2000 CHRYSLER CARAVAN Service Manual

TEST TC-31AREPAIRING - DIESEL POWER RELAY SHUTS OFF TOO LATE
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TURN IGNITION ON.
START TEST ARE THERE OTHER YES DIAGNOSE OTHER
TC-31A. USING THE DRB, TROUBLE CODES SET. CODES BEFORE
CHECK FOR CONTINUING.
ADDITIONAL CODES.
NO
USING THE DRB,
ERASE CODES.
PERFORM SEVERAL TURN IGNITION ON.
IGNITION KEY CYCLES DOES THIS CODE YES CONTINUE TEST
PAUSING AT LEAST 10 USING THE DRB, APPEAR? TC-31A ON THE
SECONDS BETWEEN EACH READ CODES. NEXT PAGE.
CYCLE.
NO
AT THIS TIME THE USING THE
CONDITION TO SET SCHEMATIC AS A WERE ANY PROBLEMS YES REPAIR AS
THE TROUBLE CODE GUIDE, INSPECT THE FOUND? NECESSARY.*
IS NOT PRESENT. WIRING AND
FIG.1 CONNECTORS.
NO
REFER TO GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-31ACONTINUED - REPAIRING - DIESEL POWER RELAY SHUTS OFF TOO LATE
FIG.1
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TEST TC-31ACONTINUED - REPAIRING - DIESEL POWER RELAY SHUTS OFF TOO LATE
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-31A KEY OFF.
CONTINUED FROM SUBSTITUTE THE
THE PREVIOUS DIESEL POWER RELAY
PAGE. WITH A KNOWN GOOD
RELAY. FIG.1
PERFORM SEVERAL TURN IGNITION ON.
KEY CYCLES PAUSING DOES THIS CODE NO REPLACE THE
FOR AT LEAST 10 USING THE DRB, APPEAR? INITIAL DIESEL
SECONDS BETWEEN READ CODES. POWER RELAY.*
EACH CYCLE.
YES
KEY OFF.
DISCONNECT THE ECM
REMOVE THE DIESEL HARNESS
POWER RELAY.** CONNECTORS.**
FIG.1
USING AN OHMMETER, WIGGLING THE WAS THE RESISTANCE REPAIR THE
MEASURE RESISTANCE WIRING AND BELOW 5.0 OHMS AT YES INTERMITTENT SHORT
BETWEEN GROUND AND CONNECTORS BETWEEN ANY TIME WHILE TO GROUND IN THE
DIESEL POWER RELAY THE ECM AND PDC. WIGGLING? DIESEL POWER RELAY
CONTROL CKT WHILE... FIG.1 CONTROL CIRCUIT.*
NO
REINSTALL THE DIESEL
POWER RELAY.
RECONNECT THE ECM
HARNESS CONNECTORS.
PERFORM SEVERAL TURN IGNITION ON.
KEY CYCLES PAUSING DOES THIS CODE YES REPLACE THE ENGINE
FOR AT LEAST 10 USING THE DRB, APPEAR? CONTROL MODULE.*
SECONDS BETWEEN READ CODES.
EACH CYCLE.
NO
TEST COMPLETE.*
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TEST TC-33AREPAIRING - EGR OPEN CIRCUIT
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
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TEST TC-33AREPAIRING - EGR OPEN CIRCUIT
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB, DOES THE DRB YES CONTINUE TEST
TC-33A. ERASE CODES. DISPLAY "EGR OPEN TC-33A ON THE
CIRCUIT"? NEXT PAGE.
NO
WHILE MONITORING THEREPAIR THE WIRING
DRB DISPLAY FOR DOES THE DRB YES OR CONNECTOR THAT
CODES, WIGGLE THE DISPLAY "EGR OPEN CAUSED THE CODE TO
EGR SOLENOID WIRING CIRCUIT"? SET.*
AND CONNECTORS.
NO
AT THIS TIME, THE USING THE SCHEMATIC
CONDITION REQUIRED AS A GUIDE, INSPECT WERE ANY PROBLEMS YES REPAIR AS
TO SET THE CODE IS THE WIRING AND FOUND? NECESSARY.*
NOT PRESENT. CONNECTORS.
FIG.1 FIG.2
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-33ACONTINUED - REPAIRING - EGR OPEN CIRCUIT
FIG.1
FIG.2
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TEST TC-33ACONTINUED - REPAIRING - EGR OPEN CIRCUIT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-33A TURN IGNITION OFF.
CONTINUED FROM DISCONNECT THE EGR
THE PREVIOUS SOLENOID HARNESS
PAGE. CONNECTOR.**
KEY ON. USING A
VOLTMETER, MEASURE IS THE VOLTAGE YES REPAIR THE OPEN
THE DIESEL POWER BELOW 10.0 VOLTS? DIESEL POWER RELAY
RELAY OUTPUT CKT. OUTPUT CKT.*
FIG.1
NO
TURN IGNITION OFF. USING AN OHMMETER, REPAIR THE SHORT
DISCONNECT THE ECM MEASURE THE EGR IS THE RESISTANCE YES TO GROUND OF THE
HARNESS SOLENOID CONTROL BELOW 5.0 OHMS? EGR SOLENOID
CONNECTORS.** CIRCUIT TO GROUND. CONTROL CKT.*
FIG.1
NO
USING AN OHMMETER,
MEASURE THE EGR IS THE RESISTANCE YES REPAIR THE OPEN
SOLENOID CONTROL ABOVE 5.0 OHMS? EGR SOLENOID
CIRCUIT. CONTROL CKT.*
FIG.2
NO
RECONNECT THE ECM
REPLACE THE EGR AND EGR SOLENOID DOES THE EGR CODE YES REPLACE THE ENGINE
SOLENOID. CONNECTORS. KEY RESET? CONTROL MODULE.*
ON. USING THE DRB,
CHECK FOR CODES.
NO
TEST COMPLETE.*
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TEST TC-34AREPAIRING - EGR SHORT CIRCUIT
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
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