Chrysler New Yorker. Manual — part 636

TEST TC-146A

REPAIRING - 5 VOLT SUPPLY OUTPUT TOO LOW

Perform TEST DTC Before Proceeding

FIG. 1

FIG. 2

2.7L

FIG. 3

3.5L

FIG. 4

T

R

O

U
B

L

E

C

O

D

E

T

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S

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380

TEST TC-146A

REPAIRING - 5 VOLT SUPPLY OUTPUT TOO LOW

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START TEST

TC-146A.

NOTE: ENGINE DTC

WITH THE DRB, READ

SCREENS WILL

THE DTC’S.

INDICATE IF THE

CONDITION CURRENTLY
EXITS. FIG. 1 AND 2

TURN IGNITION ON,

(ENGINE OFF)

DISCONNECT THE

WITH A VOLTMETER,

THROTTLE POSITION

PROBE THE 5-VOLT

IS THE VOLTAGE

YES

CONTINUE TEST

SENSOR CONNECTOR.**

SUPPLY CIRCUIT AT

READING BELOW 4.5

TC-146A ON THE

THE TP SENSOR.

VOLTS?

NEXT PAGE.

SEE GENERAL INFO 4.4

FIG. 3 OR 4

NO

PERFORM TEST

TC-146B.

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

381

TEST TC-146A

CONTINUED - REPAIRING - 5 VOLT SUPPLY OUTPUT TOO LOW

2.7L

FIG. 1

3.5L

FIG. 2

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

382

TEST TC-146A

CONTINUED - REPAIRING - 5 VOLT SUPPLY OUTPUT TOO LOW

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-146A

NOTE: VOLTMETER

CONTINUED FROM STILL CONNECTED TO

THE PREVIOUS

TP SENSOR 5-VOLT

PAGE.

SUPPLY CIRCUIT.

DISCONNECT THE MAP

IS THE 5-VOLT

SENSOR HARNESS

SUPPLY CIRCUIT

YES

REPLACE THE MAP

CONNECTOR.** VOLTAGE ABOVE 4.0

SENSOR.*

VOLTS?

SEE GENERAL INFO 4.4

NO

DISCONNECT THE EGR

IS THE 5-VOLT

SOLENIOD HARNESS

SUPPLY CIRCUIT

YES

REPLACE THE EGR

CONNECTOR.** VOLTAGE ABOVE 4.0

SOLENOID.*

VOLTS?

SEE GENERAL INFO 4.2

NO

IS THE VEHICLE

NO

EQUIPPED WITH AN

A/C PRESSURE

SENSOR?

YES

DISCONNECT THE A/C

IS THE 5-VOLT

PRESSURE SENSOR

SUPPLY CIRCUIT

YES

REPLACE THE A/C

HARNESS CONNECTOR.** VOLTAGE ABOVE 4.0

PRESSURE

SENSOR.*

VOLTS?

SEE GENERAL INFO 4.0

NO

DISCONNECT THE

POWERTRAIN CONTROL

TURN IGNITION OFF.

MODULE HARNESS

CONNECTOR.**

SEE GENERAL INFO 4.1

WITH AN OHMMETER,

THROTTLE POSITION

REPAIR THE 5-VOLT

MEASURE THE 5-VOLT

SENSOR CONNECTOR

IS THE RESISTANCE

YES

SUPPLY CIRCUIT FOR

SUPPLY CIRCUIT

AND GROUND.

BELOW 5.0 OHMS?

A SHORT TO

BETWEEN THE...

GROUND.*

FIG. 1 OR 2

NO

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

383