Nissan Tiida C11. Manual - part 218

DLK-282

< COMPONENT DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

U1010 CONTROL UNIT (CAN)

U1010 CONTROL UNIT (CAN)

Description

INFOID:0000000001396718

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart, refer to 

XX-XX, "*****"

.

DTC Logic

INFOID:0000000001396719

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000001396720

1.

REPLACE INTELLIGENT KEY UNIT

When DTC [U1010] is detected, replace Intelligent Key unit.

>> Replace Intelligent Key unit. Refer to 

SEC-79, "Removal and Installation"

.

Special Repair Requirement

INFOID:0000000001396721

1.

REQUIRED WORK WHEN REPLACING INTELLIGENT KEY UNIT

Initialize control unit. Refer to CONSULT-III operation manual.

>> Work end.

DTC

CONSULT-III display de-

scription

DTC Detection Condition

Possible cause

U1010

CONTROL UNIT (CAN)

When detecting error during the initial diagnosis of CAN control-
ler of Intelligent Key unit.

Intelligent Key unit

B2552 INTELLIGENT KEY

DLK-283

< COMPONENT DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2552 INTELLIGENT KEY

Description

INFOID:0000000001396722

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

DTC Logic

INFOID:0000000001396723

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-283, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000001396724

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-283, "DTC Logic"

.

Special Repair Requirement

INFOID:0000000001396725

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

DLK-284

< COMPONENT DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

INTELLIGENT KEY UNIT

INTELLIGENT KEY UNIT : Diagnosis Procedure

INFOID:0000000001530262

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

POWER SUPPLY AND GROUND CIRCUIT

DLK-285

< COMPONENT DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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:0000000001530263

Refer to 

BCS-30, "Diagnosis Procedure"

.

WIIA1172E

Intelligent Key unit

Ground

Continuity

Connector

Terminal

M52

12

Yes