Infiniti EX35. Manual — part 465

DLK-74

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

BACK DOOR OPENER ACTUATOR

BACK DOOR OPENER ACTUATOR

Description

INFOID:0000000003728888

Back door opener actuator open back door from BCM.

Component Function Check

INFOID:0000000003728889

1.

CHECK FUNCTION

1.

Perform Active Test (“TRUNK/GLASS HATCH”) with CONSULT-III.

2.

Touch “OPEN” and check that back door opens.

Is the inspection result normal?

YES

>> Back door opener actuator is OK.

NO

>> Refer to

DLK-74, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003728890

1.

CHECK OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly.

3.

Check voltage between back door lock assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR OPENER ACTUATOR CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and back door lock assembly (back door opener actu-
ator) harness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-84, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR OPENER ACTUATOR GROUND CIRCUIT

Check continuity between back door lock assembly harness connector and ground.

(+)

(–)

Condition of back door

opener switch

Voltage (V)

(Approx.)

Back door lock assembly

Connector

Terminal

D113

1

Ground

ON

0

→

Battery voltage

→

0

BCM

Back door lock assembly

Continuity

Connector

Terminal

Connector

Terminal

M120

23

D113

1

Existed

BCM

Ground

Continuity

Connector

Terminal

M120

23

Not existed

Back door lock assembly

Ground

Continuity

Connector

Terminal

D113

2

Existed

BACK DOOR OPENER ACTUATOR

DLK-75

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection normal?

YES

>> Replace back door lock assembly. Refer to

DLK-255, "Removal and Installation"

NO

>> Repair or replace harness.

DLK-76

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

KEY CYLINDER SWITCH

KEY CYLINDER SWITCH

Description

INFOID:0000000003728891

Power window main switch detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signals.

Component Function Check

INFOID:0000000003728892

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-III. Refer to

DLK-48, "DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Key cylinder switch is OK.

NO

>> Refer to

DLK-76, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000003728893

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect front door lock assembly (driver side).

3.

Check voltage between front door lock assembly (driver side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT

1.

Disconnect power window main switch connector.

2.

Check continuity between power window main switch harness connector and front door lock assembly
(driver side) harness connector.

3.

Check continuity between power window main switch harness connector and ground.

Monitor item

Condition

KEY CYL LK-SW

Lock

: ON

Neutral / Unlock

: OFF

KEY CYL UN-SW

Unlock

: ON

Neutral / Lock

: OFF

(+)

(–)

Voltage (V)

(Approx.)

Front door lock assembly (driver side)

Connector

Terminal

D15

5

Ground

5

6

Power window main switch

Front door lock assembly (driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

4

D15

6

Existed

6

5

KEY CYLINDER SWITCH

DLK-77

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to

PWC-112, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

Check continuity between front door lock assembly (driver side) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR KEY CYLINDER SWITCH

Check door key cylinder switch.
Refer to

DLK-77, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace front door lock assembly (driver side). Refer to

DLK-222, "DOOR ASSEMBLY : Removal

and Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-38, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000003728894

COMPONENT INSPECTION

1.

CHECK DOOR KEY CYLINDER SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect front door lock assembly (driver side) (key cylinder switch) terminals.

3.

Check front door lock assembly (driver side) (key cylinder switch) terminals.

Is the inspection result normal?

YES

>> Door key cylinder switch is OK.

NO

>> Replace front door lock assembly (driver side). Refer to

DLK-222, "DOOR ASSEMBLY : Removal

and Installation"

.

Power window main switch

Ground

Continuity

Connector

Terminal

D8

4

Not existed

6

Front door lock assembly (driver side)

Ground

Continuity

Connector

Terminal

D15

4

Existed

Terminal

Key position

Continuity

Front door lock assembly (driver side) connector

5

4

Unlock

Existed

Neutral / Lock

Not existed

6

Lock

Existed

Neutral / Unlock

Not existed