Chrysler New Yorker. Manual - part 487

TEST 2A

REPAIRING AMBIENT TEMPERATURE SENSOR FAILURE

Perform TEST 1A Before Proceeding

FIG. 1

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TEST 2A

REPAIRING AMBIENT TEMPERATURE SENSOR FAILURE

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: FOR LOCATION 

NOTE: AFTER ANY

OF ALL COMPONENTS.

REPAIR FOR AN 

START TEST 2A.

AMBIENT TEMPERATURE
PROBLEM, THE VEHICLE

SEE GENERAL INFO 4.0

MUST BE DRIVEN...

OVER 3 MILES, 

KEY ON. WITH THE DRB

ABOVE 25 MPH

ENTER "BODY

IS THE VOLTAGE

NO 

CONTINUE TEST 

STEADY, IN ORDER

COMPUTER", "SENSORS"

BELOW 0.2 VOLTS? 

2A ON THE NEXT 

TO UPDATE THE OTIS 

AND READ THE AMBIENT

PAGE.

DISPLAY. 

TEMP SENSOR VOLTAGE. 

YES

DISCONNECT THE

WITH THE DRB, READ 

REPLACE THE

AMBIENT

THE AMBIENT

IS THE VOLTAGE

YES

AMBIENT

TEMPERATURE SENSOR TEMPERATURE SENSOR APPROXIMATELY 5.0

TEMPERATURE

HARNESS

VOLTAGE. VOLTS? SENSOR.* 

CONNECTOR.** 

NO 

KEY OFF. 

USING AN OHMMETER,

REPAIR THE AMBIENT

DISCONNECT THE

MEASURE BETWEEN

IS THE RESISTANCE 

YES

TEMPERATURE SENSOR 

BODY CONTROL

GROUND AND THE

BELOW 5.0 OHMS?

SIGNAL CIRCUIT FOR

MODULE C3 HARNESS

AMBIENT TEMP SENSOR 

A SHORT TO 

CONNECTOR.** 

SIGNAL CKT. FIG. 1

GROUND.* 

NO 

WITH AN OHMMETER,

AND THE AMBIENT

REPAIR THE AMBIENT

MEASURE BETWEEN

TEMPERATURE SENSOR 

IS THE RESISTANCE 

YES

TEMP SENSOR SIGNAL 

THE SENSOR GROUND 

SIGNAL CIRCUIT. 

BELOW 5.0 OHMS?

CKT FOR A SHORT TO 

CIRCUIT... 

THE SENSOR GROUND 

FIG. 1

CKT.*

NO 

REPLACE THE BODY 
CONTROL MODULE.* 

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547

TEST 2A

CONTINUED - REPAIRING AMBIENT TEMPERATURE SENSOR FAILURE

FIG. 1

FIG. 2

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548

TEST 2A

CONTINUED - REPAIRING AMBIENT TEMPERATURE SENSOR FAILURE

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 2A 

NOTE: FOR LOCATION DISCONNECT 

THE

CONTINUED FROM OF 

ALL COMPONENTS.

AMBIENT

THE PREVIOUS TEMPERATURE SENSOR 

PAGE.

HARNESS

SEE GENERAL INFO 4.0

CONNECTOR.** 

WITH A VOLTMETER, 

REPAIR THE AMBIENT

TURN THE IGNITION 

MEASURE THE AMBIENT

IS THE VOLTAGE

YES

TEMP SENSOR SIGNAL 

ON.

TEMPERATURE SENSOR ABOVE 5.3 VOLTS? CKT FOR A SHORT TO 

SIGNAL CIRCUIT. 

VOLTAGE. IF OK,

FIG. 1

REPLACE THE BCM.*

NO 

CONNECT A JUMPER 

REPLACE THE

WIRE BETWEEN THE

IS THE VOLTAGE

YES

AMBIENT

AMBIENT TEMP SENSOR 

BELOW 0.2 VOLTS? 

TEMPERATURE

HARNESS CONN CAVS 

SENSOR.* 

1 & 2. FIG. 1

NO 

REMOVE THE JUMPER 

AMBIENT

WIRE.

TEMPERATURE SENSOR 

CONNECT A JUMPER SIGNAL 

CIRCUIT. 

WIRE BETWEEN

GROUND AND THE... 

FIG. 1

IS THE VOLTAGE

YES

REPAIR THE OPEN 

BELOW 0.2 VOLTS? SENSOR 

GROUND 

CIRCUIT.*

NO 

LEAVE THE JUMPER DISCONNECT 

THE

WIRE CONNECTED

BODY CONTROL

FROM THE PREVIOUS 

MODULE C3 HARNESS

STEP.

CONNECTOR.** 

WITH AN OHMMETER,

REPAIR THE OPEN 

MEASURE BETWEEN

IS THE RESISTANCE 

NO 

AMBIENT

GROUND AND THE

BELOW 5.0 OHMS?

TEMPERATURE SENSOR 

AMBIENT TEMP SENSOR 

SIGNAL CIRCUIT.*

SIGNAL CKT. FIG. 2

YES

REPLACE THE BODY 
CONTROL MODULE.* 

WITH THE DRB, READ 

THE AMBIENT

TEMPERATURE SENSOR 

VOLTAGE. 

WITH THE DRB, READ 

THE AMBIENT

TEMPERATURE SENSOR 

VOLTAGE. 

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549