Chrysler New Yorker. Manual — part 667

TEST NTC-17A

CHECKING THE EVAPORATIVE EMISSION SYSTEMS

Perform TEST NTC-1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

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504

TEST NTC-17A

CHECKING THE EVAPORATIVE EMISSION SYSTEMS

Perform TEST NTC-1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

NOTE: CAREFULLY

START TEST INSPECT THE VACUUM

NTC-17A. HOSE

(A) FOR

PROPER ROUTING AND
FOR PINCHED OR...

A PLUGGED HOSE

ALSO ENSURE THE

FROM THE ENGINE TO

MANIFOLD VACUUM

IS THE VACUUM HOSE

NO

REPAIR THE VACUUM

THE PROPORTIONAL

PORT IS NOT

AND MANIFOLD PORT

SUPPLY AS

PURGE SOLENOID.

PLUGGED OR DAMAGE

OK?

NECESSARY.*

FIG. 1

IN ANY WAY.

YES

DISCONNECT THE

USING A VACUUM PUMP,

VACUUM HOSES AT

APPLY 10 INCHES OF

DOES THE PURGE

NO

REPLACE THE

THE PROPORTIONAL

VACUUM TO THE PURGE

SOLENOID HOLD

PROPORTIONAL PURGE

PURGE SOLENOID.

SOLENOID VACUUM

VACUUM?

SOLENOID.*

SOURCE PORT. FIG. 2

YES

WITH VACUUM STILL

DOES THE VACUUM

APPLIED TO THE

DROP WHEN THE

NO

REPLACE THE

SOLENOID, USE THE

SOLENOID IS

PROPORTIONAL PURGE

DRB TO ACTUATE THE

ACTUATED?

SOLENOID.*

PURGE SOLENOID.

YES

STOP ACTUATION

TO THE PURGE

DISCONNECT THE

A VACUUM GAUGE

TEST.

OUTPUT HOSE AT THE

PURGE OUTPUT HOSE

INTO THE END OF

CONNECT THE PURGE

PROPORTIONAL PURGE

(C) AT THE EVAP

THE HOSE.

VACUUM

SUPPLY SOLENOID CANISTER

AND

HOSE...

FIG. 3

INSTALL...

FIG. 1

CHECK THE VACUUM REPAIR

THE PURGE

START AND IDLE THE

AT THE PURGE

IS THE VACUUM

NO

OUTPUT HOSE FOR AN

ENGINE.

OUTPUT HOSE AT THE

ABOVE 10 INCHES?

OPEN OR RESTRICTION

EVAP CANISTER.

BETWEEN THE SOLENOID

AND CANISTER.*

YES

CONTINUE TEST
NTC-17A ON THE

NEXT PAGE.

TURN IGNITION ON.

INSTALL DRB.

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TEST NTC-17A

CONTINUED - CHECKING THE EVAPORATIVE EMISSION SYSTEMS

FIG. 1

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TEST NTC-17A

CONTINUED - CHECKING THE EVAPORATIVE EMISSION SYSTEMS

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST NTC-17A

TURN ENGINE OFF.

DISCONNECT THE

CONTINUED FROM

CANISTER OUTLET PORT

THE PREVIOUS

RECONNECT THE PURGE

VACUUM HOSE (D) AT

PAGE.

OUTLET HOSE (C) TO THE EVAP

CANISTER.

THE EVAP CANISTER.

FIG. 1

CONNECT A VACUUM

START AND IDLE THE

REPAIR RESTRICTED OR

GAUGE TO THE

ENGINE.

IS THE VACUUM

NO

DAMAGED CANISTER

OUTLET PORT OF THE

BELOW 5 INCHES?

VENT TUBE (B). IF

EVAP CANISTER.

NOTE THE VACUUM

OK, REPLACE THE EVAP

GAUGE READING. CANISTER

YES

KEY OFF. PLUG THE

START AND IDLE THE

REPAIR THE VENT

END OF THE CANISTER

ENGINE.

IS THE VACUUM

NO

TUBE FOR AN OPEN

VENT TUBE (B).

GAUGE READING

OR LEAK. IF OK,

NOTE THE VACUUM

ABOVE 10 INCHES?

REPLACE THE EVAP

FIG. 1

GAUGE READING.

CANISTER.

YES

CHECK THE HOSE (D)

NOTE: IF USING

GOING TO THE FUEL

COMPRESSED AIR, DO

TANK FOR

NOT EXCEED 5.0 PSI

RESTRICTIONS.

WHEN CHECKING FOR

RESTRICTIONS...

THROUGH THE FUEL

IS THE HOSE OR

YES

REPAIR AS

TANK.

FUEL TANK

NECESSARY.

RESTRICTED?

NO

TEST COMPLETE.

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507