Chrysler New Yorker. Manual - part 509

TEST 4A

CONTINUED- REPAIRING BODY CONTROL MODULE

(

NO RESPONSE

(

FIG. 1

FIG. 2

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634

TEST 4A

CONTINUED- REPAIRING BODY CONTROL MODULE

(

NO RESPONSE

(

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 4A 

CONTINUED FROM DISCONNECT 

THE DRB

THE PREVIOUS 

FROM THE DATA LINK 

PAGE.

CONNECTOR. 

USING A VOLTMETER, 

MEASURE THE PCI BUS

IS THE VOLTAGE

YES

PERFORM TEST 

CIRCUIT AT THE DATA 

ABOVE 8.0 VOLTS? 

12A. 

LINK CONNECTOR. 

FIG. 1

NO 

IS THE VOLTAGE

YES

PERFORM TEST 

BELOW 0.2 VOLTS? 13A. 

NO 

REMOVE THE BODY 

ENSURE THAT THE

CONTROL MODULE 

JUNCTION BLOCK

TURN IGNITION ON 

TURN IGNITION OFF. 

FROM THE JUNCTION 

CONNECTORS ARE

(ENGINE OFF).

BLOCK. CONNECTED. 

USING A VOLTMETER, JUNCTION 

BLOCK

MEASURE THE FUSED

20-WAY INTERNAL 

IS THE VOLTAGE

NO 

REPLACE THE

B (+) CIRCUIT AT 

CONNECTOR. 

ABOVE 10.0 VOLTS? 

JUNCTION BLOCK.*

THE... 

FIG. 2

YES

CONTINUE TEST 
4A ON THE NEXT 

PAGE.

NOTE: FOR LOCATION 
OF ALL COMPONENTS.

SEE GENERAL INFO 4.0

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635

TEST 4A

CONTINUED- REPAIRING BODY CONTROL MODULE

(

NO RESPONSE

(

FIG. 1

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636

TEST 4A

CONTINUED- REPAIRING BODY CONTROL MODULE

(

NO RESPONSE

(

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 4A 

CONTINUED FROM 

THE PREVIOUS 

PAGE.

KEY OFF. 

AT THE JUNCTION 

REPAIR THE OPEN 

USING AN OHMMETER,

BLOCK 20-WAY 

IS THE RESISTANCE 

NO 

GROUND CIRCUIT. IF 

MEASURE BETWEEN

INTERNAL BELOW 5.0 OHMS?

OK, REPLACE THE

GND AND THE GROUND CONNECTOR. 

JUNCTION 

BLOCK.*

CKT (CAV 1)...

FIG. 1

YES

USING AN OHMMETER,

AT THE JUNCTION 

REPAIR THE OPEN 

MEASURE BETWEEN

BLOCK 20-WAY 

IS THE RESISTANCE 

NO 

GROUND CIRCUIT. IF 

GND AND THE GROUND INTERNAL  BELOW 5.0 OHMS?

OK, REPLACE THE

CKT (CAV 20)... 

CONNECTOR. 

JUNCTION BLOCK.*

FIG. 1

YES

REPLACE THE BODY 
CONTROL MODULE.* 

NOTE: FOR LOCATION 
OF ALL COMPONENTS.

SEE GENERAL INFO 4.0

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637