Nissan Tiida C11. Manual - part 271

DLK-494

< COMPONENT DIAGNOSIS >

[WITHOUT I-KEY & SUPER LOCK]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000001530617

Refer to 

BCS-30, "Diagnosis Procedure"

.

DOOR LOCK AND UNLOCK SWITCH

DLK-495

< COMPONENT DIAGNOSIS >

[WITHOUT I-KEY & SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR LOCK AND UNLOCK SWITCH

Description

INFOID:0000000001530618

Transmits door lock/unlock operation to BCM.

Component Function Check

INFOID:0000000001530619

1.

CHECK FUNCTION

With CONSULT-III

Check “CDL LOCK SW ”and “CDL UNLOCK SW” in “Data Monitor” mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> Refer to 

DLK-495, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001530620

1.

CHECK DOOR LOCK AND UNLOCK INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect door lock and unlock switch connector.

3.

Using an oscilloscope, check voltage between door lock and
unlock switch harness connector (A) D7 terminal 6, connector
(B) D8 terminal 18 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

ALKIA0737ZZ

Terminal

Signal

(Reference value)

(+)

(–)

Door lock and unlock switch 

connector

Terminal 

D7

6

Ground

D8

18

JPMIA0154GB

DLK-496

< COMPONENT DIAGNOSIS >

[WITHOUT I-KEY & SUPER LOCK]

DOOR LOCK AND UNLOCK SWITCH

2.

CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM connector (A) M18 terminals 6,
25 and door lock and unlock switch connector (B) D7 terminal 6,
connector (C) D8 terminal 18.

4.

Check continuity between BCM connector (A) M18 terminals 6, 25 and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK DOOR LOCK AND UNLOCK SWITCH GROUND 

Check continuity between main power window and door lock/unlock
switch connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

4.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

ALKIA0738ZZ

BCM connector

Terminal

Door lock and unlock 

switch connector

Terminal

Continuity 

M18

6

D8

18

Yes

25

D7

6

BCM connector

Terminal

Ground

Continuity

M18

6

No

25

LIIA0392E

Main power window and door lock/unlock 

switch connector

Terminal

Ground

Continuity 

D8

17

Yes

DOOR LOCK AND UNLOCK SWITCH

DLK-497

< COMPONENT DIAGNOSIS >

[WITHOUT I-KEY & SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

2.

Check signal between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 6.

5.

CHECK DOOR LOCK AND UNLOCK SWITCH

Check door lock and unlock switch
Refer to 

DLK-497, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace door lock and unlock switch. Refer to 

XX-XX, "*****"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to @@@.

>> INSPECTION END

Component Inspection

INFOID:0000000001530621

1.

CHECK DOOR LOCK AND UNLOCK SWITCH

Check continuity between main power window and door lock/unlock
switch terminals.

ALKIA0739ZZ

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M18

6

Ground

25

JPMIA0154GB

ALKIA0740ZZ