Chrysler New Yorker. Manual — part 624

TEST TC-118A

REPAIRING - 1/1 FUEL SYSTEM RICH

Perform TEST DTC Before Proceeding

RIGHT BANK

FIG. 1

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

332

TEST TC-118A

REPAIRING - 1/1 FUEL SYSTEM RICH

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: REPAIR ALL

ARE THERE ANY

PERFORM THE

START TEST

OTHER O2 SENSOR

OTHER TROUBLE

YES

DTC TEST OR

TC-118A.

RELATED TROUBLE

CODES OR T.S.B.’S

T.S.B.’S THAT

CODES AND T.S.B.’S THAT

APPLY?

APPLY.

BEFORE PROCEEDING.

NO

NOTE:
REFER TO FIGURE 1

FOR POSSIBLE
TROUBLE CODE

CAUSES.

PERFORM

DID TEST NTC-5A

NO

REPAIR AS

FUEL DELIVERY TEST

NECESSARY.*

NTC-05A. PASS?

YES

PERFORM

DID TEST TC-103A

NO

REPAIR AS

O2 HEATER TEST

NECESSARY.*

TC-103A

PASS?

YES

TURN KEY ON.

READ THE

IS THE LONG TERM

THE CONDITION

1/1 RIGHT BANK UP

ADAPTIVE MEMORY

NO REQUIRED TO SET THIS

USING DRB,

LONG TERM ADAPTIVE

BETWEEN

TROUBLE CODE IS NO

CHECK FREEZE FRAME

MEMORY VALUE.

-18% TO -25%?

LONGER PRESENT.

DATA.

TEST COMPLETE.*

YES

PERFORM TEST

TC-118B.

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

333

TEST TC-118B

REPAIRING - 1/1 FUEL SYSTEM RICH

Perform TEST TC-118A Before Proceeding

1/1 RIGHT BANK UP

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

334

TEST TC-118B

REPAIRING - 1/1 FUEL SYSTEM RICH

Perform TEST TC-118A Before Proceeding

Using the test schematic as a guide, make sure all the wiring and connectors are okay.

Perform each of the following tests in the order listed below. If a test passes, continue to the next
test until the problem is found:

Coolant Temperature Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEST NTC-6A

Throttle Position Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEST NTC-7A

MAP Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEST NTC-8A

Engine Mechanical Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEST NTC-13A

Evaporative Emission System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEST NTC-17A

EGR System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEST NTC-18A

Intake Air Temperature Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEST NTC-19A

T

R

O

U
B

L

E

C

O

D

E

T

E
S

T

S

335