Chrysler New Yorker. Manual — part 498

TEST 7A

REPAIRING ALL DOORS FAILING TO UNLOCK FROM ANY SWITCH

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

FIG. 4

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TEST 7A

REPAIRING ALL DOORS FAILING TO UNLOCK FROM ANY SWITCH

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

REMOVE THE DOOR

UNLOCK RELAY.

START TEST 7A.

FIG. 1

WITH A VOLTMETER,
MEASURE BOTH FUSED

IS THE VOLTAGE

NO

REPLACE THE

B (+) CIRCUITS.

ABOVE 10.0 VOLTS

JUNCTION BLOCK.*

ON BOTH CIRCUITS?

FIG. 1

YES

REMOVE THE DOOR

USING AN OHMMETER,

REPAIR THE LOCK OR

LOCK RELAY AND THE

MEASURE BETWEEN

IS THE RESISTANCE

YES

UNLOCK RELAY OUTPUT

LF DOOR UNLOCK

GROUND AND THE

BELOW 5.0 OHMS?

CIRCUIT FOR A SHORT

RELAY.

UNLOCK RELAY OUTPUT

TO GROUND. IF OK,

FIGS. 2 & 3

CKT (CAV 76). FIG. 1

REPLACE THE J/B.*

NO

CONNECT A TEST LIGHT

WITH THE DRB,

DOES THE TEST

BETWEEN CAVITIES 78

ACTUATE THE DOOR

LIGHT FLASH ON AND

NO

CONTINUE TEST

& 80 OF THE DOOR

UNLOCK RELAY AND

OFF WHEN THE RELAY

7A ON THE NEXT

UNLOCK RELAY CONN.

OBSERVE THE TEST

IS ACTUATED?

PAGE.

FIG. 1

LIGHT.

YES

USING AN OHMMETER,

STOP THE

MEASURE BETWEEN

IS THE RESISTANCE

NO

REPLACE THE

ACTUATION.

GROUND AND CAVITY

BELOW 5.0 OHMS?

JUNCTION BLOCK.*

84 OF THE LOCK

RELAY CONN. FIG. 2

YES

WITH AN OHMMETER,
MEASURE RESISTANCE

IS

THE RESISTANCE NO REPLACE THE LOCK

BETWEEN TERMINALS

BELOW 5.0 OHMS?

RELAY.*

30 AND 87A OF THE
LOCK RELAY. FIG. 4

YES

REPLACE THE UNLOCK

RELAY.*

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591

TEST 7A

CONTINUED - REPAIRING ALL DOORS FAILING TO UNLOCK FROM ANY SWITCH

FIG. 1

FIG. 2

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TEST 7A

CONTINUED - REPAIRING ALL DOORS FAILING TO UNLOCK FROM ANY SWITCH

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 7A REMOVE

THE BODY

CONTINUED FROM CONTROL MODULE

THE PREVIOUS FROM

THE JUNCTION

PAGE.

BLOCK.

CONNECT A JUMPER

WITH AN OHMMETER,

WIRE BETWEEN GROUND

MEASURE BETWEEN

AND THE DOOR UNLOCK

GROUND AND THE

RELAY CONN JUNCTION

BLOCK...

CAVITY 80. FIG. 1

20-WAY INTERNAL

CONNECTOR

IS THE RESISTANCE

NO

REPLACE THE

CAVITY 19.

BELOW 5.0 OHMS?

JUNCTION BLOCK.*

FIG. 2

YES

REPLACE THE BODY
CONTROL MODULE.*

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