Chrysler New Yorker. Manual — part 569

TEST TC-21B

CONTINUED - REPAIRING - INJECTOR #1 CONTROL CIRCUIT

FIG. 1

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TEST TC-21B

CONTINUED - REPAIRING - INJECTOR #1 CONTROL CIRCUIT

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

CONNECT THE

TEST TC-21B

POWERTRAIN CONTROL

CONTINUED FROM MODULE

HARNESS

PREVIOUS PAGE.

CONNECTORS.

KEY ON, ENGINE USING A VOLTMETER,

REPAIR

THE SHORT

OFF. WITH THE DRB,

MEASURE THE

IS THE VOLTAGE

YES

TO VOLTAGE IN THE

ACTUATE THE ASD

INJECTOR #1 DRIVE

ABOVE 1.0 VOLT?

INJECTOR #1 DRIVE

RELAY. CIRCUIT.

CIRCUIT.*

FIG. 1

NO

REPLACE THE

POWERTRAIN CONTROL

MODULE.*

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TEST TC-21C

REPAIRING - INJECTOR #1 CONTROL CIRCUIT

Perform TEST TC-21B Before Proceeding

2.7L

FIG. 1

3.5L

FIG. 2

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TEST TC-21C

REPAIRING - INJECTOR #1 CONTROL CIRCUIT

Perform TEST TC-21B Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

START TEST

STOP THE ASD RELAY

IS THE INJ/COIL

NO

REPAIR THE OPEN

TC-21C.

ACTUATING. FUSE

OPEN?

ASD RELAY OUTPUT

CIRCUIT.*

YES

DISCONNECT THE

CAPACITOR #1 USING THE DRB,

IS

THE INJ/COIL

YES

REPLACE THE

HARNESS CONNECTOR. ACTUATE THE ASD

FUSE

OK.

CAPACITOR #1.*

INSTALL A GOOD RELAY.

FUSE. FIG. 1 OR 2

NO

REPEAT THE ABOVE

STOP THE ASD RELAY

TEST PROCEDURE FOR

IS THE INJ/COIL

YES

REPLACE THE

ACTUATING. THE CAPACITOR #2.

FUSE

OK?

CAPACITOR #2.*

FIG. 1 OR 2

NO

USING THE SCHEMATIC,
REPAIR THE ASD RELAY
OUTPUT CIRCUIT FOR A

SHORT TO GROUND.*

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