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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