Chrysler New Yorker. Manual - part 510

TEST 5A

REPAIRING CONTROLLER ANTI-LOCK BRAKES MODULE

(

NO RESPONSE

(

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

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638

TEST 5A

REPAIRING CONTROLLER ANTI-LOCK BRAKES MODULE

(

NO RESPONSE

(

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

KEY OFF. 

DISCONNECT THE

IS ANY TERMINAL 

YES

REPAIR AS 

START TEST 5A.

CONTROLLER ANTILOCK 

DAMAGED, PUSHED 

NECESSARY.*

BRAKE HARNESS

OUT OR MISWIRED?

CONNECTOR.** 

NO 

USING AN OHMMETER,

THE CAB HARNESS

MEASURE BETWEEN

CONNECTOR

IS 

THE RESISTANCE NO REPAIR 

THE OPEN 

GROUND AND THE CAB

(CAVITIES 8 AND 24). 

BELOW 10.0 OHMS ON 

GROUND CIRCUIT.*

GROUND CIRCUITS 

BOTH CIRCUITS?

AT...

FIG. 1

YES

USING A VOLTMETER, 
MEASURE THE FUSED

IS THE VOLTAGE

NO 

PERFORM TEST 

B(+) CIRCUIT

ABOVE 10.0 VOLTS? 

5B.

(CAVITY 9).

FIG. 1

YES

FUSED IGNITION 

TURN IGNITION ON.

SWITCH OUTPUT 

IS THE VOLTAGE

YES

CONTINUE TEST 

USING A VOLTMETER, 

CIRCUIT

ABOVE 10.0 VOLTS? 

5A ON THE NEXT 

MEASURE THE... (CAVITY 23). 

PAGE.

FIG. 1

NO 

REMOVE AND INSPECT

REPAIR THE OPEN 

FUSE #17 "ABS 

YES

FUSED IGNITION 

FUSE" IN THE

IS THE FUSE OK?

SWITCH OUTPUT 

JUNCTION BLOCK. 

CIRCUIT.*

FIG. 2

NO 

USING AN OHMMETER,

REPAIR THE FUSED

MEASURE BETWEEN

IS THE RESISTANCE 

YES

IGNITION SWITCH 

TURN IGNITION OFF. 

GROUND AND THE FUSED

BELOW 5.0 OHMS?

OUTPUT CIRCUIT FOR

IGNITION SWITCH 

A SHORT TO 

OUTPUT CKT. FIG. 1

GROUND.* 

NO 

REPLACE THE FUSE.* 

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TEST 5A

CONTINUED - REPAIRING CONTROLLER ANTI-LOCK BRAKES MODULE

(

NO

RESPONSE

(

FIG. 1

FIG. 2

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TEST 5A

CONTINUED - REPAIRING CONTROLLER ANTI-LOCK BRAKES MODULE

(

NO

RESPONSE

(

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 5A 

CONTINUED FROM 

THE PREVIOUS 

TURN IGNITION OFF. 

PAGE.

USING AN OHMMETER,

THE CAB HARNESS

REPLACE THE

MEASURE THE PCI

CONN AND THE BCM

IS THE RESISTANCE 

YES

CONTROLLER 

BUS CIRCUIT

C3 HARNESS CONN.

BELOW 5.0 OHMS?

ANTILOCK BRAKE

BETWEEN... 

(CAB).*

FIGS. 1 AND 2

NO 

REPAIR THE OPEN 

PCI BUS CIRCUIT.*

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641