2000 CHRYSLER CARAVAN Service Manual

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
FIG.1
FIG.2
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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-16AREPAIRING - TURBOCHARGER BOOST SENSOR SIGNAL LOW EXCEEDED
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
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TEST TC-16AREPAIRING - TURBOCHARGER BOOST SENSOR SIGNAL LOW EXCEEDED
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TURN IGNITION ON. IS THE BOOST
START TEST WITH THE DRB, READ PRESSURE SENSOR YES CONTINUE TEST
TC-16A. THE BOOST PRESSURE VOLTAGE BELOW 0.2 TC-16A ON THE
SENSOR VOLTAGE. VOLT? NEXT PAGE.
NO
USE THE SCHEMATIC AS WAS THERE ANY REPAIR THE HARNESS
A GUIDE AND WIGGLE MONITOR THE DRB BOOST PRESSURE YES OR CONNECTOR THAT
BOOST PRESSURE DISPLAY. SENSOR VOLTAGE CAUSED THE VOLTAGE
SENSOR CONNECTOR & CHANGE? CHANGE.*
HARNESS. FIG.1
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.2 CONNECTORS.
NO
REFER TO GENERAL
INFORMATION 3.3.2
FOR ADDITIONAL TEST COMPLETE.*
INFORMATION ON
INTERMITTENT CODES.
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TEST TC-16ACONTINUED - REPAIRING - TURBOCHARGER BOOST SENSOR SIGNAL LOW
EXCEEDED
FIG.1
FIG.2
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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-17AREPAIRING - TURBOCHARGER BOOST SENSOR SUPPLY HIGH EXCEEDED
Perform TEST DTC Before Proceeding
FIG.1
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