Chrysler New Yorker. Manual — part 581

TEST TC-36A

CONTINUED - REPAIRING - MAP SENSOR VOLTAGE TOO LOW

2.7L

FIG. 1

3.5L

FIG. 2

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TEST TC-36A

CONTINUED - REPAIRING - MAP SENSOR VOLTAGE TOO LOW

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-36A

KEY OFF, DISCONNECT

CONTINUED FROM THE MAP SENSOR

THE PREVIOUS HARNESS CONNECTOR.**

PAGE.

SEE GENERAL INFO 4.4

KEY ON, USE THE

IS THE MAP SENSOR

YES

REPLACE THE MAP

DRB TO READ MAP

VOLTAGE ABOVE

SENSOR.*

SENSOR VOLTAGE.

4.0 VOLTS?

NO

USING A VOLTMETER, AT

THE MAP SENSOR

MEASURE THE

CONNECTOR.

IS THE VOLTAGE

YES

REPAIR THE OPEN

VOLTAGE OF THE MAP

BELOW 4.0 VOLTS?

MAP SENSOR 5-VOLT

SENSOR 5-VOLT

SUPPLY CIRCUIT.*

SUPPLY CIRCUIT...

FIG. 1 OR 2

NO

DISCONNECT THE

POWERTRAIN CONTROL

USE AN OHMMETER IN

TURN IGNITION OFF.

MODULE.**

THE FOLLOWING

STEP.

SEE GENERAL INFO 4.1

MEASURE THE

THE MAP SENSOR REPAIR

MAP SENSOR

RESISTANCE

GROUND CIRCUIT.

IS THE RESISTANCE

YES

SIGNAL CIRCUIT

BETWEEN THE MAP

BELOW 5.0 OHMS?

SHORTED TO MAP

SENSOR SIGNAL

SENSOR GROUND

CIRCUIT AND...

FIG. 1 OR 2

CIRCUIT.*

NO

USING AN OHMMETER,

AT THE MAP SENSOR

REPAIR THE MAP

MEASURE THE

CONNECTOR TO

IS THE RESISTANCE

YES

SENSOR SIGNAL

RESISTANCE OF

GROUND.

BELOW 5.0 OHMS?

CIRCUIT FOR A

THE MAP SENSOR

SHORT TO GROUND.*

SIGNAL CIRCUIT...

FIG. 1 OR 2

NO

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

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TEST TC-37A

REPAIRING - MAP SENSOR VOLTAGE TOO HIGH

Perform TEST DTC Before Proceeding

2.7L

3.5L

FIG. 1

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TEST TC-37A

REPAIRING - MAP SENSOR VOLTAGE TOO HIGH

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START TEST

WITH THE DRB, READ

IS THE MAP SENSOR

YES

CONTINUE TEST

TC-37A.

THE MAP SENSOR

VOLTAGE ABOVE 4.6

TC-37A ON THE

VOLTAGE. VOLTS?

NEXT

PAGE.

NO

START ENGINE, WIGGLE

REPAIR THE HARNESS

MAP SENSOR CONNECTOR

MONITOR THE DRB

DID VOLTAGE GO

YES

OR CONNECTOR THAT

& HARNESS. DISPLAY.

ABOVE 4.6 VOLTS

CAUSED

THE VOLTAGE

WHEN WIGGLED?

CHANGE.*

SEE GENERAL INFO 4.4

NO

AT THIS TIME, THE

USING THE

CONDITION REQUIRED

SCHEMATIC AS A

WERE ANY PROBLEMS

YES

REPAIR AS

TO SET THE CODE IS

GUIDE, INSPECT THE

FOUND?

NECESSARY.*

NOT PRESENT. HARNESS AND

FIG. 1

CONNECTORS.

NO

REFER TO GEN INFO

3.3.2 FOR

INFORMATION ON

TEST COMPLETE.*

INACTIVE TROUBLE

CODES.

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