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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