2000 CHRYSLER CARAVAN relay

TEST TC-74ACONTINUED - REPAIRING - EMERGENCY STOP PLAUSIBILITY IN AFTER-RUN
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-74A KEY OFF.
CONTINUED FROM DISCONNECT THE REMOVE THE DIESEL
THE PREVIOUS FUEL PUMP AND ECM POWER RELAY.**
PAGE. HARNESS
CONNECTORS.**
WITH A JUMPER WIRE, KEY ON. USING A REPAIR THE FUEL
CONNECT DIESEL POWER VOLTMETER, MEASURE IS THE VOLTAGE YES SHUTDOWN SOLENOID
RELAY CONN. CAVITIES THE FUEL SHUTDOWN ABOVE 1.0 VOLT? CONTROL CIRCUIT
30 AND 87 (IN PDC). SOL CONTROL CKT. FOR A SHORT TO
FIG.1 FIG.2 VOLTAGE.*
NO
RECONNECT THE
ENGINE CONTROL KEY ON. USING DRB
MODULE HARNESS ACTUATE THE "FUEL
CONNECTORS. SHUT-OFF SOL."
WITH THE DRB FUEL PUMP HARNESS DOES VOLTMETER
ACTUATING THE CONNECTOR CAVITY 6. CHANGE FROM YES REPLACE FUEL PUMP
SOLENOID, USE A BATTERY VOLTAGE TO ASSEMBLY.*
VOLTMETER TO BELOW 1.0 VOLT?
PROBE... FIG.2
NO
NOTE: BEFORE
REPLACING ECM, DID THE FUEL YES REPLACE THE ENGINE
PERFORM TEST NTC-3A INJECTION PUMP CONTROL MODULE.*
TO CHECK INTERNAL PASS TEST NTC-3A?
FUEL PUMP CIRCUITRY.
NO
REPLACE THE FUEL
INJECTION PUMP
ASSEMBLY.*
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TEST TC-76AREPAIRING - SMART START RELAY SHORT CIRCUIT
Perform TEST DTC Before Proceeding
FIG.1
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TEST TC-76AREPAIRING - SMART START RELAY SHORT CIRCUIT
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
REPLACE THE
START TEST STARTER RELAY WITH
TC-76A. A KNOWN GOOD
RELAY.
FIG.1
FULLY DEPRESS THE
CLUTCH PEDAL AND DOES THE ENGINE YES REPLACE THE
ATTEMPT TO CRANK CRANK? INITIAL STARTER
THE ENGINE RELAY.
NO
KEY OFF.
REMOVE THE STARTER REMOVE THE DIESEL
DISCONNECT THE ECM RELAY.** POWER RELAY.**
HARNESS
CONNECTORS.**
WITH A JUMPER WIRE, KEY ON. USING A REPAIR THE STARTER
CONNECT DIESEL POWER TEST LIGHT, PROBE IS THE TEST LIGHT YES RELAY CONTROL
RELAY CONN. CAVITIES THE STARTER RELAY ON? CIRCUIT FOR A
30 AND 87 (IN PDC). CONTROL CIRCUIT. SHORT TO VOLTAGE.*
FIG.1 FIG.1
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-79ACONTINUED - REPAIRING - SOLENOID VALVE CONTROLLER OPEN CIRCUIT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-79A KEY OFF.
CONTINUED FROM DISCONNECT THE
THE PREVIOUS FUEL PUMP ASSEMBLY
PAGE. HARNESS
CONNECTOR.**
KEY ON. MEASURE FUEL
USE A VOLTMETER IN PUMP HARNESS IS THE VOLTAGE YES REPAIR THE OPEN
THE FOLLOWING CONNECTOR CAVITY 10. BELOW 10.5 VOLTS? DIESEL POWER RELAY
STEP.OUTPUT CIRCUIT*
FIG.1
NO
TURN IGNITION OFF. USING AN OHMMETER, REPAIR THE FUEL
DISCONNECT THE ECM MEASURE THE FUEL IS THE RESISTANCE YES TIMING SOLENOID
HARNESS TIMING SOLENOID BELOW 5.0 OHMS? CONTROL CIRCUIT
CONNECTORS.** CONTROL CIRCUIT TO FOR A SHORT TO
GROUND. FIG.1 GROUND.*
NO
MEASURE THE FUEL REPAIR THE OPEN
USE AN OHMMETER IN TIMING SOLENOID IS THE RESISTANCE YES FUEL TIMING
THE FOLLOWING CONTROL CKT BETWEEN ABOVE 5.0 OHMS? SOLENOID CONTROL
STEPS. THE ECM AND THE FUEL CIRCUIT.*
PUMP ASSEMBLY. FIG.2
NO
MEASURE THE PUMP CONNECTOR (PUMP
RESISTANCE OF THE SIDE) BETWEEN IS THE RESISTANCE NO REPLACE THE FUEL
FUEL TIMING CAVITIES 5 AND 10. BETWEEN 12.0 AND INJECTION PUMP
SOLENOID AT THE 20.0 OHMS? ASSEMBLY.*
INJECTION... FIG.3
YES
NOTE: BEFORE
REPLACING THE ECM, DID THE FUEL YES REPLACE THE ENGINE
PERFORM TEST NTC-3A INJECTION PUMP CONTROL MODULE.*
TO CHECK INTERNAL PASS TEST NTC-3A?
FUEL PUMP CIRCUITRY.
NO
REPLACE THE FUEL
INJECTION PUMP
ASSEMBLY.*
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TEST TC-80ACONTINUED - REPAIRING - SOLENOID VALVE CONTROLLER SHORT CIRCUIT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
KEY OFF. KEY ON. ERASE CODES.
TEST TC-80A DISCONNECT THE DOES THE DRB DISPLAY YES REPLACE THE FUEL
CONTINUED FROM FUEL PUMP ASSEMBLY "FUEL TIMING PUMP ASSEMBLY.*
PREVIOUS PAGE. CONNECTOR.** SOLENOID CONTROLLER
OPEN CIRCUIT"?
NO
KEY OFF.
DISCONNECT THE ECM REMOVE THE DIESEL
HARNESS POWER RELAY.
CONNECTORS.**
WITH A JUMPER WIRE, KEY ON. USING A REPAIR THE FUEL
CONNECT DIESEL POWER VOLTMETER MEASURE IS THE VOLTAGE YES TIMING SOLENOID
RELAY CONN. CAVITIES THE FUEL TIMING ABOVE 1.0 VOLTS? CONTROL CIRCUIT
30 AND 87 (IN PDC). SOLENOID CONTROL FOR A SHORT TO
FIG.1 CKT. FIG.2 VOLTAGE.*
NO
NOTE: BEFORE
REPLACING THE ECM, DID THE FUEL YES REPLACE THE ENGINE
PERFORM TEST NTC-3A INJECTION PUMP CONTROL MODULE.*
TO CHECK INTERNAL PASS TEST NTC-3A?
FUEL PUMP CIRCUITRY.
NO
REPLACE THE FUEL
INJECTION PUMP
ASSEMBLY.*
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TEST TC-84ACONTINUED - REPAIRING - TERMINAL 15 PLAUSIBILITY AFTER START-UP
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-84A KEY OFF.
CONTINUED FROM DISCONNECT THE ECM
THE PREVIOUS HARNESS
PAGE. CONNECTORS.**
USING A VOLTMETER, NOTE: BE SURE TO IS THE VOLTAGE
MEASURE ALL ECM EXCLUDE CAVITIES ABOVE 2.0 VOLTS NO REPLACE THE ENGINE
HARNESS CONNECTOR 30,33,45 AND 51 FOR ANY OF THE CONTROL MODULE.*
CAVITIES EXCEPT FROM THIS STEP. MEASUREMENTS?
30,33,45 AND 51.
YES
IS VOLTAGE PRESENT REPAIR SHORT TO
AT ECM HARNESS NO VOLTAGE ON THE
CONNECTOR CAVITIES CIRCUIT THAT
2 OR 28? MEASURED ABOVE 2.0
VOLTS.*
YES
USING A VOLTMETER, REPAIR THE SHORT
REMOVE THE DIESEL MEASURE ECM HARNESS IS THE VOLTAGE YES TO VOLTAGE ON THE
POWER RELAY.** CONNECTOR CAVITY 2. ABOVE 2.0 VOLTS? DIESEL POWER RELAY
OUTPUT CKT.*
FIG.1
NO
TURN IGNITION OFF. THE DIESEL POWER REPAIR THE SHORT
USING AN OHMMETER, RELAY CONTROL CKT. IS THE RESISTANCE YES TO GROUND ON THE
MEASURE BETWEEN AT THE PDC. BELOW 5.0 OHMS? DIESEL POWER RELAY
GROUND AND... CONTROL CKT.*
FIG.2
NO
REPLACE THE DIESEL
POWER RELAY.*
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TEST TC-91ACONTINUED - REPAIRING - VEHICLE SPEED SENSOR TROUBLE CODES
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-91A KEY OFF.
CONTINUED FROM
THE PREVIOUS DISCONNECT THE BCM
PAGE. "B" HARNESS
CONNECTOR.**
USING A VOLTMETER,
MEASURE THE VSS IS THE VOLTAGE YES REPLACE THE BODY
TURN IGNITION ON. SIGNAL CKT. BELOW 5.0 VOLTS? CONTROL MODULE.*
FIG.1
NO
KEY OFF.
REMOVE THE DIESEL
DISCONNECT THE ECM POWER RELAY.*
HARNESS
CONNECTORS.* FIG.2
WITH A JUMPER WIRE, KEY ON. USING A REPAIR THE VSS
CONNECT DIESEL POWER VOLTMETER, MEASURE IS THE VOLTAGE NO SIGNAL CIRCUIT FOR
RELAY CONNECTOR THE VSS SIGNAL CKT. ABOVE 1.0 VOLT? A SHORT TO
CAVITIES 30 AND 87 VOLTAGE.*
(IN PDC). FIG.2 FIG.1
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-94ACONTINUED - REPAIRING - VEHICLE THEFT ALARM TROUBLE CODES
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-94A
CONTINUED FROM
THE PREVIOUS TURN IGNITION OFF.
PAGE.
DISCONNECT THE
DISCONNECT THE ECM BODY CONTROL
HARNESS MODULE HARNESS
CONNECTORS.** CONNECTORS.**
USING AN OHMMETER, BETWEEN THE BCM
MEASURE RESISTANCE AND THE ECM. IS THE RESISTANCE YES REPAIR THE OPEN
OF THE IMMOBILIZER ABOVE 5.0 OHMS? IMMOBILIZER SIGNAL
SIGNAL CIRCUIT... CIRCUIT.*
FIG.1
NO
ENGINE CONTROL REPAIR THE
MEASURE RESISTANCE MODULE HARNESS IS THE RESISTANCE YES IMMOBILIZER SIGNAL
BETWEEN THE ... CONNECTOR CAVITY BELOW 5.0 OHMS? CIRCUIT FOR A
38 AND GROUND. SHORT TO GROUND.*
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
MEASURE ECM IS THE VOLTAGE YES IMMOBILIZER SIGNAL
TURN IGNITION ON. HARNESS CONNECTOR ABOVE 1.0 VOLT? CIRCUIT FOR A
CAVITY 38. SHORT TO VOLTAGE.*
FIG.1
NO
CONTINUE TEST
TC-94A ON THE
NEXT PAGE.
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