CHRYSLER CARAVAN 2000 Service Manual
CARAVAN 2000
CHRYSLER
CHRYSLER
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CHRYSLER CARAVAN 2000 Service Manual
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Page 381 of 436
TEST SC-1ACONTINUED - CHECKING SPEED CONTROL OPERATION
*Perform Verification TEST VER-3A. **Check connectors - Clean / repair as necessary.
TEST SC-1A
CONTINUED FROM
THE PREVIOUS TURN IGNITION OFF.
PAGE.
USING THE SCHEMATIC
AS A GUIDE, INSPECT WERE ANY PROBLEMS YES REPAIR AS
THE WIRING AND FOUND? NECESSARY.*
CONNECTORS.
FIG.1
NO
CHECK THE BRAKE LAMP ARE THE BRAKE LAMP
SWITCH AND CLUTCH SWITCH AND CLUTCH NO ADJUST OR REPLACE
PEDAL SWITCH PEDAL SWITCH AS NECESSARY.*
ADJUSTMENTS. ADJUSTED CORRECTLY?
YES
REPLACE THE ENGINE
CONTROL MODULE.*
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
375
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Page 382 of 436
TEST SC-2ACHECKING SPEED CONTROL OPERATION
Perform TEST SC-1A Before Proceeding
FIG.1
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
376
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Page 383 of 436

TEST SC-2ACHECKING SPEED CONTROL OPERATION
Perform TEST SC-1A Before Proceeding
*Perform Verification TEST VER-3A. **Check connectors - Clean / repair as necessary.
KEY OFF.
START TEST DISCONNECT THE
SC-2A. CLOCKSPRING
HARNESS
CONNECTOR.**
KEY ON. USING THE A JUMPER WIRE DID THE VOLTAGE
DRB, MONITOR THE ACROSS CLOCKSPRING CHANGE FROM YES REPLACE THE SPEED
CRUISE SWITCH HARNESS CONNECTOR APPROXIMATELY 5.0 CONTROL SWITCHES.*
VOLTAGE WHILE CAVITIES 3 AND 4. VOLTS TO 0 VOLTS?
CONNECTING... FIG.1
NO
KEY ON. PROBE THE REPAIR THE OPEN
USE A VOLTMETER IN CLOCKSPRING IS THE VOLTAGE YES SPEED CONTROL
THE FOLLOWING HARNESS CONNECTOR ABOVE 4.0 VOLTS? SWITCH GROUND
STEP. CAVITY 4. CIRCUIT.*
NO
KEY OFF. USING AN OHMMETER,
DISCONNECT THE ECM MEASURE THE SPEED IS THE RESISTANCE YES REPAIR THE OPEN
HARNESS CONTROL SWITCH ABOVE 5.0 OHMS? SPEED CONTROL
CONNECTORS.** CIRCUIT. SWITCH CIRCUIT.*
FIG.1
NO
REPLACE THE ENGINE
CONTROL MODULE.*
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
377
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Page 384 of 436
TEST SC-3ACHECKING SPEED CONTROL OPERATION
Perform TEST SC-1A Before Proceeding
FIG.1
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
378
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Page 385 of 436
TEST SC-3ACHECKING SPEED CONTROL OPERATION
Perform TEST SC-1A Before Proceeding
*Perform Verification TEST VER-3A. **Check connectors - Clean / repair as necessary.
NO
YES
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
379
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Page 386 of 436
TEST SC-3ACONTINUED - CHECKING SPEED CONTROL OPERATION
FIG.1
FIG.2
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
380
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Page 387 of 436

TEST SC-3ACONTINUED - CHECKING SPEED CONTROL OPERATION
*Perform Verification TEST VER-3A. **Check connectors - Clean / repair as necessary.
TEST SC-3A KEY OFF.
CONTINUED FROM
THE PREVIOUS DISCONNECT THE BRAKE
PAGE. LAMP SWITCH HARNESS
CONNECTOR.**
USING A VOLTMETER, REPAIR THE BRAKE
PROBE BRAKE LAMP IS THE VOLTAGE NO LAMP SWITCH FUSED
SWITCH HARNESS ABOVE 9.0 VOLTS? BATTERY SUPPLY
CONNECTOR CAVITY 6. CIRCUIT FOR AN
FIG.1 OPEN.*
YES
CONNECT A JUMPER DOES THE DRB
BETWEEN BRAKE LAMP DISPLAY CHANGE YES ADJUST OR REPLACE
SWITCH HARNESS TURN IGNITION ON. FROM "RELEASED" TO THE BRAKE LAMP
CONNECTOR CAVITIES "PRESSED"? SWITCH.*
5 AND 6. FIG.1
NO
REMOVE THE JUMPER. AT THE BRAKE LAMP REPAIR THE PRIMARY
USING A VOLTMETER, SWITCH HARNESS IS THE VOLTAGE NO BRAKE SWITCH
MEASURE THE CONNECTOR CAVITY 5. BELOW 1.0 VOLT? SIGNAL CIRCUIT FOR
PRIMARY SWITCH A SHORT TO
SIGNAL CIRCUIT... FIG.1 VOLTAGE.*
YES
KEY OFF. USING AN OHMMETER, REPAIR THE PRIMARY
MEASURE RESISTANCE IS THE RESISTANCE NO BRAKE SWITCH
DISCONNECT THE ECM OF THE PRIMARY BRAKE BELOW 5.0 OHMS? SIGNAL CIRCUIT FOR
HARNESS SW SIGNAL CKT. AN OPEN.*
CONNECTORS.** FIG.2
YES
REPLACE THE ENGINE
CONTROL MODULE.*
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
381
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Page 388 of 436
TEST SC-3BCHECKING SPEED CONTROL OPERATION
Perform TEST SC-3A Before Proceeding
FIG.1
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
382
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Page 389 of 436
TEST SC-3BCHECKING SPEED CONTROL OPERATION
Perform TEST SC-3A Before Proceeding
*Perform Verification TEST VER-3A. **Check connectors - Clean / repair as necessary.
START TEST
SC-3B. TURN IGNITION OFF.
DISCONNECT THE KEY ON. USING A
BRAKE LAMP SWITCH VOLTMETER, MEASURE IS THE VOLTAGE NO CONTINUE TEST
HARNESS VOLTAGE AT CAVITY 1. ABOVE 9.0 VOLTS? SC-3B ON THE
CONNECTOR.** NEXT PAGE.
FIG.1
YES
USING A JUMPER WHILE MONITORING DID THE DRB
WIRE, CONNECT THE DRB. DISPLAY CHANGE YES ADJUST OR REPLACE
BRAKE LAMP SWITCH FROM "PRESSED" TO THE BRAKE LAMP
CONNECTOR CAVITY 1 "RELEASED"? SWITCH.*
TO GROUND... FIG.1
NO
USING AN OHMMETER,REPAIR THE OPEN
MEASURE THE IS THE RESISTANCE YES SECONDARY BRAKE
RESISTANCE BETWEEN ABOVE 10.0 OHMS? LAMP SWITCH GROUND
CONNECTOR CAVITY 2CIRCUIT.*
AND GROUND. FIG.1
NO
REPLACE THE ENGINE
CONTROL MODULE.*
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
383
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Page 390 of 436
TEST SC-3BCONTINUED - CHECKING SPEED CONTROL OPERATION
FIG.1
FIG.2
S
P
E
E
D
C
O
N
T
R
O
L
T
E
S
T
S
384
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