Chrysler New Yorker. Manual — part 496

TEST 4A

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

FIG. 1

FIG. 2

FIG. 3

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582

TEST 4A

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

*Perform Verification TEST VER-2A.

**Check connectors - Clean / repair as necessary.

TEST 4A

CONTINUED FROM REMOVE

THE

THE PREVIOUS APPROPRIATE DOOR

PAGE.

TRIM PANEL.

DISCONNECT THE DOOR

USING A VOLTMETER,

KEY CYLINDER SWITCH

MEASURE THE FUSED

IS THE VOLTAGE

NO

REPAIR THE OPEN

HARNESS CONNECTOR.**

B(+) CIRCUIT.

ABOVE 10.0 VOLTS?

FUSED B(+)
CIRCUIT.*

FIGS. 1 OR 2

FIGS. 1 OR 2

YES

WITH AN OHMMETER,

REPAIR THE VTSS

MEASURE BETWEEN

IS THE RESISTANCE

YES

ARM/DISARM SENSE

GROUND AND THE VTSS

BELOW 5.0 OHMS?

CIRCUIT FOR A SHORT

ARM/DISARM SENSE

TO GROUND. IF OK,

CKT. FIGS. 1 OR 2

REPLACE THE BCM.*

NO

CONNECT A JUMPER WITH

THE DRB ENTER

WIRE BETWEEN THE

"BODY COMPUTER" THEN

IS THE VOLTAGE

YES

REPLACE THE DOOR

FUSED B(+)

AND VTSS "SENSORS" AND READ ABOVE 10.0

VOLTS?

KEY CYLINDER

ARM/DISARM SENSE

THE APPROPRIATE DOOR

SWITCH.*

CKTS. FIGS. 1 OR 2

ARM/DISARM SW VOLTS.

NO

DISCONNECT THE BODY

USING A VOLTMETER,

CONTROL MODULE C4

MEASURE THE VTSS

HARNESS CONNECTOR. ARM/DISARM

SENSE

CKT.

SEE GENERAL INFO 4.0

FIG. 3

NOTE: ENSURE THE
JUMPER FROM THE

IS THE VOLTAGE

NO

REPAIR THE OPEN

PREVIOUS STEP IS

ABOVE 10.0 VOLTS?

VTSS ARM/DISARM

STILL CONNECTED.

SENSE CIRCUIT.*

YES

REPLACE THE BODY
CONTROL MODULE.*

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583

TEST 5A

REPAIRING ALL DOORS FAILING TO LOCK FROM ANY SWITCH

Perform TEST 1A Before Proceeding

FIG. 1

FIG. 2

FIG. 3

FIG. 4

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584

TEST 5A

REPAIRING ALL DOORS FAILING TO LOCK 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"

IS THE VOLTAGE

YES

PERFORM TEST

START TEST 5A.

THEN "SENSORS" AND

ABOVE 0.2 VOLTS?

2C.

READ THE DOOR LOCK

SWITCH VOLTAGE.

NO

REMOVE THE DOOR

USING A VOLTMETER,

LOCK RELAY.

MEASURE BOTH FUSED

IS THE VOLTAGE

NO

REPLACE THE

B(+) CIRCUITS.

ABOVE 10.0 VOLTS

JUNCTION BLOCK.*

ON BOTH CIRCUITS?

FIG. 1

FIG. 1

YES

REMOVE THE DOOR

USING AN OHMMETER,

REPAIR THE LOCK OR

UNLOCK RELAY AND

MEASURE BETWEEN

IS THE RESISTANCE

YES

UNLOCK RELAY OUTPUT

THE LF DOOR UNLOCK

GROUND AND THE LOCK

BELOW 20.0 OHMS?

CKTS FOR A SHORT TO

RELAY.

RELAY OUTPUT CIRCUIT

GROUND. IF OK,

FIGS. 2 & 3

(CAVITY 81). FIG. 1

REPLACE THE J/B.*

NO

CONNECT A TEST LIGHT

WITH THE DRB,

DOES THE TEST

BETWEEN CAVITIES

83 ACTUATE THE DOOR LIGHT FLASH ON

AND

NO

CONTINUED TEST

& 85 OF THE DOOR

LOCK RELAY AND

OFF WHEN THE RELAY

5A ON THE NEXT

LOCK 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.*

79 OF THE UNLOCK

RELAY CONN. FIG. 2

YES

USING AN OHMMETER,
MEASURE RESISTANCE IS

THE RESISTANCE

NO

REPLACE THE UNLOCK

BETWEEN TERM 30 AND

BELOW 5.0 OHMS?

RELAY.*

87A OF THE UNLOCK

RELAY. FIG. 4

YES

REPLACE THE LOCK

RELAY.*

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