Chrysler New Yorker. Manual — part 598

TEST TC-60A

CONTINUED - REPAIRING - BAROMETRIC PRESSURE OUT OF RANGE

2.7L

FIG. 1

3.5L

FIG. 2

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

228

TEST TC-60A

CONTINUED - REPAIRING - BAROMETRIC PRESSURE OUT OF RANGE

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-60A

CONTINUED FROM

THE PREVIOUS

TURN IGNITION OFF.

PAGE.

DISCONNECT THE

WITH AN OHMMETER,

POWERTRAIN CONTROL

MEASURE THE 5-VOLT

IS THE RESISTANCE

YES

REPAIR THE 5-VOLT

MODULE HARNESS

SUPPLY CIRCUIT TO

BELOW 5.0 OHMS?

SUPPLY CIRCUIT FOR

CONNECTOR.** GROUND.

A SHORT TO

SEE GENERAL INFO 4.1

FIG. 1 OR 2

GROUND.*

NO

USING AN OHMMETER,

REPAIR THE OPEN

MEASURE RESISTANCE

IS THE RESISTANCE

NO

5-VOLT SUPPLY

OF THE 5-VOLT

BELOW 5.0 OHMS?

CIRCUIT BETWEEN

SUPPLY CIRCUIT.

MAP SENSOR AND PCM

FIG. 1 OR 2

CONNECTORS.*

YES

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

229

TEST TC-61A

REPAIRING - INJECTOR #4 CONTROL CIRCUIT

Perform TEST TC-21A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

230

TEST TC-61A

REPAIRING - INJECTOR #4 CONTROL CIRCUIT

Perform TEST TC-21A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: IT MAY BE

DISCONNECT INJECTOR

START TEST

NECESSARY TO

REFER TO SERVICE

#4 HARNESS

TC-61A.

REMOVE THE INTAKE

MANUAL FOR

CONNECTOR.**

PLENUM IN THE

INSTRUCTIONS.

SEE GENERAL INFO 4.1

FOLLOWING STEPS.

USING A VOLTMETER,

USING THE DRB, MEASURE THE ASD

DOES

THE VOLTAGE

NO

PERFORM TEST

ACTUATE THE ASD

RELAY OUTPUT

CYCLE FROM 0 TO 12

TC-61B.

RELAY. CIRCUIT. VOLTS?

FIG. 1

YES

USING AN OHMMETER,

MEASURE THE

IS

THE RESISTANCE NO REPLACE THE FUEL

RESISTANCE ACROSS

BETWEEN 10.0 AND

INJECTOR.*

THE INJECTOR.

16.0 OHMS?

YES

DISCONNNECT THE

RECONNECT THE

POWERTRAIN CONTROL

INJECTOR HARNESS

MODULE HARNESS

CONNECTOR. CONNECTORS.**

SEE GENERAL INFO 4.1

USING A FUSED

USING A 12 VOLT

JUMPER, JUMPER B+ TO

TEST LIGHT, PROBE

DID THE TEST LIGHT

YES

REPLACE THE

THE ASD RELAY OUTPUT

THE INJECTOR #4

ILLUMINATE?

POWERTRAIN CONTROL

CKT AT THE PCM

CIRCUIT TO GROUND.

MODULE.*

HARNESS CONN. FIG. 2

FIG. 2

NO

USING AN OHMMETER,

REPAIR THE SHORT

DISCONNECT THE

MEASURE THE

IS THE RESISTANCE

NO

TO GROUND IN THE

INJECTOR HARNESS

INJECTOR #4 DRIVER

BELOW 5.0 OHMS?

INJECTOR #4 DRIVER

CONNECTOR.** CIRCUIT TO

GROUND.

CIRCUIT.*

FIG. 1

YES

DRIVER CIRCUIT

USING AN OHMMETER,

FROM THE INJECTOR

IS THE RESISTANCE

NO

REPAIR THE OPEN

MEASURE THE

CONNECTOR TO THE

BELOW 5.0 OHMS?

INJECTOR #4 DRIVER

INJECTOR #4 ...

PCM CONN.

CIRCUIT.*

FIG. 3

YES

CONTINUE TEST

TC-61A ON THE

NEXT PAGE

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

231