Chrysler New Yorker. Manual — part 381

TEST 3A

CONTINUED - REPAIRING

(

BLEND DOOR FEEDBACK/STALL TEST FAILURE

(

TROUBLE CODE

FIG. 1

FIG. 2

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TEST 3A

CONTINUED - REPAIRING

(

BLEND DOOR FEEDBACK/STALL TEST FAILURE

(

TROUBLE CODE

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 3A

DISCONNECT THE

CONTINUED FROM BLEND DOOR

THE PREVIOUS ACTUATOR

HARNESS

PAGE.

CONNECTOR.**

USING A VOLTMETER,
MEASURE THE 5-VOLT

IS THE VOLTAGE

NO

REPAIR THE OPEN

SUPPLY CIRCUIT.

ABOVE 4.0 VOLTS?

5-VOLT SUPPLY

CIRCUIT.*

FIG. 1

YES

WITH A VOLTMETER,

REPAIR THE BLEND

MEASURE THE BLEND

IS THE VOLTAGE

YES

DOOR FEEDBACK

DOOR FEEDBACK

ABOVE 1.0 VOLT?

SIGNAL CIRCUIT FOR

SIGNAL CIRCUIT.

A SHORT TO

FIG. 1

VOLTAGE.*

NO

IS THE VOLTAGE

YES

CONTINUE TEST

ABOVE 0.2 VOLT?

3A ON THE NEXT

PAGE.

NO

KEY OFF. MEASURE THE

REPAIR

THE BLEND

USE AN OHMMETER IN

RESISTANCE BETWEEN

IS THE RESISTANCE

YES

DOOR FEEDBACK

THE FOLLOWING

GROUND AND THE BLEND

BELOW 5.0 OHMS?

SIGNAL CIRCUIT FOR

STEPS.

DOOR FEEDBACK SIGNAL

A SHORT TO

CKT. FIG. 1

GROUND.*

NO

MEASURE THE

AND THE BLEND DOOR REPAIR

THE BLEND

RESISTANCE BETWEEN

FEEDBACK SIGNAL

IS THE REISISTANCE

YES

DOOR FEEDBACK SIGNAL

THE SENSOR

GROUND CIRCUIT. BELOW 5.0 OHMS?

CKT FOR A SHORT TO

CIRCUIT...

THE SENSOR GND CKT.

FIG. 1

IF OK, REPLACE BCM.*

NO

MEASURE THE

BETWEEN THE BCM

REPAIR THE OPEN

RESISTANCE OF THE

AND THE BLEND DOOR

IS THE RESISTANCE

NO

BLEND DOOR

BLEND DOOR ACTUATOR.

BELOW 5.0 OHMS?

FEEDBACK

SIGNAL

FEEDBACK SIGNAL

CIRCUIT.*

CKT... FIGS. 1 & 2

YES

REPLACE THE BODY
CONTROL MODULE.*

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TEST 3A

CONTINUED - REPAIRING

(

BLEND DOOR FEEDBACK/STALL TEST FAILURE

(

TROUBLE CODE

FIG. 1

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TEST 3A

CONTINUED - REPAIRING

(

BLEND DOOR FEEDBACK/STALL TEST FAILURE

(

TROUBLE CODE

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 3A

KEY OFF. CLOSE ALL

CONTINUED FROM DOORS,

ENSURE

THE PREVIOUS COURTESY

LAMPS ARE

PAGE.

OFF, WAIT ONE

MINUTE.

USING AN OHMMETER,

MEASURE BETWEEN

IS

THE RESISTANCE NO REPAIR

THE OPEN

GROUND AND THE

BELOW 60.0 OHMS?

SENSOR GROUND

SENSOR GROUND

CIRCUIT.*

CIRCUIT. FIG. 1

YES

CONNECT A TEST KEY ON. PRESS (TURN)

LIGHT BETWEEN THE

THE TEMPERATURE

BLEND DOOR DRIVER

CONTROL SWITCH TO

CIRCUIT AND

THE FULL COLD (LO)

GROUND. FIG. 1

POSTION.

MONITOR THE TEST

NOTE: THE TEST LIGHT

DID THE TEST LIGHT

LIGHT WHILE PRESSING

SHOULD FLASH WHILE

FLASH BETWEEN 67

NO

CONTINUE TEST

(TURNING) THE TEMP

IN THE 67 TO 81

AND 81 DEGREES

3A ON THE NEXT

SWITCH TO THE FULL

DEGREEE RANGE

(APPROXIMATELY 5

PAGE.

HOT (HI) POSTION.

(ATC DISPLAY RANGE).

SECONDS FOR MTC)?

YES

CONNECT A TEST WITH

THE

LIGHT BETWEEN THE

TEMPERATURE IN THE

COMMON DOOR DRIVER

FULL HOT (HI)

CIRCUIT AND

POSTION.

GROUND. FIG. 1

MONITOR THE TEST

NOTE: THE TEST LIGHT

DID THE TEST LIGHT

LIGHT WHILE PRESSING

SHOULD FLASH WHILE

FLASH BETWEEN 81

NO

CONTINUE TEST

(TURNING) THE TEMP

IN THE 81 TO 67

AND 67 DEGREES

3A ON THE NEXT

SWITCH TO THE FULL

DEGREEE RANGE

(APPROXIMATELY 5

PAGE.

COLD (LO) POSTION.

(ATC DISPLAY RANGE).

SECONDS FOR MTC)?

YES

REPLACE THE BLEND

DOOR ACTUATOR.*

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