engine CHRYSLER CARAVAN 2000 Manual Online

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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TEST TC-53ACONTINUED - REPAIRING - GLOW RELAY #1 CONTROLLER SHORT CIRCUIT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-53A
CONTINUED FROM TURN IGNITION OFF.
THE PREVIOUS REMOVE THE GLOW
PAGE. PLUG #1 RELAY.**
USING AN OHMMETER, 85 AND 86 IS THE RESISTANCE
MEASURE RESISTANCE 85 AND 87 BELOW 30.0 OHMS YES REPLACE THE GLOW
BETWEEN GLOW PLUG 85 AND 30 FOR ANY OF THE PLUG #1 RELAY.*
#1 RELAY 85 AND 87A MEASUREMENTS?
TERMINALS... FIG.1
NO
DISCONNECT THE ECM REMOVE THE DIESEL
HARNESS POWER RELAY.**
CONNECTORS.**
WITH A JUMPER WIRE, TURN IGNITION ON.
CONNECT DIESEL POWER
RELAY CONN. CAVITIES USE A VOLTMETER IN
30 AND 87 (IN PDC). THE FOLLOWING
FIG.2 STEP.
MEASURE THE GLOW REPAIR GLOW PLUG
PLUG #1 RELAY IS THE VOLTAGE YES #1 RELAY CONTROL
CONTROL CIRCUIT. ABOVE 1.0 VOLT? CIRCUIT FOR SHORT
TO VOLTAGE.*
FIG.3
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-54AREPAIRING - GLOW RELAY #2 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-54A. ACTUATE GLOW PLUG #2 RELAY CLICKING? TEST-54A 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 #2 RELAY TO THE GLOW PLUG #2 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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TEST TC-54ACONTINUED - REPAIRING - GLOW RELAY #2 CONTROLLER SHORT CIRCUIT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-54A
CONTINUED FROM TURN IGNITION OFF.
THE PREVIOUS REMOVE THE GLOW
PAGE. PLUG #2 RELAY.**
USING AN OHMMETER, 85 AND 86 IS THE RESISTANCE
MEASURE RESISTANCE 85 AND 87 BELOW 30.0 OHMS YES REPLACE THE GLOW
BETWEEN GLOW PLUG 85 AND 30 FOR ANY OF THE PLUG #2 RELAY.*
#2 RELAY 85 AND 87A MEASUREMENTS?
TERMINALS... FIG.1
NO
DISCONNECT THE ECM REMOVE THE DIESEL
HARNESS POWER RELAY.**
CONNECTORS.**
WITH A JUMPER WIRE, TURN IGNITION ON.
CONNECT DIESEL POWER
RELAY CONN. CAVITIES USE A VOLTMETER IN
30 AND 87 (IN PDC). THE FOLLOWING
FIG.2 STEP.
MEASURE THE GLOW REPAIR GLOW PLUG
PLUG #2 RELAY IS THE VOLTAGE YES #2 RELAY CONTROL
CONTROL CIRCUIT. ABOVE 1.0 VOLT? CIRCUIT FOR SHORT
TO VOLTAGE.*
FIG.3
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-56AREPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR DYNAMIC PLAUSIBILITY
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
TC-56A. ERASE CODES.
START THE ENGINE.
VARY THE ENGINE MONITOR THE DRB DOES THE DRB YES CONTINUE TEST
SPEED FROM IDLE TO DISPLAY. DISPLAY THIS CODE? TC-56A ON THE
3500 RPM SEVERALNEXT PAGE.
TIMES.
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.1 CONNECTORS. 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-56ACONTINUED - REPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR DYNAMIC
PLAUSIBILITY
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TURN IGNITION OFF.
TEST TC-56A DISCONNECT THE
CONTINUED FROM NEEDLE MOVEMENT
PREVIOUS PAGE. SENSOR HARNESS
CONNECTOR.**
INSPECT THE NEEDLE THE SENSOR HARNESS IS THERE ANY
MOVEMENT SENSOR AND ENGINE HARNESS. DAMAGE OR YES REPAIR AS
CONNECTOR CORROSION AT NECESSARY.*
TERMINALS AT EITHER HARNESS
BOTH.... FIG.1 AND 2. CONNECTOR?
NO
CHECK THE WIRING THIS INTERFERENCE
HARNESS FOR COULD BE CAUSED BY IS THE WIRING YES REPAIR AS
MIS-ROUTING THAT LARGE CURRENT HARNESS NECESSARY.*
COULD INDUCE CARRYING WIRES OR MIS-ROUTED?
INTERFERENCE. THE ALTERNATOR.
NO
DISCONNECT THE ECM THE NEEDLE REPAIR THE OPEN IN
HARNESS MOVEMENT SENSOR IS THE RESISTANCE YES THE NEEDLE
CONNECTORS.** USING SIGNAL CIRCUIT. ABOVE 5.0 OHMS? MOVEMENT SENSOR
AN OHMMETER, MEASURESIGNAL CIRCUIT.*
THE RESISTANCE OF... FIG.3
NO
KEY OFF. REPLACE THE START AND OPERATE
NEEDLE MOVEMENT THE ENGINE FROM DOES THIS CODE YES REPLACE THE ENGINE
SENSOR. RECONNECT IDLE TO 3500 RPM RESET? CONTROL MODULE.*
ALL CONNECTORS. KEY WHILE MONITORING
ON. ERASE CODES. THE DRB.
NO
TEST COMPLETE.*
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