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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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.* 

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