CHRYSLER CARAVAN 2000 Owners Manual

TEST TC-19ACONTINUED - REPAIRING - TURBOCHARGER BOOST SENSOR PLAUSIBILITY
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-19
CONTINUED FROM
THE PREVIOUS TURN IGNITION OFF.
PAGE.
DISCONNECT THE
DISCONNECT THE ECM BOOST PRESSURE
HARNESS SENSOR HARNESS
CONNECTORS.** CONNECTOR.**
MEASURE THE BOOST REPAIR THE BOOST
USE AN OHMMETER IN PRESSURE SENSOR IS THE RESISTANCE NO PRESSURE SENSOR
THE FOLLOWING SIGNAL CIRCUIT. BELOW 5.0 OHMS? SIGNAL CIRCUIT FOR
STEPS. HIGH RESISTANCE .*
FIG.1
YES
MEASURE THE BOOST REPAIR THE BOOST
PRESSURE SENSOR IS THE RESISTANCE NO PRESSURE SENSOR
GROUND CIRCUIT. BELOW 5.0 OHMS? GROUND CIRCUIT FOR
HIGH RESISTANCE.*
FIG.1
YES
MEASURE THE BOOST REPAIR THE BOOST
PRESSURE SENSOR IS THE RESISTANCE NO PRESSURE SENSOR
5-VOLT SUPPLY BELOW 5.0 OHMS? 5-VOLT SUPPLY
CIRCUIT. CIRCUIT FOR HIGH
FIG.1 RESISTANCE.*
YES
REPLACE THE BOOST TEST DRIVE THE
PRESSURE SENSOR.* VEHICLE AND PERFORM DOES THE DRB YES REPLACE THE ENGINE
TURN IGNITION ON SEVERAL KEY CYCLES. DISPLAY THIS CODE? CONTROL MODULE.*
AND CLEAR CODES. USING THE DRB, READ
CODES.
NO
TEST COMPLETE.*
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TEST TC-20AREPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT CONTACT
Perform TEST DTC Before Proceeding
FIG.1
FIG.2
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TEST TC-20AREPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT CONTACT
Perform TEST DTC Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST
TC-20A. TURN IGNITION ON.
WITH THE DRB, WHILE OBSERVING
MONITOR PRIMARY THE DISPLAY, PRESS NO CONTINUE TEST
AND SECONDARY AND RELEASE THE TC-20A ON THE
BRAKE SWITCH BRAKE PEDAL NEXT PAGE.
INPUTS. SEVERAL TIMES.
YES
DOES THE DRB SHOW
SECONDARY BRAKE NO PERFORM TEST
LAMP SWITCH TC-20B.
"PRESSED" AND
"RELEASED"?
YES
THE CONDITION TO SET USING THE SCHEMATIC
THIS TROUBLE CODE IS AS A GUIDE, INSPECT WERE ANY PROBLEMS YES REPAIR AS
NOT PRESENT. THE WIRING AND FOUND? NECESSARY.*
CONNECTORS.
FIG.1 FIG.2
NO
WHILE MONITORING THE ENGINE CONTROL DID THE DRB REPAIR AS
DRB, WIGGLE THE MODULE. DISPLAY A CHANGE YES NECESSARY WHERE
WIRING HARNESS FROM IN THE PRIMARY OR THE WIGGLING
THE BRAKE LAMP SECONDARY SWITCH CAUSED THE SWITCH
SWITCH TO THE... FIG.2 STATE? STATUS TO CHANGE.*
NO
REFER TO GENERAL
INFORMATION 3.3.2 YES
FOR ADDITIONAL TEST COMPLETED.*
INFORMATION ON
INTERMITTENT CODES. DOES THE DRB SHOW
PRIMARY BRAKE LAMP
SWITCH "PRESSED"
AND "RELEASED"?
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TEST TC-20ACONTINUED - REPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT
CONTACT
FIG.1
FIG. 2
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TEST TC-20ACONTINUED - REPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT
CONTACT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-20A KEY OFF.
CONTINUED FROM DISCONNECT THE
THE PREVIOUS BRAKE LAMP SWITCH
PAGE. HARNESS
CONNECTOR.**
USING A VOLTMETER,
PROBE BRAKE SWITCH IS THE VOLTAGE NO REPAIR OPEN FUSED
HARNESS CONNECTOR ABOVE 9.0 VOLTS? BATTERY SUPPLY
CAVITY 6. CIRCUIT.*
FIG.1
YES
CONNECT A JUMPER
WIRE ACROSS THE DID THE DRB CHANGE YES ADJUST OR REPLACE
BRAKE LAMP FROM "RELEASED" TO THE BRAKE LAMP
HARNESS CONNECTOR "PRESSED"? SWITCH.*
CAV 5 AND 6. FIG.1
NO
KEY ON. USING A AT THE BRAKE LAMP REPAIR THE PRIMARY
VOLTMETER, MEASURE SWITCH HARNESS IS THE VOLTAGE YES BRAKE LAMP SWITCH
THE PRIMARY SWITCH CONNECTOR CAVITY 5. ABOVE 1.0 VOLT? SIGNAL CIRCUIT FOR
SIGNAL VOLTAGE... A SHORT TO
FIG.1 VOLTAGE.*
NO
KEY OFF. USING AN OHMMETER, REPAIR THE OPEN
DISCONNECT THE ECM MEASURE RESISTANCE IS THE RESISTANCE NO PRIMARY BRAKE LAMP
HARNESS OF THE PRIMARY BRAKE BELOW 5.0 OHMS? SWITCH SIGNAL
CONNECTORS.** LAMP SWITCH SIGNAL CIRCUIT.*
CIRCUIT. FIG.2
YES
REPLACE THE ENGINE
CONTROL MODULE.* SW
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TEST TC-20BREPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT CONTACT
Perform TEST TC-20A Before Proceeding
FIG.1
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TEST TC-20BREPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT CONTACT
Perform TEST TC-20A Before Proceeding
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
START TEST
TC-20B. TURN IGNITION OFF.
DISCONNECT THE KEY ON. USING A
BRAKE LAMP SWITCH VOLTMETER, MEASURE IS THE VOLTAGE NO CONTINUE TEST
HARNESS HARNESS CONNECTOR ABOVE 9.0 VOLTS? TC-20B ON THE
CONNECTOR.** CAVITY 1. NEXT PAGE.
FIG.1
YES
CONNECT A FUSEDREPAIR THE
JUMPER WIRE (5 AMP),YES SECONDARY BRAKE SW
ACROSS BRAKE LAMP CHECK THE FUSE. DID FUSE OPEN? SENSE CIRCUIT FOR
SWITCH HARNESS CONN A SHORT TO
CAVITIES 1 AND 2. VOLTAGE.*
NO
DID THE DRB
DISPLAY CHANGE YES ADJUST OR REPLACE
FROM "PRESSED" TO THE BRAKE LAMP
"RELEASED"? SWITCH.*
NO
KEY OFF. BRAKE LAMP SWITCH REPAIR THE OPEN
USING AN OHMMETER, HARNESS CONNECTOR IS THE RESISTANCE NO SECONDARY BRAKE
MEASURE THE CAVITY 2 AND GROUND. BELOW 5.0 OHMS? LAMP SWITCH GROUND
RESISTANCE CIRCUIT.*
BETWEEN... FIG.1
YES
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-20BCONTINUED - REPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT
CONTACT
FIG.1
FIG. 2
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TEST TC-20BCONTINUED - REPAIRING - BRAKE SWITCH PLAUSIBILITY WITH REDUNDANT
CONTACT
*Perform Verification TEST VER-2A. **Check connectors - Clean / repair as necessary.
TEST TC-20B KEY OFF.
CONTINUED FROM DISCONNECT THE ECM
THE PREVIOUS HARNESS
PAGE. CONNECTORS.**
OF THE SECONDARY REPAIR OPEN IN THE
USING AN OHMMETER, BRAKE LAMP SWITCH IS THE RESISTANCE NO SECONDARY BRAKE
MEASURE THE SIGNAL CIRCUIT. BELOW 5.0 OHMS? LAMP SWITCH SIGNAL
RESISTANCE...CIRCUIT.*
FIG.1
YES
USING AN OHMMETER, THE BRAKE LAMP REPAIR SHORT TO
MEASURE THE SWITCH HARNESS IS THE RESISTANCE YES GROUND IN THE
RESISTANCE CONNECTOR CAVITY 1 BELOW 5.0 OHMS? SECONDARY BRAKE
BETWEEN... AND GROUND. LAMP SWITCH SIGNAL
FIG.2 CIRCUIT.*
NO
REPLACE THE ENGINE
CONTROL MODULE.*
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TEST TC-21AREPAIRING - CLUTCH SIGNAL PLAUSIBILITY
Perform TEST DTC Before Proceeding
FIG.1
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