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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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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639

TEST 5A

CONTINUED - REPAIRING CONTROLLER ANTI-LOCK BRAKES MODULE

(

NO

RESPONSE

(

FIG. 1

FIG. 2

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640

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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