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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592

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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