2000 CHRYSLER CARAVAN engine

TEST TC-44AREPAIRING - FUEL QUANTITY ACTUATOR NEG. GOVERNOR DEVIATION WARM
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
TC-44A. 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-44A ON THE
3500 RPM SEVERALNEXT PAGE.
TIMES.
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
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
165
ProCarManuals.com

TEST TC-44ACONTINUED - REPAIRING - FUEL QUANTITY ACTUATOR NEG. GOVERNOR
DEVIATION WARM
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TURN IGNITION OFF.
TEST TC-44A DISCONNECT THE
CONTINUED FROM FUEL INJECTION
PREVIOUS PAGE. PUMP CONNECTOR.**
USING AN OHMMETER THE CASE OF THE FUEL
MEASURE CAVITY 8 INJECTION PUMP. IS THE RESISTANCE YES REPLACE THE FUEL
OF THE FUEL PUMP BELOW 5.0 OHMS? INJECTION PUMP
ASSEMBLY CONNECTORASSEMBLY.*
TO... FIG.1
NO
USING AN OHMMETER IS THE RESISTANCE REPAIR THE SHORT
DISCONNECT THE ECM MEASURE THE BELOW 10.0 OHMS YES TO GROUND ON THE
HARNESS RESISTANCE TO GROUND FOR ANY OF THE FUEL QUANTITY
CONNECTORS.** AT ECM CAVITIES 59, MEASUREMENTS? ACTUATOR CONTROL
66 AND 80. FIG.2 CIRCUIT.*
NO
NOTE: BEFORE
REPLACING THE 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.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
167
ProCarManuals.com

TEST TC-45AREPAIRING - FUEL QUANTITY ACTUATOR POS. GOVERNOR DEVIATION COLD
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
TC-45A. 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-45A ON THE
3500 RPM SEVERALNEXT PAGE.
TIMES.
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
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
169
ProCarManuals.com

TEST TC-45ACONTINUED - REPAIRING - FUEL QUANTITY ACTUATOR POS. GOVERNOR
DEVIATION COLD
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
CHECK FOR RECENT
TEST TC-45A 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.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
171
ProCarManuals.com

TEST TC-46AREPAIRING - FUEL QUANTITY ACTUATOR POS. GOVERNOR DEVIATION WARM
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
TC-46A. 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-46A ON THE
3500 RPM SEVERALNEXT PAGE.
TIMES.
NO
AT THIS TIME, THE USING THE SCHEMATIC
CONDITION REQUIRED AS A GUIDE, INSPECTR 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
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
173
ProCarManuals.com

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.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
175
ProCarManuals.com

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.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
179
ProCarManuals.com

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.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
183
ProCarManuals.com