** STEP.
MEASURE THE ENGINE
COOLANT TEMEPERATURE IS THE RESISTANCE YES REPLACE THE ENGINE
SENSOR SIGNAL BELOW 5.0 OHMS? CONTROL MODULE.*
CIRCUIT.
FIG.2
NO
REPAIR THE OPEN
ENGINE COOLANT
TEMPERATURE SENSOR
SIGNAL CIRCUIT.*
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TEST TC-82AREPAIRING - TEMPERATURE OF ENGINE COOLANT SRC LOW EXCEEDED
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
WITH THE DRB, READ IS THE ENGINE
START TEST THE ENGINE COOLANT COOLANT YES CONTINUE TEST
TC-82A. TEMPERATURE SENSOR TEMPERATURE SENSOR TC-82A ON THE
VOLTAGE. VOLTAGE BELOW NEXT PAGE.
0.3 VOLT?
NO
USING THE SCHEMATIC, WAS THERE ANY REPAIR THE HARNESS
WIGGLE THE ENGINE MONITOR THE DRB ENGINE COOLANT YES OR CONNECTOR THAT
COOLANT TEMPERATURE DISPLAY. TEMPERATURE SENSOR CAUSED THE VOLTAGE
SENSOR CONNECTOR & VOLTAGE CHANGE? CHANGE.*
HARNESS. FIG.1
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-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-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-91AREPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
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TEST TC-91AREPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
TC-91A ERASE CODES.
TEST DRIVE THE WITH THE DRB, READ DOES THE DRB YES CONTINUE TEST
VEHICLE. TROUBLE CODES. DISPLAY A VEHICLE TC-91A ON THE
SPEED SENSOR CODE? NEXT PAGE.
NO
TURN IGNITION OFF. INSPECT THE VSS
HARNESS CONNECTOR IS THERE EVIDENCE YES REPAIR OR REPLACE
DISCONNECT THE VSS TERMINALS.** OF TERMINAL DAMAGE TERMINALS AS
HARNESS OR CORROSION? NECESSARY.*
CONNECTOR.** FIG.1
NO
CHECK THE VSS THIS INTERFERENCE
HARNESS FOR COULD BE CAUSED BY IS THE VSS WIRING NO REPAIR AS
MIS-ROUTING THAT HIGH CURRENT ROUTED CORRECTLY? NECESSARY.*
COULD INDUCE CARRYING WIRES OR
INTERFERENCE. THE ALTERNATOR.
YES
AT THIS TIME, THE USING THE SCHEMATIC
CONDITION REQUIRED AS A GUIDE, WERE ANY PROBLEMS YES REPAIR AS
TO SET THE CODE IS INSPECTOR THE WIRING FOUND? NECESSARY.*
NOT PRESENT. AND CONNECTORS.
FIG.2
NO
REFER TO GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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