2000 CHRYSLER CARAVAN check engine

TEST TC-46ACONTINUED - REPAIRING - FUEL QUANTITY ACTUATOR POS. GOVERNOR
DEVIATION WARM
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
CHECK FOR RECENT
TEST TC-46A REPLACEMENT OR
CONTINUED FROM MOVEMENT OF THE
PREVIOUS PAGE. FUEL INJECTION
PUMP ASSEMBLY.
NOTE: AN
IMPROPERLY TIMED WAS THE FUEL YES RESET FUEL
FUEL INJECTION INJECTION PUMP INJECTION PUMP TO
PUMP WILL CAUSE MOVED OR REPLACED? ENGINE TIMING.
THIS CODE TO SET.
NO
INSPECT THE FUEL
SYSTEM FOR AT THE FUEL TANK WAS A RESTRICTION YES REPAIR AS
RESTRICTIONS AT THE MODULE. FOUND? NECESSARY.*
DELIVERY LINES,
FILTER AND....
NO
REPLACE THE FUEL START AND OPERATE
INJECTION PUMP THE ENGINE BETWEEN DOES THE DRB YES REPLACE THE ENGINE
ASSEMBLY. IDLE AND 3500 RPM DISPLAY THIS CODE? CONTROL MODULE.*
USING THE DRB, WHILE MONITORING
ERASE CODES. THE DRB DISPLAY.
NO
TEST COMPLETE.*
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TEST TC-47ACONTINUED - REPAIRING - FUEL TEMPERATURE SENSOR SRC HIGH EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-47A KEY OFF.
CONTINUED FROM DISCONNECT THE
THE PREVIOUS FUEL INJECTION
PAGE. PUMP HARNESS
CONNECTOR.**
KEY ON. MEASURE THE FUEL REPAIR THE FUEL
TEMP SENSOR SIGNAL IS THE VOLTAGE YES TEMP SENSOR SIGNAL
USE A VOLTMETER IN CIRCUIT. ABOVE 5.5 VOLTS? CKT FOR A SHORT TO
THE FOLLOWINGVOLTAGE. IF OK,
STEP. FIG.1 REPLACE THE ECM.*
NO
CONNECT A JUMPER DOES THE DRB
BETWEEN THE FUEL WITH THE DRB, DISPLAY "FUEL YES REPLACE THE FUEL
TEMPERATURE SENSOR ERASE AND THEN TEMPERATURE SENSOR INJECTION PUMP
SIGNAL AND SENSOR READ CODES. LOW EXCEEDED"? ASSEMBLY.*
GROUND CKT. FIG.1
NO
MOVE THE JUMPER DOES THE DRB
WIRE FROM THE WITH THE DRB, READ DISPLAY "FUEL YES REPAIR THE OPEN
SENSOR GROUND TO CODES. TEMPERATURE SENSOR SENSOR GROUND
AN ENGINE GROUND. LOW EXCEEDED"? CIRCUIT.*
NO
KEY OFF. DISCONNECT MEASURE THE FUEL REPAIR THE OPEN
THE ECM HARNESS TEMPERATURE SENSOR IS THE RESISTANCE NO FUEL TEMPERATURE
CONNECTORS.** SIGNAL CIRCUIT. BELOW 5.0 OHMS? SENSOR SIGNAL
CIRCUIT.*
USING AN OHMMETER... FIG.2
YES
NOTE: BEFORE
REPLACING ECM, DID FUEL INJECTION YES REPLACE THE ENGINE
PERFORM TEST NTC-3A PUMP PASS TEST CONTROL MODULE.*
TO CHECK INTERNAL NTC-3A?
FUEL PUMP CIRCUITRY.
NO
REPLACE THE FUEL
INJECTION PUMP
ASSEMBLY.*
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TEST TC-48ACONTINUED - REPAIRING - FUEL TEMPERATURE SENSOR SRC LOW EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-48A KEY OFF.
CONTINUED FROM DISCONNECT THE
THE PREVIOUS FUEL INJECTION
PAGE. PUMP HARNESS
CONNECTOR.**
DOES THE DRB
WITH THE DRB, DISPLAY "FUEL YES REPLACE THE FUEL
ERASE AND THEN TEMPERATURE SENSOR INJECTION PUMP
READ CODES. HIGH EXCEEDED"? ASSEMBLY.*
NO
KEY OFF. USING AN OHMMETER, REPAIR THE FUEL
DISCONNECT THE ECM MEASURE THE FUEL IS THE RESISTANCE YES TEMPERATURE SENSOR
HARNESS TEMPERATURE SENSOR BELOW 5.0 OHMS? SIGNAL CIRCUIT FOR
CONNECTORS.** SIGNAL CIRCUIT TO A SHORT TO
GROUND. FIG.1 GROUND.*
NO
WITH AN OHMMETER FUEL INJECTION PUMP REPAIR THE FUEL
MEASURE THE HARNESS CONNECTOR IS THE RESISTANCE YES TEMPERATURE SENSOR
RESISTANCE BETWEEN CAVITIES 4 AND 7. BELOW 5.0 OHMS? SIGNAL CIRCUIT
THE... SHORTED TO THE
FIG.1 SENSOR GND CIRCUIT.*
NO
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-51AREPAIRING - GLOW RELAY #1 CONTROLLER OPEN CIRCUIT
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST WITH THE DRB, IS THE GLOW PLUG NO CONTINUE
TC-51A. ACTUATE GLOW PLUG #1 RELAY CLICKING? TEST-51A ON THE
#1 RELAY. NEXT PAGE.
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 NOTE: THE DRB MUST REPAIR AS
HARNESS FROM THE STILL BE ACTUATING DID THE WIGGLING YES NECESSARY WHERE
GLOW PLUG #1 RELAY THE GLOW PLUG #1 INTERRUPT THE WIGGLING CAUSED
TO THE ENGINE RELAY. CLICKING? CLICKING TO BE
CONTROL MODULE.INTERRUPTED.*
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETED.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-51ACONTINUED - REPAIRING - GLOW RELAY #1 CONTROLLER OPEN CIRCUIT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-51A
CONTINUED FROM TURN IGNITION OFF.
THE PREVIOUS REMOVE THE GLOW
PAGE. PLUG #1 RELAY.**
USING A VOLTMETER,
MEASURE THE DIESEL IS THE VOLTAGE NO REPAIR THE OPEN
TURN IGNITION ON. POWER RELAY OUTPUT ABOVE 10.0 VOLTS? DIESEL POWER RELAY
CIRCUIT. OUTPUT CIRCUIT.*
FIG.1
YES
TURN IGNITION OFF. MEASURE RESISTANCE
USE AN OHMMETER IN BETWEEN CAVITY 85 IS THE RESISTANCE NO REPLACE THE GLOW
THE FOLLOWING AND 86 OF THE GLOW BELOW 100.0 OHMS? PLUG #1 RELAY.*
STEPS. PLUG #1 RELAY.
FIG.2
YES
KEY OFF. MEASURE RESISTANCE REPAIR THE GLOW
DISCONNECT THE ECM BETWEEN GROUND AND IS THE RESISTANCE YES PLUG #1 RELAY
HARNESS THE GLOW PLUG #1 BELOW 5.0 OHMS? CONTROL CKT FOR A
CONNECTORS.** RELAY CONTROL CKT. SHORT TO GROUND.*
FIG.1
NO
MEASURE THE FROM THE RELAY TO
RESISTANCE OF THE THE ECM. IS THE RESISTANCE NO REPAIR OPEN GLOW
GLOW PLUG #1 RELAY BELOW 5.0 OHMS? PLUG #1 RELAY
CONTROL CIRCUIT... CONTROL CKT.*
FIG.3
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-52AREPAIRING - GLOW RELAY #2 CONTROLLER OPEN CIRCUIT
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST WITH THE DRB, IS THE GLOW PLUG NO CONTINUE
TC-52A. ACTUATE GLOW PLUG #2 RELAY CLICKING? TEST-52A ON THE
#2 RELAY. NEXT PAGE.
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 NOTE: THE DRB MUST REPAIR AS
HARNESS FROM THE STILL BE ACTUATING DID THE WIGGLING YES NECESSARY WHERE
GLOW PLUG #2 RELAY THE GLOW PLUG #2 INTERRUPT THE WIGGLING CAUSED
TO THE ENGINE RELAY. CLICKING? CLICKING TO BE
CONTROL MODULE.INTERRUPTED.*
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETED.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-52ACONTINUED - REPAIRING - GLOW RELAY #2 CONTROLLER OPEN CIRCUIT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-52A
CONTINUED FROM TURN IGNITION OFF.
THE PREVIOUS REMOVE THE GLOW
PAGE. PLUG #2 RELAY.**
USING A VOLTMETER,
MEASURE THE DIESEL IS THE VOLTAGE NO REPAIR THE OPEN
TURN IGNITION ON. POWER RELAY OUTPUT ABOVE 10.0 VOLTS? DIESEL POWER RELAY
CIRCUIT. OUTPUT CIRCUIT.*
FIG.1
YES
TURN IGNITION OFF. MEASURE RESISTANCE
USE AN OHMMETER IN BETWEEN CAVITY 85 IS THE RESISTANCE NO REPLACE THE GLOW
THE FOLLOWING AND 86 OF THE GLOW BELOW 100.0 OHMS? PLUG #2 RELAY.*
STEPS. PLUG #2 RELAY.
FIG.2
YES
KEY OFF. MEASURE RESISTANCE REPAIR THE GLOW
DISCONNECT THE ECM BETWEEN GROUND AND IS THE RESISTANCE YES PLUG #2 RELAY
HARNESS THE GLOW PLUG #2 BELOW 5.0 OHMS? CONTROL CKT FOR A
CONNECTORS.** RELAY CONTROL CKT. SHORT TO GROUND.*
FIG.1
NO
MEASURE THE FROM THE RELAY TO
RESISTANCE OF THE THE ECM. IS THE RESISTANCE NO REPAIR OPEN GLOW
GLOW PLUG #2 RELAY BELOW 5.0 OHMS? PLUG #2 RELAY
CONTROL CIRCUIT... CONTROL CKT.*
FIG.3
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-53AREPAIRING - GLOW RELAY #1 CONTROLLER SHORT CIRCUIT
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST WITH THE DRB, IS THE GLOW PLUG NO CONTINUE
TC-53A. ACTUATE GLOW PLUG #1 RELAY CLICKING? TEST-53A ON THE
#1 RELAY. NEXT PAGE.
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 NOTE: THE DRB MUST REPAIR AS
HARNESS FROM THE STILL BE ACTUATING DID THE WIGGLING YES NECESSARY WHERE
GLOW #1 RELAY TO THE GLOW PLUG #1 INTERRUPT THE WIGGLING CAUSED
THE ENGINE CONTROL RELAY. CLICKING? CLICKING TO BE
MODULE.INTERRUPTED.*
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETED.*
INFORMATION ON
INTERMITTENT CODES.
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