2000 CHRYSLER CARAVAN sensor

TEST TC-56AREPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR DYNAMIC PLAUSIBILITY
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
200
ProCarManuals.com

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.
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
201
ProCarManuals.com

TEST TC-56ACONTINUED - REPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR DYNAMIC
PLAUSIBILITY
FIG.1
FIG.2
FIG.3
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
202
ProCarManuals.com

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.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
203
ProCarManuals.com

TEST TC-57AREPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR OVERSPEED RECOGNITION
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
204
ProCarManuals.com

TEST TC-57AREPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR OVERSPEED RECOGNITION
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST USING THE DRB,
TC-57A. 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-57A 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 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
205
ProCarManuals.com

TEST TC-57ACONTINUED - REPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR OVERSPEED
RECOGNITION
FIG.1
FIG.2
FIG.3
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
206
ProCarManuals.com

TEST TC-57ACONTINUED - REPAIRING - INDUCTIVE AUXILIARY SPEED SENSOR OVERSPEED
RECOGNITION
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TURN IGNITION OFF.
TEST TC-57A DISCONNECT THE
CONTINUED FROM NEEDLE MOVEMENT
PREVIOUS PAGE. SENSOR HARNESS
CONNECTOR.**
INSPECT THE NEEDLE THE SENSOR HARNESS IS THERE ANY
MOVEMENT SENSOR AND ENGINE DAMAGE OR YES REPAIR AS
CONNECTOR HARNESS. 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
REPLACE THE NEEDLE START AND OPERATE
MOVEMENT SENSOR. THE ENGINE FROM DOES THIS CODE YES REPLACE THE ENGINE
RECONNECT ALL IDLE TO 3500 RPM RESET? CONTROL MODULE.*
CONNECTORS. KEY WHILE MONITORING
ON. ERASE CODES. THE DRB.
NO
TEST COMPLETE.*
T
R
O
U
B
L
E
C
O
D
E
T
E
S
T
S
207
ProCarManuals.com