Chrysler New Yorker. Manual - part 457

TEST 11A

REPAIRING INOPERATIVE CONTROL HEAD SWITCH

Perform TEST 1A Before Proceeding

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TEST 11A

REPAIRING INOPERATIVE CONTROL HEAD SWITCH

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

IS THE PROBLEM

YES

CONTINUE TEST 

START TEST 11A. 

WITH THE A/C

11A ON THE NEXT 

SWITCH?

PAGE.

NO 

USING THE DRB

ENTER "BODY

OBSERVE THE "MODE

COMPUTER" THEN SWITCH 

MUX" 

"SENSORS" AND... VOLTAGE. 

DID THE VOLTAGE DROP 

PRESS AND HOLD THE

TO APPROXIMATELY 0.2

NO 

REPLACE THE

REAR DEFOGGER 

VOLTS WHEN THE

A/C-HEATER CONTROL

SWITCH.

SWITCH WAS PRESSED? 

HEAD.* 

YES

SWITCH IS 

OPERATING PROPERLY 

AT THIS TIME.

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TEST 11A

CONTINUED - REPAIRING INOPERATIVE CONTROL HEAD SWITCH

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TEST 11A

CONTINUED - REPAIRING INOPERATIVE CONTROL HEAD SWITCH

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 11A

USING THE DRB

CONTINUED FROM ENTER "BODY

THE PREVIOUS COMPUTER" THEN 

PAGE.

"SENSORS" AND... 

DID THE VOLTAGE DROP 

OBSERVE THE "MODE

PRESS AND HOLD THE

TO APPROXIMATELY 0.4

NO 

REPLACE THE

SWITCH MUX" 

A/C SWITCH.

VOLTS WHEN THE

A/C-HEATER CONTROL

VOLTAGE. SWITCH 

WAS PRESSED? 

HEAD.* 

YES

SWITCH IS 

OPERATING PROPERLY 

AT THIS TIME...

CHECK THE FAN OFF

CKT FOR AN OPEN CKT

(IF BCM THINKS FAN
IS OFF IT WILL NOT
TURN ON A/C LED).

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