CHRYSLER CARAVAN 2000 Service Manual

TEST TC-41ACONTINUED - REPAIRING - FAN CONTROL SHORT CIRCUIT FAN 1
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-41A
CONTINUED FROM REMOVE RADIATOR
THE PREVIOUS FAN RELAY #2.**
PAGE.
USING AN OHMETER, 85 AND 86 IS THE RESISTANCE
MEASURE RESISTANCE 85 AND 30 BELOW 30.0 OHMS YES REPLACE RADIATOR
BETWEEN RADIATOR 85 AND 87. FOR ANY OF THE FAN RELAY #2.*
FAN #2 RELAY MEASUREMENTS?
TERMINALS... FIG.1
NO
TURN IGNITION OFF.
DISCONNECT THE ECM REMOVE DIESEL
HARNESS POWER RELAY.**
CONNECTORS.**
WITH A JUMPER WIRE,
CONNECT DIESEL POWER
RELAY CONN. CAVITIES TURN IGNITION ON.
30 AND 87 (IN PDC).
FIG.2
MEASURE THE RELAY REPAIR RADIATOR
USE A VOLTMETER IN CONTROL CIRCUIT AT IS THE VOLTAGE YES FAN RELAY #2
THE FOLLOWING ECM HARNESS ABOVE 1.0 VOLT? CONTROL CIRCUIT
STEP. CONNECTOR CAVITY 17. FOR SHORT TO
FIG. 3 VOLTAGE.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
155
ProCarManuals.com

TEST TC-42AREPAIRING - FAN CONTROL SHORT CIRCUIT FAN 2
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
156
ProCarManuals.com

TEST TC-42AREPAIRING - FAN CONTROL SHORT CIRCUIT FAN 2
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY ON. ARE THE RADIATOR
START TEST WITH THE DRB, FAN RELAYS #1 AND NO CONTINUE TEST
TC-42A. ACTUATE THE HIGH #3 CLICKING ON AND TC-42A ON THE
SPEED RADIATOR OFF? NEXT PAGE.
FAN.
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 REPAIR AS
HARNESS FROM THE NOTE: THE DRB MUST DID THE WIGGLING YES NECESSARY WHERE
RELAYS TO THE STILL BE ACTUATING INTERRUPT FAN WIGGLING CAUSED
ENGINE CONTROL THE FAN RELAY. RELAY CLICKING? RELAY CLICKING TO
MODULE.BE INTERRUPTED.*
NO
REFER TO GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETED.*
INFORMATION ON
INTERMITTENT CODES.
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
157
ProCarManuals.com

TEST TC-42ACONTINUED - REPAIRING - FAN CONTROL SHORT CIRCUIT FAN 2
FIG.1
FIG.2
FIG.3
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
158
ProCarManuals.com

TEST TC-42ACONTINUED - REPAIRING - FAN CONTROL SHORT CIRCUIT FAN 2
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-42A
CONTINUED FROM REMOVE RADIATOR
THE PREVIOUS FAN RELAYS
PAGE. #1 AND #3.**
USING AN OHMETER, 85 AND 86, 85 AND IS THE RESISTANCE
MEASURE RESISTANCE 30, 85 AND 87. BELOW 30.0 OHMS YES REPLACE SHORTED
BETWEEN RADIATOR REPEAT MEASUREMENTS FOR ANY OF THE RADIATOR FAN
FAN #1 RELAY ON RADIATOR FAN MEASUREMENTS? RELAY.*
TERMINALS... RELAY #3. FIG.1
NO
TURN IGNITION OFF.
DISCONNECT THE ECM REMOVE THE DIESEL
HARNESS POWER RELAY.**
CONNECTORS.**
WITH A JUMPER WIRE,
CONNECT DIESEL POWER
RELAY CONN. CAVITIES TURN IGNITION ON.
30 AND 87 (IN PDC).
FIG.2
MEASURE THE RELAY REPAIR RADIATOR
USE A VOLTMETER IN CONTROL CIRCUIT AT IS THE VOLTAGE YES FAN RELAY #1 AND
THE FOLLOWING ECM HARNESS ABOVE 1.0 VOLT? #3 CONTROL CIRCUIT
STEP. CONNECTOR CAVITY 41. FOR A SHORT TO
FIG.3 VOLTAGE.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
159
ProCarManuals.com

TEST TC-43AREPAIRING - FUEL QUANTITY ACTUATOR NEG. GOVERNOR DEVIATION COLD
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
160
ProCarManuals.com

TEST TC-43AREPAIRING - FUEL QUANTITY ACTUATOR NEG. 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-43A. ERASE CODES.
TURN IGNITION OFF. DOES THE DRB
WAIT 10 SECONDS. WITH THE DRB, READ DISPLAY "FUEL YES CONTINUE TEST
ATTEMPT TO START CODES. QUANTITY ACTUATOR TC-43A ON THE
AND IDLE THE NEG. DEVIATION NEXT PAGE.
ENGINE. COLD"?
NO
USING THE SCHEMATIC, DOES THE DRB REPAIR THE HARNESS
WIGGLE THE FUEL DISPLAY "FUEL YES OR CONNECTOR THAT
INJECTION PUMP QUANTITY ACTUATOR CAUSED THE TROUBLE
CONNECTOR & HARNESS. NEG. DEVIATION CODE TO SET.*
FIG.1 COLD"?
NO
AT THIS TIME, THE USING A SCHEMATIC
CONDITION REQUIRED AS A GUIDE, WERE ANY PROBLEMS YES REPAIR AS
TO SET THE CODE IS INSPECT THE WIRING FOUND? NECESSARY.*
NOT PRESENT. AND CONNECTORS.
FIG.2
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
161
ProCarManuals.com

TEST TC-43ACONTINUED - REPAIRING - FUEL QUANTITY ACTUATOR NEG. GOVERNOR
DEVIATION COLD
FIG.1
FIG.2
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
162
ProCarManuals.com

TEST TC-43ACONTINUED - REPAIRING - FUEL QUANTITY ACTUATOR NEG. GOVERNOR
DEVIATION COLD
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TURN IGNITION OFF.
TEST TC-43A DISCONNECT THE
CONTINUED FROM FUEL INJECTION
PREVIOUS PAGE. PUMP CONNECTOR.**
USING AN OHMMETER CONNECTOR TO
MEASURE CAVITY 8 GROUND ON THE FUEL IS THE RESISTANCE YES REPLACE THE FUEL
OF THE FUEL PUMP INJECTION PUMP, BELOW 5.0 OHMS? INJECTION PUMP
ASSEMBLY... HARNESS SIDE. ASSEMBLY.*
FIG.1
NO
USING AN OHMMETER IS THE RESISTANCE REPAIR THE SHORT
DISCONNECT THE ECM MEASURE THE BELOW 10.0 FOR ANY YES TO GROUND ON THE
HARNESS RESISTANCE TO GROUND OF THE MEASUREMENTS? FUEL QUANTITY
CONNECTORS.** AT ECM CAVITIES 59, 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
163
ProCarManuals.com

TEST TC-44AREPAIRING - FUEL QUANTITY ACTUATOR NEG. GOVERNOR DEVIATION WARM
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
164
ProCarManuals.com