Nissan Tiida C11. Manual - part 162

DLK-58

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

B2552 INTELLIGENT KEY

B2552 INTELLIGENT KEY

Description

INFOID:0000000001396514

Intelligent key unit performs engine start operation and steering lock control by crosschecking ID with the Intel-
ligent key.

DTC Logic

INFOID:0000000001396515

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to 

DLK-58, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000001396516

1.

REPLACE INTELLIGENT KEY UNIT

1.

Replace Intelligent Key unit. Refer to 

SEC-79, "Removal and Installation"

.

2.

Perform initialization with CONSULT-III. Re-register all mechanical keys. Refer to “CONSULT-III operation
manual NATS-IVIS/NVIS”.

3.

Start the engine.

Does the engine start?

YES

>> INSPECTION END

NO

>> Perform “DTC confirmation procedure”. Refer to 

DLK-58, "DTC Logic"

.

Special Repair Requirement

INFOID:0000000001396517

1.

REQUIRED WORK WHEN REPLACING INTELLIGENT KEY UNIT

Initialize control unit. Refer to CONSULT-III Operation Manual.

>> Work end.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2552

INTELLIGENT KEY 
UNIT

Malfunction is detected inside Intelligent 
key unit.

Intelligent Key unit

POWER SUPPLY AND GROUND CIRCUIT

DLK-59

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

POWER SUPPLY AND GROUND CIRCUIT

INTELLIGENT KEY UNIT

INTELLIGENT KEY UNIT : Diagnosis Procedure

INFOID:0000000001396518

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse is not blown.

Is the fuse blown?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector.

3.

Check voltage between Intelligent Key unit harness connector
M52 terminals 6, 10, 11 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Terminal No.

Signal name

Fuse No.

11

Battery power supply

31 (10A)

10

Ignition power supply (ACC/ON)

6 (10A)

6

Ignition power supply (ON/START)

2 (10A)

ALKIA0736ZZ

Terminal

Ignition switch position

(+)

(

−

)

OFF

ON

Intelligent Key unit

Ground

Connector

Terminal

M52

11

Battery voltage

Battery voltage

10

0V

Battery voltage

6

0V

Battery voltage

DLK-60

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

POWER SUPPLY AND GROUND CIRCUIT

Check continuity between Intelligent Key unit harness connector and
ground.

Is the inspection result normal?

YES

>> Intelligent Key unit power supply and ground circuit are OK.

NO

>> Repair harness or connector.

BCM

BCM : Diagnosis Procedure

INFOID:0000000001396519

Refer to 

BCS-30, "Diagnosis Procedure"

.

WIIA1172E

Intelligent Key unit

Ground

Continuity

Connector

Terminal

M52

12

Yes

DOOR LOCK AND UNLOCK SWITCH

DLK-61

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT 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:0000000001396520

Transmits door lock/unlock operation to BCM.

Component Function Check

INFOID:0000000001396521

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-61, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001396522

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