Chrysler New Yorker. Manual — part 385

TEST 7A

REPAIRING

(

EVAPORATOR TEMPERATURE SENSOR FAILURE

(

TROUBLE CODE

Perform TEST 1B Before Proceeding

FIG. 1

FIG. 2

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TEST 7A

REPAIRING

(

EVAPORATOR TEMPERATURE SENSOR FAILURE

(

TROUBLE CODE

Perform TEST 1B Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

USING THE DRB ENTER

"SENSORS" AND READ

IS THE VOLTAGE

NO

CONTINUE TEST

START TEST 7A.

THE EVAPORATOR

ABOVE 5.2 VOLTS?

7A ON THE NEXT

TEMPERATURE SENSOR PAGE.

VOLTAGE.

YES

DISCONNECT THE

USING A VOLTMETER,

REPAIR THE EVAP

EVAPORATOR

MEASURE THE EVAP

IS THE VOLTAGE

YES

TEMP SENSOR SIGNAL

TEMPERATURE SENSOR

TEMP SENSOR SIGNAL

ABOVE 5.3 VOLTS?

CKT FOR A SHORT TO

HARNESS CONNECTOR.**

CKT.

VOLTAGE. IF OK,

SEE GENERAL INFO 4.0

FIG. 1

REPLACE BCM.*

NO

CONNECT A JUMPER

WITH THE DRB, READ

REPLACE THE

WIRE BETWEEN THE

THE EVAPORATOR

IS THE VOLTAGE

NO

EVAPORATOR

EVAP TEMP SENSOR

TEMPERATURE SENSOR

ABOVE 4.9 VOLTS?

TEMPERATURE

SIGNAL & SENSOR

VOLTAGE.

SENSOR.*

GND CKTS. FIG. 1

YES

CONNECT A JUMPER

WITH THE DRB, READ

WIRE BETWEEN THE

THE EVAPORATOR

IS THE VOLTAGE

NO

REPAIR THE OPEN

EVAP TEMP SENSOR

TEMPERATURE SENSOR

ABOVE 4.9 VOLTS?

GROUND CIRCUIT.*

SIGNAL CKT AND

VOLTAGE.

GROUND. FIG. 1

YES

DISCONNECT THE BODY

USING AN OHMMETER,

CONTROL MODULE C2

MEASURE THE

HARNESS CONNECTOR.** EVAPORATOR

TEMP

SENSOR SIGNAL

SEE GENERAL INFO 4.0

CIRCUIT...

BETWEEN THE BCM AND

REPAIR THE OPEN

THE EVAPORATOR

IS

THE RESISTANCE NO EVAPORATOR

TEMP

TEMPERATURE SENSOR.

BELOW 5.0 OHMS?

SENSOR SIGNAL

CIRCUIT.*

FIGS. 1 & 2

YES

REPLACE THE BODY
CONTROL MODULE.*

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TEST 7A

CONTINUED - REPAIRING

(

EVAPORATOR TEMPERATURE SENSOR FAILURE

(

TROUBLE CODE

FIG. 1

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TEST 7A

CONTINUED - REPAIRING

(

EVAPORATOR TEMPERATURE SENSOR FAILURE

(

TROUBLE CODE

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 7A DISCONNECT

THE

CONTINUED FROM EVAPORATOR

THE PREVIOUS TEMPERATURE SENSOR

PAGE.

HARNESS CONN.**

SEE GENERAL INFO 4.0

WITH THE DRB, READ

THE EVAPORATOR

IS THE VOLTAGE

YES

CONTINUE TEST

TEMPERATURE SENSOR ABOVE 4.9 VOLTS?

7A

ON THE NEXT

VOLTAGE.

PAGE.

NO

KEY OFF. DISCONNECT

USING AN OHMMETER,

REPAIR THE

THE BODY CONTROL

MEASURE BETWEEN

IS THE RESISTANCE

YES

EVAPORATOR

MODULE C2 HARNESS

GROUND THE EVAP

BELOW 5.0 OHMS?

TEMPERATURE SENSOR

CONNECTOR.**

TEMP SENSOR SIGNAL

SIGNAL CIRCUIT FOR A

SEE GENERAL INFO 4.0

CKT. FIG. 1

SHORT TO GROUND.*

NO

WITH AN OHMMETER,

TEMPERATURE SENSOR

REPAIR THE EVAP TEMP

MEASURE BETWEEN

SIGNAL CIRCUIT.

IS THE RESISTANCE

YES

SENSOR SIGNAL

THE SENSOR GROUND

BELOW 5.0 OHMS?

CIRCUIT FOR A SHORT

CIRCUIT AND THE

TO THE SENSOR GROUND

EVAPORATOR...

FIG. 1

CIRCUIT.*

NO

REPLACE THE BODY
CONTROL MODULE.*

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