Chrysler New Yorker. Manual - part 671

TEST NTC-26A

CHECKING THE A/C SYSTEM

Perform TEST NTC-1A Before Proceeding

FIG. 1

FIG. 2

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520

TEST NTC-26A

CHECKING THE A/C SYSTEM

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: THE TRANS

START TEST 

TEMPERATURE MAY TURN 

IS THERE AN A/C

YES

PERFORM TEST 

NTC-26A. 

ON THE COOLING FANS 

CLUTCH RELAY FAULT

TC-16A.

REGARDLESS OF ENGINE 

CODE?

TEMPERATURE. 

NO 

VERIFY THAT THE

PROPERLY CHARGE 

REFRIGERANT SYSTEM IS 

THE REFRIGERANT

NO 

THE REFRIGERANT

IS PROPERLY CHARGED, 

SYSTEM PROPERLY 

SYSTEM PER THE

PER SERVICE MANUAL CHARGED? 

SERVICE MANUAL 

SECTION 24.

SECTION 24.

YES

WITH THE DRB, 

DID THE A/C CLUTCH 

YES

THE A/C CLUTCH 

ACTUATE THE A/C

ACTUATE? 

CHECKS OK AT 

CLUTCH RELAY. 

THIS TIME.

NO 

DISCONNECT THE A/C

CLUTCH RELAY OUTPUT 

CLUTCH CONNECTOR. 

AT THE A/C CLUTCH.

DOES THE VOLTAGE

YES

CONTINUE TEST 

WITH A VOLTMETER, 

NOTE: ACTUATION

SWITCH FROM 0 TO 

NTC-26A ON THE

MEASURE THE A/C... 

SHOULD STILL BE 

12 VOLTS? 

NEXT PAGE.

FIG. 1

RUNNING. 

NO 

REMOVE THE A/C

CLUTCH RELAY. WITH A

IS THE VOLTAGE

NO 

REPAIR THE OPEN 

VOLTMETER, MEASURE

ABOVE 11.0 VOLTS? 

FUSED B(+) 

THE FUSED B(+) AT 

CIRCUIT.*

THE RELAY. FIG. 

2

YES

WITH AN OHMMETER,

MEASURE THE A/C

TO THE A/C

IS THE RESISTANCE 

NO 

REPAIR THE OPEN 

CLUTCH RELAY

CLUTCH COIL 

BELOW 5.0 OHMS?

A/C CLUTCH RELAY

OUTPUT FROM THE

CONNECTOR. 

OUTPUT CIRCUIT.*

RELAY... 

YES

REPLACE THE A/C

CLUTCH RELAY.*

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521

TEST NTC-26A

CONTINUED - CHECKING THE A/C SYSTEM

FIG. 1

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522

TEST NTC-26A

CONTINUED - CHECKING THE A/C SYSTEM

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST NTC-26A

WITH AN OHMMETER,

CONTINUED FROM MEASURE THE GROUND 

IS 

THE RESISTANCE 

YES

REPLACE THE A/C

THE PREVIOUS 

CIRCUIT TO GROUND.

BELOW 5.0 OHMS?

CLUTCH COIL.* 

PAGE.

FIG. 1

NO 

REPAIR THE OPEN 
GROUND CIRCUIT.*

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