Chrysler New Yorker. Manual - part 559

TEST TC-15A

CONTINUED - REPAIRING - SPEED CONTROL SOLENOID CIRCUITS

FIG. 1

FIG. 2

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72

TEST TC-15A

CONTINUED - REPAIRING - SPEED CONTROL SOLENOID CIRCUITS

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

TEST TC-15A 

CONTINUED FROM 

USE AN OHMMETER IN 

THE PREVIOUS THE FOLLOWING

PAGE.

STEPS. 

MEASURE BETWEEN

REPAIR THE SHORT

BRAKE LAMP SWITCH 

IS THE RESISTANCE 

YES

TO GROUND IN THE

HARNESS CONNECTOR

BELOW 5.0 OHMS?

S/C BRAKE SWITCH 

CAVITY 4 AND GROUND.

OUTPUT CIRCUIT.*

FIG. 1

NO 

MEASURE THE

RESISTANCE OF THE

IS THE RESISTANCE 

YES

REPLACE THE BRAKE

S/C BRAKE SWITCH BELOW 5.0 OHMS?

LAMP 

SWITCH.* 

OUTPUT CIRCUIT. 

FIG. 2

NO 

REPAIR THE OPEN IN 

THE S/C BRAKE
SWITCH OUTPUT 

CIRCUIT.*

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73

TEST TC-15B

REPAIRING - SPEED CONTROL SOLENOID CIRCUITS

Perform TEST TC-15A Before Proceeding

FIG. 1

FIG. 2

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74

TEST TC-15B

REPAIRING - SPEED CONTROL SOLENOID CIRCUITS

Perform TEST TC-15A Before Proceeding

*Perform Verification TEST VER-4A.

**Check connectors - Clean / repair as necessary.

START TEST 

TC-15B.

TURN IGNITION OFF. 

THE SERVO 4-WAY

USING AN OHMMETER,

HARNESS CONNECTOR. 

IS THE RESISTANCE 

NO 

REPAIR THE OPEN 

MEASURE THE GROUND BELOW 5.0 OHMS?

SERVO GROUND 

CIRCUIT AT...

CIRCUIT.*

FIG. 1

YES

WITH AN OHMMETER,

SPEED CONTROL VENT 

IS THE RESISTANCE 

REPAIR THE

PERFORM THE

SOL CKT AND SPEED

BELOW 5.0 OHMS FOR

YES

CIRCUIT(S) THAT 

FOLLOWING

CONTROL VACUUM SOL

EITHER 

MEASURED BELOW 5.0

MEASUREMENTS TO 

CKT. 

MEASUREMENT? 

OHMS FOR A SHORT

GROUND.. 

TO GROUND.* 

NO 

DISCONNECT THE PCM

RECONNECT THE S/C

HARNESS CONNECTORS.

SERVO HARNESS

CONNECTOR. 

SEE GENERAL INFO 4.1

MEASURE BETWEEN

IS THE RESISTANCE 

USE AN OHMMETER IN 

PCM HARNESS

BETWEEN

NO 

CONTINUE TEST 

THE FOLLOWING

CONNECTOR CAVITIES 

TC-15B ON THE

STEPS. 

5 AND 80.

35.0 AND 55.0 

NEXT PAGE.

FIG. 2

OHMS?

YES

MEASURE BETWEEN

IS THE RESISTANCE 

PCM HARNESS

BETWEEN

NO CONTINUE 

TEST 

CONNECTOR CAVITIES 

TC-15B ON THE

5 AND 56.

35.0 AND 55.0 

NEXT PAGE.

FIG. 2

OHMS?

YES

REPLACE THE

POWERTRAIN CONTROL

MODULE.* 

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75