2000 CHRYSLER CARAVAN check engine

TEST TC-7BREPAIRING - ACCELERATOR PEDAL SENSOR TROUBLE CODES
Perform TEST TC-7A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
WITH JUMPER STILL DOES THE DRB DISPLAY REPAIR THE OPEN
START TEST CONNECTED TO CAVITY CHANGE BETWEEN YES SENSOR GROUND.
TC-7B. 5, TAP THE OTHER END "IDLE" TO "ABOVE IF OK,
OF THE JUMPER TO IDLE" WHEN TAPPING REPLACE THE ECM*
CHASSIS GROUND. THE JUMPER WIRE?
NO
USING A VOLTMETER, REPAIR THE LOW
MEASURE THE LOW IS THE VOLTAGE YES IDLE POSITION
IDLE POSITION ABOVE 5.5 VOLTS? SENSE CIRCUIT FOR
SENSE CKT. A SHORT TO
FIG.1 VOLTAGE.*
NO
TURN IGNITION OFF. USING AN OHMMETER, REPAIR THE LOW
MEASURE BETWEEN IS THE RESISTANCE YES IDLE POSITION
DISCONNECT THE ECM GROUND AND THE LOW BELOW 5.0 OHMS? SENSE CIRCUIT FOR
HARNESS IDLE POSITION A SHORT TO
CONNECTORS.** SENSE CKT. FIG.1 GROUND.*
NO
USING AN OHMMETER,
MEASURE THE LOW IS THE RESISTANCE NO REPAIR THE OPEN
IDLE POSITION BELOW 5.0 OHMS? LOW IDLE POSITION
SENSE CKT. SENSE CIRCUIT.*
FIG.2
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-7CREPAIRING - ACCELERATOR PEDAL SENSOR TROUBLE CODES
Perform TEST TC-7A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST DISCONNECT THE ECM
TC-7C. TURN IGNITION OFF. HARNESS
CONNECTORS.**
MEASURE BETWEEN REPAIR THE 5-VOLT
USE AN OHMMETER IN GROUND AND THE IS THE RESISTANCE YES SUPPLY CIRCUIT FOR
THE FOLLOWING 5-VOLT SUPPLY CKT. BELOW 5.0 OHMS? A SHORT TO
STEPS. GROUND.*
FIG.1
NO
EACH GROUND CIRCUIT REPAIR THE 5-VOLT
MEASURE BETWEEN AT ACCEL PEDAL IS THE RESISTANCE YES SUPPLY CIRCUIT FOR
THE 5-VOLT SUPPLY SENSOR HARNESS CONN BELOW 5.0 OHMS? A SHORT TO SENSOR
CIRCUIT AND... CAVITIES 3 AND 8. GROUND.*
FIG.1
NO
WITH A JUMPER WIRE,
REMOVE THE DIESEL CONNECT DIESEL POWER
POWER RELAY.** RELAY CONN. CAVITIES
30 AND 87 (IN PDC).
FIG.2
USING A VOLTMETER, REPAIR THE 5-VOLT
MEASURE THE 5-VOLT IS THE VOLTAGE YES SUPPLY CIRCUIT FOR
TURN IGNITION ON. SUPPLY CKT. ABOVE 1.0 VOLT? A SHORT TO
VOLTAGE.*
FIG.1
NO
USING AN OHMMETER,
MEASURE THE IS THE RESISTANCE NO REPAIR THE OPEN
TURN IGNITION OFF. RESISTANCE OF THE BELOW 5.0 OHMS? 5-VOLT SUPPLY
5-VOLT SUPPLY CKT. CIRCUIT.*
FIG.3
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-14AREPAIRING - BATTERY VOLTAGE SRC HIGH EXCEEDED
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
INCREASE ENGINE REPAIR CHARGING
START TEST SPEED TO 2000 RPM. IS THE VOLTAGE YES SYSTEM FOR
TC-14A. MEASURE THE ABOVE 17.0 VOLTS? OVERCHARGING
VOLTAGE AT THE CONDITION.*
BATTERY.
NO
NOTE: PERFORM THE USE THE SCHEMATIC AS REPAIR CHARGING
FOLLOWING STEP A GUIDE AND WIGGLE IS THE VOLTAGE YES SYSTEM FOR
WITH THE ENGINE THE ALTERNATOR ABOVE 17.0 VOLTS? OVERCHARGING
SPEED AT 2000 RPM. CONNECTOR & HARNESS. CONDITION.*
NO
USING THE DRB,
ERASE CODES. RUN USING THE DRB, DOES THE DRB YES REPLACE THE ENGINE
THE ENGINE AT IDLE READ CODES. DISPLAY "BATTERY CONTROL MODULE.*
AND 2500 RPM FOR VOLTAGE HIGH"?
SEVERAL MINUTES.
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.
NO
REFER TO GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-15ACONTINUED - REPAIRING - TURBOCHARGER BOOST SENSOR SIGNAL HIGH
EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-15A
CONTINUED FROM DISCONNECT THE
THE PREVIOUS PRESSURE
PAGE. SENSOR
KEY ON. USING A THE BOOST PRESSURE
VOLTMETER, MEASURE SENSOR 5-VOLT IS THE VOLTAGE NO CONTINUE TEST
THE VOLTAGE SUPPLY CIRCUIT AND ABOVE 5.2 VOLTS? TC-15A ON THE
BETWEEN... GROUND. NEXT PAGE.
FIG.1
YES
KEY OFF.
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.1 STEP.
MEASURE THE 5-VOLT
SUPPLY CKT AT THE IS THE VOLTAGE YES REPAIR THE 5-VOLT
BOOST PRESSURE ABOVE 1.0 VOLT? SUPPLY CKT FOR A
SENSOR HARNESS SHORT TO VOLTAGE.*
CONNECTOR. FIG.2
NO
REPLACE THE ENGINE
CONTROL MODULE.* TURN IGNITION OFF.
BOOST
HARNESS
CONNECTOR.**
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TEST TC-15ACONTINUED - REPAIRING - TURBOCHARGER BOOST SENSOR SIGNAL HIGH
EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-15A
CONTINUED FROM IS THE VOLTAGE NO CONTINUE TEST
THE PREVIOUS ABOVE 1.0 VOLT? TC-15A ON THE
PAGE.NEXT PAGE.
YES
KEY OFF.
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.1 STEP.
MEASURE THE BOOST REPAIR THE BOOST
PRESSURE SENSOR IS THE VOLTAGE YES PRESSURE SENSOR
SIGNAL CIRCUIT. ABOVE 1.0 VOLT? SIGNAL CIRCUIT FOR
A SHORT TO
FIG.2 VOLTAGE.
NO
REPLACE THE ENGINE
CONTROL MODULE.* WITH A VOLTMETER,
MEASURE THE BOOST
PRESSURE SENSOR
SIGNAL CKT.
FIG.1
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TEST TC-15ACONTINUED - REPAIRING - TURBOCHARGER BOOST SENSOR SIGNAL HIGH
EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-15A KEY OFF.
CONTINUED FROM
THE PREVIOUS DISCONNECT THE ECM
PAGE. HARNESS
CONNECTORS.**
USING AN OHMMETER,
MEASURE THE IS THE RESISTANCE NO REPAIR THE OPEN
RESISTANCE OF THE BELOW 5.0? SENSOR GROUND
SENSOR GROUND CKT. CIRUIT.*
FIG.1
YES
KEY ON. USING A
RECONNECT ALL VOLTMETER, BACKPROBE IS THE VOLTAGE YES REPLACE THE BOOST
CONNECTORS. ECM HARNESS ABOVE 4.5 VOLTS? PRESSURE SENSOR.*
CONNECTOR CAVITY 40.
FIG.2
NO
WITH THE DRB, READ DOES THE DRB YES REPLACE THE ENGINE
CODES. DISPLAY THIS CODE. CONTROL MODULE.*
NO
TEST COMPLETE.*
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TEST TC-16ACONTINUED - REPAIRING - TURBOCHARGER BOOST SENSOR SIGNAL LOW
EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-16A KEY OFF.
CONTINUED FROM DISCONNECT THE
THE PREVIOUS BOOST PRESSURE
PAGE. SENSOR HARNESS
CONNECTOR.**
USING A VOLTMETER, REPAIR THE 5-VOLT
MEASURE THE 5-VOLT IS THE VOLTAGE NO SUPPLY CIRCUIT FOR
TURN IGNITION ON. SUPPLY CIRCUIT. ABOVE 4.9 VOLTS? AN OPEN OR SHORT
TO GROUND.*
FIG.1
YES
CONNECT A JUMPER READ THE BOOST IS THE BOOST
BETWEEN THE BOOST PRESSURE SENSOR PRESSURE SENSOR YES REPLACE THE BOOST
PRESSURE SENSOR VOLTAGE ON THE VOLTAGE ABOVE 4.5 PRESSURE SENSOR.*
SIGNAL CKT. AND THE DRB. VOLTS?
5-VOLT CKT. FIG.1
NO
TURN IGNITION OFF. USING AN OHMMETER, REPAIR THE BOOST
DISCONNECT THE ECM MEASURE THE BOOST IS THE RESISTANCE YES PRESSURE SENSOR
HARNESS PRESSURE SENSOR BELOW 5.0 OHMS? SIGNAL CIRCUIT FOR
CONNECTORS.** SIGNAL CKT TO GND. A SHORT TO
FIG.1 GROUND.*
NO
USE AN OHMMETER IN SENSOR SIGNAL REPAIR THE SENSOR
THE FOLLOWING STEP. CIRCUIT AND THE IS THE RESISTANCE YES SIGNAL CIRCUIT
TEST THE RESISTANCE SENSOR GROUND BELOW 5.0 OHMS? SHORTED TO THE
BETWEEN THE BOOST CIRCUIT. SENSOR GROUND
PRESSURE... FIG.1 CIRCUIT.*
NO
USING AN OHMMETER,
MEASURE THE BOOST IS THE RESISTANCE YES REPLACE THE ENGINE
PRESSURE SENSOR BELOW 5.0 OHMS? CONTROL MODULE.*
SIGNAL CIRCUIT.
FIG.2
NO
REPAIR THE OPEN
BOOST PRESSURE
SENSOR SIGNAL
CIRCUIT.*
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TEST TC-17ACONTINUED - REPAIRING - TURBOCHARGER BOOST SENSOR SUPPLY HIGH
EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-17A TURN IGNITION OFF.
CONTINUED FROM DISCONNECT THE
THE PREVIOUS BOOST PRESSURE
PAGE. SENSOR HARNESS
CONNECTOR.**
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.1 STEP.
MEASURE THE BOOST REPAIR THE BOOST
PRESSURE SENSOR IS THE VOLTAGE YES PRESSURE SENSOR
5-VOLT SUPPLY ABOVE 1.0 VOLT? SUPPLY CIRCUIT FOR
CIRCUIT. A SHORT TO
FIG.2 VOLTAGE.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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