CHRYSLER CARAVAN 2000 Service Manual

TEST NS-1AREPAIRING A NO CRANK CONDITION
Perform TEST NS-SEL Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
NOTE: BATTERY MUST
START TEST BE FULLY CHARGED
NS-1A. BEFORE DIAGNOSING
A NO-START
CONDITION.
NOTE: BEFORE VEHICLE THEFT DIAGNOSE
CONTINUING, BE (SKIM) SYSTEM FOR ARE ANY CODES YES TROUBLE CODE
SURE TO CHECK DIAGNOSTIC TROUBLE PRESENT? BEFORE
ENGINE SYSTEM CODES. CONTINUING.]
AND...
NO
INSPECT BATTERY
CABLES FOR IS THERE EVIDENCE YES REPAIR AS
TURN IGNITION OFF. CORROSION, OF PROBLEMS? NECESSARY.*
LOOSENESS OR OTHER
PROBLEMS.
NO
TURN IGNITION OFF. KEY ON. WITH A REPAIR THE STARTER
VOLTMETER, MEASURE IS THE VOLTAGE YES RELAY CONTROL
DISCONNECT THE ECM THE STARTER RELAY ABOVE 1.0 VOLT? CIRCUIT FOR A
HARNESS CONTROL CKT. SHORT TO VOLTAGE.*
CONNECTORS.** FIG.1
NO
KEY OFF. USING A FULLY DEPRESS THE
JUMPER WIRE CONNECT CLUTCH PEDAL. DID THE ENGINE YES REPLACE THE ENGINE
THE STARTER RELAY CRANK? CONTROL MODULE.*
CONTROL CKT TO ATTEMPT TO CRANK
GROUND. FIG.1 THE ENGINE.
NO
WITH A VOLTMETER,
DISCONNECT THE MEASURE THE FUSED IS THE VOLTAGE NO REPAIR OPEN FUSED
STARTER RELAY FROM B(+) CIRCUIT. ABOVE 11.6 VOLTS? BATTERY CIRCUIT.*
THE PDC.**
FIG.1
YES
WARNING: THE TRANS WARNING: THE ENGINE BRIEFLY CONNECT A
MUST BE IN NEUTRAL MAY BE CRANKED IN JUMPER WIRE BETWEEN CONTINUE TEST
AND THE PARKING THE NEXT STEP. KEEP THE STARTER RLY NS-1A ON THE
BRAKE MUST BE ON AWAY FROM MOVING OUTPUT AND FUSED NEXT PAGE.
FOR THE NEXT STEP. ENGINE PARTS. B(+) CKTS. FIG.1
N
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T
A
R
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TEST NS-1ACONTINUED - REPAIRING A NO CRANK CONDITION
FIG.1
N
O
S
T
A
R
T
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E
S
T
S
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TEST NS-1ACONTINUED - REPAIRING A NO CRANK CONDITION
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
TEST NS-1A
CONTINUED FROM DID THE STARTER YES CONTINUE TEST
THE PREVIOUS MOTOR CRANK THE NS-1A ON THE
PAGE. ENGINE? NEXT PAGE.
NO
DID THE STARTER
YES SOLENOID CLICK NO DISCONNECT THE
WHEN THE JUMPER JUMPER WIRE.
WIRE WAS
CONNECTED?
USING AN OHMMETER, DISCONNECT STARTER
MEASURE THE RELAY OUTPUT WIRE
STARTER RELAY FROM THE STARTER
OUTPUT CIRCUIT. SOLENOID.**
FIG.1 FIG.2
IS THE RESISTANCE NO REPAIR OPEN
BELOW 5.0 OHMS? STARTER RELAY
OUTPUT CKT.*
YES
CHECK THE BATTERY DID EITHER BATTERY
REINSTALL STARTER CABLES FOR HIGH CIRCUIT HAVE A YES REPAIR THE BATTERY
RELAY. RESISTANCE. (USE VOLTAGE DROP CIRCUIT FOR HIGH
SERVICE MANUAL GREATER THAN 0.2 RESISTANCE.*
PROCEDURE) VOLT?
NO
ATTEMPT TO
MANUALLY ROTATE IS THE CRANKSHAFT NO REPAIR ENGINE
THE CRANKSHAFT 360 ABLE TO ROTATE 360 MECHANICAL PROBLEM
DEGREES. DEGREES? AS NECESSARY.*
YES
REPLACE THE
STARTER MOTOR.*
N
O
S
T
A
R
T
T
E
S
T
S
397
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TEST NS-1ACONTINUED - REPAIRING A NO CRANK CONDITION
FIG.1
FIG.2FIG.3
N
O
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T
A
R
T
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E
S
T
S
398
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TEST NS-1ACONTINUED - REPAIRING A NO CRANK CONDITION
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
TEST NS-1A KEY OFF. WITH AN IS THE RESISTANCE
CONTINUED FROM OHMMETER, MEASURE BETWEEN NO REPLACE THE
THE PREVIOUS THE STARTER RELAY 60.0 AND 90.0 STARTER RELAY.*
PAGE. TERMINALS 85 AND 86. OHMS?
FIG.1
YES
KEY ON. USING A AT THE ECM HARNESS REPAIR THE STARTER
VOLTMETER, MEASURE CONNECTOR. IS THE VOLTAGE YES RELAY CONTROL CKT
STARTER RELAY ABOVE 1.0 VOLT? FOR A SHORT TO
CONTROL CKT... VOLTAGE.*
FIG.2
NO
WITH AN OHMMETER, BETWEEN THE ECM
MEASURE RESISTANCE HARNESS CONNECTOR IS THE RESISTANCE YES REPAIR THE OPEN
OF THE STARTER AND THE PDC ABOVE 5.0 OHMS? STARTER RELAY
RELAY CONTROLCONTROL CIRCUIT.*
CIRCUIT... FIG.2
NO
KEY ON. USING A WITH THE CLUTCH
VOLTMETER, MEASURE WHILE DEPRESSING DEPRESSED, IS THE YES REPLACE THE
THE CLUTCH THE CLUTCH. VOLTAGE ABOVE 10.0 STARTER RELAY.*
INTERLOCK SWITCH VOLTS?
CKT AT THE PDC)...
NO
KEY OFF. DISCONNECT MEASURE CLUTCH
THE CLUTCH INTERLOCK INTERLOCK SWITCH IS THE VOLTAGE NO REPAIR OPEN CLUTCH
SWITCH HARNESS HARNESS CONNECTOR ABOVE 10.0 VOLTS? INTERLOCK SWITCH
CONNECTOR. KEY ON. CAVITY 1. BATTERY SUPPLY.*
USING A VOLTMETER... FIG.3
YES
CONNECT A JUMPER PROBE THE CLUTCH
WIRE ACROSS THE INTERLOCK SWITCH IS THE VOLTAGE YES ADJUST OR REPLACE
CLUTCH INTERLOCK OUTPUT CKT. IN THE ABOVE 10.0 VOLTS? THE CLUTCH
SWITCH HARNESS PDC. INTERLOCK SWITCH.*
CONNECTOR. FIG.2
NO
REPAIR OPEN
CIRCUIT BETWEEN
STARTER RELAY AND
CLUTCH INTERLOCK
SWITCH.*
N
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R
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399
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TEST NS-2AREPAIRING A NO RESPONSE CONDITION
Perform TEST NS-SEL Before Proceeding
FIG.1
FIG.2
N
O
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E
S
P
O
N
S
E
T
E
S
T
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TEST NS-2AREPAIRING A NO RESPONSE CONDITION
Perform TEST NS-SEL Before Proceeding
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
START TEST DOES THE VEHICLE YES PERFORM TEST
NS-2A. START? NS-2B.
NO
KEY OFF. WITH AN OHMMETER, IS THE RESISTANCE
MEASURE RESISTANCE ABOVE 5.0 OHMS FOR YES REPAIR THE OPEN
DISCONNECT THE ECM OF THE PCM GND CKTS ANY OF THE ECM GROUND.*
HARNESS AT HARNESS CAVITIES MEASUREMENTS?
CONNECTORS.** 1 AND 27. FIG.1
NO
KEY ON. USING A AT ECM HARNESS REPAIR OPEN OR
VOLTMETER, MEASURE CONNECTOR CAVITY 47. IS THE VOLTAGE NO SHORT TO GROUND IN
THE FUSED IGNITION ABOVE 10.0 VOLTS? THE FUSED IGNITION
SWITCH OUTPUT SWITCH OUTPUT
CIRCUIT... FIG.1 CIRCUIT.*
YES
KEY OFF. USING A VOLTMETER REPAIR OPEN FUSE
REMOVE THE DIESEL PROBE DIESEL POWER IS THE VOLTAGE NO OR FUSED BATTERY
POWER RELAY. RELAY CONNECTOR ABOVE 10.0 VOLTS? CIRCUIT TO DIESEL
CAVITY 30 (IN PDC). POWER RELAY.*
KEY ON. FIG.2
YES
KEY OFF. CONNECT A MEASURE VOLTAGE AT IS THE VOLTAGE
JUMPER WIRE ACROSS ECM HARNESS ABOVE 10.0 VOLTS NO REPAIR OPEN DIESEL
RELAY CONNECTOR CONNECTOR CAVITIES FOR EACH POWER RELAY OUTPUT
CAVATIES 30 AND 87. 2 AND 28. MEASUREMENT? CIRCUIT(S).*
FIG. 1 AND 2
YES
KEY OFF. RECONNECT WITH JUMPER WIRE
THE ENGINE CONTROL STILL CONNECTED, DOES THE VEHICLE NO REPLACE THE ENGINE
MODULE HARNESS ATTEMPT TO START START? CONTROL MODULE.*
CONNECTORS. VEHICLE.
YES
CONTINUE TEST
NS-2A ON THE
NEXT PAGE.
N
O
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E
S
P
O
N
S
E
T
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401
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TEST NS-2ACONTINUED - REPAIRING A NO RESPONSE CONDITION
FIG.1FIG.2
FIG.3FIG.4
N
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S
P
O
N
S
E
T
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402
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TEST NS-2ACONTINUED - REPAIRING A NO RESPONSE CONDITION
*Perform Verification TEST VER-1A. **Check connectors - Clean / repair as necessary.
PROBE DIESEL POWER
RELAY CONNECTOR
CAVITY 86 (IN PDC).
FIG.1
CONNECT A JUMPER
WIRE BETWEEN ECM
HARNESS CONNECTOR
CAVITY 33 AND
GROUND.
FIG. 4
N
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P
O
N
S
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TEST NS-2ACONTINUED - REPAIRING A NO RESPONSE CONDITION
FIG. 1
N
O
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E
S
P
O
N
S
E
T
E
S
T
404
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