Chrysler New Yorker. Manual — part 612

TEST TC-88A

REPAIRING - MANIFOLD TUNE VALVE SOLENOID CIRCUIT

Perform TEST DTC Before Proceeding

FIG. 1

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TEST TC-88A

REPAIRING - MANIFOLD TUNE VALVE SOLENOID CIRCUIT

Perform TEST DTC Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

IS THE ’GLOBAL

START TEST

WITH THE DRB,

GOOD TRIP’

YES

CONTINUE TEST

TC-88A

READ CODES.

DISPLAYED AND

TC-88A ON THE

EQUAL TO 0?

NEXT PAGE.

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. WIRING

AND

FIG. 1

CONNECTORS.

NO

DOES THE MANIFOLD

REPAIR AS

WITH THE DRB,

WIGGLE WIRING

TUNE VALVE

YES

NECESSARY WHERE

ACTUATE THE MTV

HARNESS FROM THE

SOLENOID EVER STOP

WIGGLING CAUSED

SOLENOID.

SOLENOID TO PCM.

ACTUATING?

PROBLEM TO

APPEAR.*

NO

USING THE DRB, GO TO

THE CODE ON THE

REFER TO GEN INFO

THE FREEZE FRAME

DTC SCREEN. IF SO,

3.3.2 FOR

SCREEN. MAKE SURE

UTILIZE THIS INFO

INFORMATION ON

TEST COMPLETE.*

THE ’CAUSED BY DTC

FOR ADDED

INACTIVE TROUBLE

HEX CODE MATCHES...

DIAGNOSTICS.

CODES.

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TEST TC-88A

CONTINUED - REPAIRING - MANIFOLD TUNE VALVE SOLENOID CIRCUIT

FIG. 1

FIG. 2

FIG. 3

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TEST TC-88A

CONTINUED - REPAIRING - MANIFOLD TUNE VALVE SOLENOID CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST TC-88A

KEY OFF, DISCONNECT

CONTINUED FROM THE MTV SOLENOID

THE PREVIOUS HARNESS CONNECTOR.**

PAGE.

SEE GENERAL INFO 4.2

USING A VOLTMETER,

KEY ON. WITH THE

MEASURE THE ASD

IS THE VOLTAGE

NO

CONTINUE TEST

DRB, ACTUATE THE

RELAY OUTPUT CKT

ABOVE 10.0 VOLTS?

TC-88A ON NEXT

MTV SOLENOID.

AT SOL CONNECTOR.

PAGE.

FIG. 1

YES

USING A 12 VOLT TEST

NOTE: DRB STILL

LIGHT, CONNECT ONE

ACTUATING THE MTV

END OF THE TEST

SOLENOID.

LIGHT TO THE ASD

RELAY OUTPUT CKT...

AND THE OTHER END AT

THE MTV SOLENOID DOES

THE TEST

YES

REPLACE THE

CONTROL CKT AT THE

LIGHT FLASH ON AND

MANIFOLD TUNE

MTV SOLENOID OFF?

VALVE SOLENOID.*

CONNECTOR. FIG. 1

NO

STOP THE MTV

USING A VOLTMETER,

REPAIR THE SHORT

SOLENOID FROM

MEASURE THE MTV

IS THE VOLTAGE

YES

TO VOLTAGE IN THE

ACTUATING. USING A

SOLENOID CONTROL

ABOVE 1.0 VOLT?

MANIFOLD TUNE

DRB, ACTUATE THE

CIRCUIT.

VALVE SOLENOID

ASD RELAY. FIG.

1

CIRCUIT.*

NO

KEY OFF. DISCONNECT

USING AN OHMMETER,

REPAIR THE OPEN IN

THE PCM HARNESS

MEASURE THE

IS THE RESISTANCE

NO

THE MANIFOLD TUNE

CONNECTOR.

RESISTANCE OF THE

BELOW 5.0 OHMS?

VALVE SOLENOID

MTV SOLENOID CONTROL

CONTROL CIRCUIT.*

SEE GENERAL INFO 4.1

CIRCUIT. FIG. 2

USING AN OHMMETER,

REPAIR THE SHORT

MEASURE THE MTV

IS THE RESISTANCE

YES

TO GROUND IN THE

SOLENOID CONTROL

BELOW 5.0 OHMS.

MANIFOLD TUNE

CIRCUIT TO GROUND.

VALVE SOLENOID

FIG. 3

CIRCUIT.*

NO

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

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