Chrysler New Yorker. Manual — part 611

TEST TC-87A

REPAIRING - SPEED CONTROL SWITCH ALWAYS LOW

Perform TEST DTC Before Proceeding

FIG. 1

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TEST TC-87A

REPAIRING - SPEED CONTROL SWITCH ALWAYS LOW

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

AT THIS TIME THE

START TEST

WITH THE DRB, READ

IS THE S/C SWITCH

NO

CONDITION REQUIRED

TC-87A.

THE S/C SWITCH VOLTAGE BELOW 1.0

TO

SET THE TROUBLE

VOLTS IN SENSORS.

VOLTS?

CODE IS NOT PRESENT.

SEE GEN INFO 3.3.2

YES

DISCONNECT THE S/C

ON/OFF SWITCH

DID THE S/C SWITCH YES

REPLACE THE S/C

HARNESS CONNECTOR.**

VOLTS CHANGE TO

ON/OFF SWITCH.*

5.0 VOLTS?

SEE GENERAL INFO 4.7

NO

DISCONNECT THE S/C

RESUME/ACCEL SWITCH

DID THE S/C SWITCH YES

REPLACE THE S/C

HARNESS CONNECTOR.** VOLTS CHANGE

TO

RESUME/ACCEL

5.0 VOLTS? SWITCH.*

SEE GENERAL INFO 4.7

NO

TURN THE IGNITION

OFF.

WAIT ONE MINUTE.

USING AN OHMMETER,

REPAIR THE S/C

MEASURE THE

AND THE SENSOR

IS THE RESISTANCE

YES

SIGNAL CIRCUIT

RESISTANCE BETWEEN

GROUND CIRCUIT.

BELOW 5.0 OHMS?

SHORTED TO SENSOR

THE S/C SIGNAL

GROUND.

CIRCUIT... FIG.

1

NO

PERFORM TEST

TC-87B.

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D

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TEST TC-87B

CONTINUED - REPAIRING - SPEED CONTROL SWITCH ALWAYS LOW

FIG. 1

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TEST TC-87B

CONTINUED - REPAIRING - SPEED CONTROL SWITCH ALWAYS LOW

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

DISCONNECT THE

START TEST POWERTRAIN

CONTROL

TC-87B.

MODULE HARNESS

CONNECTOR.**

SEE GENERAL INFO 4.1

WITH AN OHMMETER,

CIRCUIT TO GROUND

MEASURE RESISTANCE

AT THE PCM

IS THE RESISTANCE

NO

REPLACE THE

OF S/C SWITCH

CONNECTOR.

BELOW 5.0 OHMS?

POWERTRAIN CONTROL

SIGNAL...

MODULE.*

FIG. 1

YES

REPAIR THE S/C
SWITCH SIGNAL
CIRCUIT FOR A

SHORT TO GROUND.*

T

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O

U
B

L

E

C

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D

E

T

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S

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