Chrysler New Yorker. Manual - part 491

TEST 2A

REPAIRING ALL DOORS FAILING TO LOCK AND UNLOCK FROM ANY SWITCH

Perform TEST 1A Before Proceeding

FIG. 1

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TEST 2A

REPAIRING ALL DOORS FAILING TO LOCK AND UNLOCK FROM ANY SWITCH

Perform TEST 1A Before Proceeding

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

WITH THE DRB ENTER

"BODY COMPUTER"

DO THE DOORS LOCK 

NO 

PERFORM TEST 

START TEST 2A.

THEN "ACTUATORS"

DURING ACTUATION? 

2B.

AND ACTUATE THE
DOOR LOCK RELAY. 

YES

WITH THE DRB ENTER

STOP THE

"SENSORS" AND READ 

IS THE VOLTAGE

YES

PERFORM TEST 

ACTUATION. THE DOOR 

LOCK 

ABOVE 0.2 VOLTS? 

2C.

SWITCH VOLTAGE. 

NO 

IS THE VOLTAGE

WITH THE DRB, READ 

PRESS THE DOOR 

ABOVE 1.7 VOLTS

YES

REPLACE THE BODY 

THE DOOR LOCK 

LOCK SWITCH TO THE

WITH THE SWITCH 

CONTROL MODULE.* 

SWITCH VOLTAGE. 

LOCK POSITION.

PRESSED? 

NO 

DISCONNECT THE RIGHT

REMOVE THE RIGHT

DOOR LOCK SWITCH 

FRONT DOOR TRIM 

HARNESS CONNECTOR.** 

PANEL. 

FIG. 1

WITH A VOLTMETER, 
MEASURE THE FUSED

IS THE VOLTAGE

NO 

REPAIR THE OPEN 

B (+) CIRCUIT. ABOVE 10.0 

VOLTS? 

FUSED B (+)

CIRCUIT.*

FIG. 1

YES

KEY OFF. WITH AN 

OHMMETER, MEASURE

IS THE RESISTANCE 

NO 

REPLACE THE RF 

BETWEEN GND AND THE

BELOW 5.0 OHMS?

DOOR LOCK SWITCH.* 

THE RF DOOR SWITCH 

MUX CKT. FIG. 1

YES

CONTINUE TEST 
2A ON THE NEXT 

PAGE.

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TEST 2A

CONTINUED - REPAIRING ALL DOORS FAILING TO LOCK AND UNLOCK FROM ANY
SWITCH

FIG. 1

FIG. 2

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564

TEST 2A

CONTINUED - REPAIRING ALL DOORS FAILING TO LOCK AND UNLOCK FROM ANY
SWITCH

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 2A 

CONTINUED FROM REMOVE 

THE LEFT 

THE PREVIOUS FRONT DOOR 

TRIM 

PAGE.

PANEL. 

DISCONNECT THE

WITH AN OHMMETER,

LEFT DOOR LOCK 

MEASURE BETWEEN

IS THE RESISTANCE 

NO 

REPLACE THE LF 

SWITCH HARNESS

GROUND AND THE LF 

BELOW 5.0 OHMS?

DOOR LOCK SWITCH.* 

CONNECTOR.** 

DOOR SWITCH MUX

FIG. 1

CKT. FIG. 1

YES

DISCONNECT THE

WITH AN OHMMETER,

REPAIR THE LF DOOR 

BODY CONTROL

MEASURE BETWEEN

IS THE RESISTANCE 

YES

SWITCH MUX CIRCUIT

MODULE C4 HARNESS

GROUND AND THE LF 

BELOW 5.0 OHMS?

FOR A SHORT TO 

CONNECTOR.** 

DOOR SWITCH MUX

GROUND.* 

CKT. FIG. 2

NO 

WITH AN OHMMETER,

REPAIR THE RF DOOR 

MEASURE BETWEEN

IS THE RESISTANCE 

YES

SWITCH MUX CIRCUIT

GROUND AND THE RF 

BELOW 5.0 OHMS?

FOR A SHORT TO 

DOOR SWITCH MUX

GROUND.* 

CKT. FIG. 2

NO 

REPLACE THE BODY 
CONTROL MODULE.* 

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