2000 CHRYSLER CARAVAN key

TEST TC-3ACONTINUED - REPAIRING - A/C SYSTEM PRESSURE SIGNAL HIGH EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-3A
CONTINUED FROM DISCONNECT THE A/C
THE PREVIOUS PRESSURE SENSOR
PAGE.
KEY ON. USING A THE A/C PRESSURE REPAIR A/C
VOLTMETER MEASURE SENSOR SIGNAL IS THE VOLTAGE YES PRESSURE SENSOR
THE VOLTAGE CIRCUIT AND GROUND. ABOVE 5.0 VOLTS? SIGNAL SHORTED TO
BETWEEN... VOLTAGE.*
FIG.1
NO
KEY OFF. WITH AN OHMMETER, REPAIR THE SHORT
DISCONNECT THE ECM MEASURE BETWEEN A/C IS THE RESISTANCE YES BETWEEN THE A/C
HARNESS SENSOR SIGNAL CKT BELOW 5.0 OHMS? PRESSURE SENSOR
CONNECTORS.** AND 5-VOLT REF CKT. SIGNAL CKT AND THE
FIG.1 5-VOLT SUPPLY CKT.*
NO
RECONNECT THE ECM
HARNESS TURN IGNITION ON.
CONNECTORS.
CONNECT A JUMPER
WIRE BETWEEN THE A/C WITH THE DRB, READ IS THE VOLTAGE YES REPLACE THE A/C
PRESSURE SENSOR THE A/C OUTPUT BELOW 1.0 VOLT? PRESSURE SENSOR.*
SIGNAL AND SENSOR VOLTAGE.
GROUND CKTS. FIG.1
NO
MOVE THE JUMPER
WIRE FROM A/C READ THE A/C IS THE VOLTAGE YES REPAIR THE OPEN
PRESSURE SENSOR OUTPUT VOLTAGE. BELOW 1.0 VOLT? SENSOR GROUND
GROUND TO ENGINE CIRCUIT.*
GROUND.
NO
REPLACE THE ENGINE
CONTROL MODULE.* TURN IGNITION OFF.
HARNESS
CONNECTOR.**
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TEST TC-5ACONTINUED - REPAIRING - A/C SYSTEM PRESSURE SUPPLY HIGH EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-5A TURN IGNITION OFF.
CONTINUED FROM DISCONNECT THE A/C
THE PREVIOUS PRESSURE SENSOR
PAGE. HARNESS
CONNECTOR.**
DISCONNECT THE ECM REMOVE THE DIESEL
HARNESS POWER RELAY.**
CONNECTORS.**
WITH A JUMPER WIRE, KEY ON.
CONNECT DIESEL POWER
RELAY CONN. CAVITIES USE A VOLTMETER IN
30 AND 87 (IN PDC). THE FOLLOWING
FIG.1 STEP.
MEASURE THE A/C REPAIR THE A/C
PRESSURE SENSOR IS THE VOLTAGE YES PRESSURE SENSOR
SUPPLY CIRCUIT. ABOVE 1.0 VOLT? SUPPLY CIRCUIT FOR
A SHORT TO
FIG.2 VOLTAGE.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-6ACONTINUED - REPAIRING - A/C SYSTEM PRESSURE SUPPLY LOW EXCEEDED
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-6A KEY OFF.
CONTINUED FROM DISCONNECT THE A/C
THE PREVIOUS PRESSURE SENSOR
PAGE. HARNESS
CONNECTOR.**
WITH THE DRB, IS THE A/C
MONITOR THE A/C PRESSURE SUPPLY YES REPLACE THE A/C
TURN IGNITION ON. PRESSURE SENSOR VOLTAGE ABOVE 4.0 PRESSURE SENSOR.*
SUPPLY VOLTAGE. VOLTS?
NO
KEY OFF.
DISCONNECT THE ECM USE AN OHMMETER IN
HARNESS THE FOLLOWING
CONNECTORS.** STEPS.
MEASURE THE A/C REPAIR THE A/C
PRESSURE SENSOR IS THE RESISTANCE YES PRESSURE SENSOR
5-VOLT SUPPLY BELOW 5.0 OHMS? SUPPLY CIRCUIT FOR
CIRCUIT TO GROUND. A SHORT TO
FIG.1 GROUND.*
NO
MEASURE THE A/C REPAIR THE A/C
PRESSURE SENSOR IS THE RESISTANCE YES PRESSURE SENSOR
5-VOLT SUPPLY CKT BELOW 5.0 OHMS? SUPPLY CIRCUIT FOR
TO SENSOR GROUND. A SHORT TO SENSOR
FIG.1 GROUND.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-7AREPAIRING - ACCELERATOR PEDAL SENSOR TROUBLE CODES
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY OFF. CONNECT ONE END OF A
START TEST JUMPER WIRE TO ACCEL
TC-7A. DISCONNECT THE ACCEL PEDAL SENSOR HARNESS
PEDAL SENSOR HARNESS CONN CAVITY 3.
CONNECTOR.** FIG.1
KEY ON. USING THE THE JUMPER WIRE TO DOES THE DRB CHANGE
DRB, READ THE ACCEL PEDAL SENSOR BETWEEN "IDLE" TO NO PERFORM TEST
"LOW IDLE SWITCH" HARNESS CONNECTOR "ABOVE IDLE" TC-7B.
INPUT WHILE TAPPING CAVITY 5. WHEN TAPPING THE
THE OTHER END OF... FIG.1 JUMPER WIRE.
YES
REMOVE JUMPER WIRE. MEASURE BETWEEN
GROUND AND THE IS THE VOLTAGE NO PERFORM TEST
USE A VOLTMETER IN 5-VOLT SUPPLY CKT. BETWEEN TC-7C.
THE FOLLOWING STEPS. 4.7 AND 5.3 VOLTS?
FIG.1
YES
MEASURE BETWEEN REPAIR THE SENSOR
SENSOR GROUND IS THE VOLTAGE NO GROUND CIRCUIT FOR
(CAV 8) AND 5-VOLT BETWEEN AN OPEN.
SUPPLY CKT. 4.7 AND 5.3 VOLTS? IF OK, REPLACE THE
FIG.1 ECM.*
YES
MEASURE BETWEEN REPAIR THE SIGNAL
GROUND AND THE IS THE VOLTAGE NO CIRCUIT FOR A
ACCEL PEDAL SENSOR BELOW 0.5 VOLT? SHORT TO VOLTAGE.
SIGNAL CKT. IF OK, REPLACE THE
FIG.1 ECM.*
YES
CONNECT A JUMPER REPAIR THE OPEN
WIRE BETWEEN THE USING THE DRB, IS THE VOLTAGE NO ACCEL PEDAL SENSOR
5-VOLT SUPPLY CKT READ THE ABOVE 4.5 VOLTS? SIGNAL CIRCUIT.
AND ACCEL PEDAL "ACCEL PEDAL VOLTS". IF OK,
SENSOR CKT. FIG.1REPLACE THE ECM.
YES
REMOVE JUMPER KEY ON. WITH THE IS THE VOLTAGE
WIRE. KEY OFF. ACCEL PEDAL AT REST BETWEEN NO REPLACE THE
RECONNECT THE (IDLE), USE THE DRB 0.28 AND 0.38 ACCELERATOR PEDAL
ACCEL PEDAL SENSOR AND READ THE ACCEL VOLTS? POSITION SENSOR.*
HARNESS CONNECTOR. PEDAL SENSOR VOLTS.
YES
CONTINUE TEST
TC-7A ON THE
NEXT PAGE.
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TEST TC-7ACONTINUED - REPAIRING - ACCELERATOR PEDAL SENSOR TROUBLE CODES
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-7A FULLY DPRESS THE
CONTINUED FROM THROTTLE. IS THE VOLTAGE NO REPLACE THE
THE PREVIOUS BETWEEN ACCELERATOR PEDAL
PAGE. WITH THE DRB, READ 4.1 AND 4.6 VOLTS? POSITION SENSOR.*
ACCEL PEDAL VOLTS.
YES
USING AN ANALOG SLOWLY DEPRESS AND
VOLTMETER, BACKPROBE RELEASE THE
ACCEL PEDAL SENSOR ACCELERATOR PEDAL
HARNESS CONN SEVERAL TIMES WHILE
CAVITY 7. FIG.1 OBSERVING THE METER.
NOTE: THE WITHOUT ANY SHARP DOES VOLTAGE
VOLTMETER NEEDLE INCREASE OR INCREASE AND NO REPLACE THE
SHOULD RESPOND DECREASE IN DECREASE SMOOTHLY ACCELERATOR PEDAL
SMOOTHLY TO ACCEL VOLTAGE. WITH ACCEL PEDAL POSITION SENSOR.*
PEDAL TRAVEL... TRAVEL?
YES
USING THE DRB WITH THE ACCEL PEDAL
CUSTOM DISPLAY, AND THE LOW IDLE AT FULL REST (IDLE) THE ACCEL PEDAL %
OBSERVE THE ACCEL SWITCH INPUT. SLOWLY DEPRESS THE AND THE LOW IDLE
PEDAL SENSOR ACCEL PEDAL WHILE SWITCH INPUT.
PERCENTAGE (%)... OBSERVING...
NOTE: THE LOW IDLE DID LOW IDLE
SWITCH INPUT BETWEEN 8% AND 21% SWITCH INPUT NO REPLACE THE
SHOULD SWITCH FROM OF ACCEL PEDAL CHANGE BETWEEN 8% ACCELERATORE PEDAL
"IDLE" TO POSITION TRAVEL. AND 21% OF ACCEL POSITION SENSOR
"ABOVE IDLE"... PEDAL TRAVEL?
YES
KEY OFF. INSPECT CONNECTOR
DISCONNECT ACCEL FOR DAMAGE, WERE ANY OF THESE YES REPAIR AS
PEDAL SENSOR AND CORROSION, CONDITIONS NECESSARY.*
ECM HARNESS TERMINAL PUSH-OUT PRESENT?
CONNECTORS. OR OTHER PROBLEMS.
NO
RECONNECT ALL WIGGLE THE WIRING REPAIR AS
CONNECTORS. AND CONNECTORS DOES THE DRB YES NECESSARY WHERE
KEY ON. ASSOCIATED WITH THE DISPLAY THIS CODE? WIGGLING CAUSED
USING THE DRB, CLEAR ACCEL PEDAL SENSOR. TROUBLE CODE TO
TROUBLE CODES. CHECK TROUBLE CODES. SET.
NO
CONTINUE TEST
TC-7A ON THE
NEXT PAGE.
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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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