Chrysler New Yorker. Manual - part 399

TEST 18A

REPAIRING CONTROL MODULE (HEAD) ILLUMINATION

Perform TEST 1A Before Proceeding

FIG. 1

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TEST 18A

REPAIRING CONTROL MODULE (HEAD) ILLUMINATION

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

IS THE PROBLEM

REPLACE THE

ONLY WITH THE

YES

AUTOMATIC

START TEST 18A. LETTERS AND LED

TEMPERATURE

LIGHTS?

CONTROL HEAD.* 

NO 

DISCONNECT THE

THIS PATH REPAIRS

AUTOMATIC

THE BACKGROUND TEMPERATURE

LIGHTS.

CONTROL HARNESS

CONNECTOR.** 

WITH AN OHMMETER,

MEASURE BETWEEN

IS 

THE RESISTANCE NO REPAIR 

THE OPEN 

GROUND AND THE

BELOW 5.0 OHMS?

GROUND CIRCUIT.*

GROUND CIRCUIT

(CAVITY 3). FIG. 1

YES

USING A VOLTMETER, 

TURN THE PARK 

MEASURE THE PANEL

LAMPS ON.

LAMPS DRIVER CKT. 

FIG. 1

ROTATE THE DIMMER 

DOES THE VOLTAGE

REPLACE THE

SWITCH THUMB WHEEL

RANGE FROM BELOW

YES

AUTOMATIC

AND OBSERVE THE

3.5 TO ABOVE 9.0

TEMPERATURE

VOLTAGE. VOLTS WHEN 

THUMB

CONTROL HEAD.* 

WHEEL IS ROTATED? 

NO 

REPAIR THE OPEN 

PANEL LAMPS DRIVER 

CIRCUIT.*

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195

TEST 19A

REPAIRING INOPERATIVE MODE DOOR

Perform TEST 1A Before Proceeding

FIG. 1

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196

TEST 19A

REPAIRING INOPERATIVE MODE DOOR

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: IF VEHICLE

WITH THE DRB ENTER

IS EQUIPPED WITH 

"BODY", "AUTOMATIC 

START TEST 19A. 

MANUAL TEMP 

TEMP CONTROL" THEN 

CONTROL, DISREGARD

"INPUT/OUPUT". 

THE FIRST STEP.

OBSERVE THE MODE DO 

THE SWITCH 

REPLACE THE

DOOR SWITCHES 

STATES CHANGE FROM 

NO 

AUTOMATIC

WHILE PRESSING 

OPEN TO CLOSED 

TEMPERATURE

EACH SWITCH ON THE

WHEN THE SWITCHES 

CONTROL HEAD.* 

ATC. ARE DEPRESSED. 

YES

DISCONNECT THE BCM

COMMON DOOR DRIVER 

C1 HARNESS

CIRCUIT. 

CONNECTOR.** RECONNECT THE BCM C1 

USING A TEST LIGHT, 

HARNESS CONNECTOR. 

BACKPROBE THE... FIG. 

1

TURN IGNITION ON 

OBSERVE THE TEST 

(ENGINE OFF).

LIGHT. 

NOTE: WAIT 10 

TURN RECIRC SW OFF. 

DID THE TEST LIGHT

SECONDS BETWEEN

TURN PANEL SW ON.

ILLUMINATE FOR

YES

CONTINUE TEST 

SWITCHING THE

TURN RECIRC SWITCH 

APPROXIMATELY 3

19A ON THE NEXT 

SWITCHES.

ON WHILE MONITORING 

SECONDS? 

PAGE.

THE TEST LIGHT. 

NO 

REPLACE THE BODY 
CONTROL MODULE.* 

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