Nissan Tiida C11. Manual - part 190

DLK-170

< ECU DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

INTELLIGENT KEY UNIT

ALKIA1143GB

INTELLIGENT KEY UNIT

DLK-171

< ECU DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Fail Safe

INFOID:0000000001396640

DTC Inspection Priority Chart

INFOID:0000000001396641

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

DTC Index

INFOID:0000000001396642

NOTE:

Details of time display

• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-

tion switch OFF 

→

 ON again.

• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1

→

 2 

→

 3...38 

→

 39 after returning to the normal condition whenever ignition switch OFF 

→

 ON. The counter

remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF 

→

 ON after returning to the normal condition if the malfunction is detected again.

Display contents of CONSULT-III

Fail-safe

Cancellation

B2013: STRG COMM 1

• Inhibits steering look unlocking

Erase DTC

B2552: INTELLIGENT KEY

• Inhibits steering look unlocking
• Inhibits  engine cranking

(BCM)

• Fuel  cut

(ECM)

Erase DTC

B2590: NATS MALFUNCTION

• Inhibits steering look unlocking
• Inhibits  engine cranking

(BCM)

• Fuel  cut

(ECM)

Erase DTC

Priority

DTC

1

• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
• B2552: INTELIGENT KEY

2

• B2013: STRG COMM 1
• B2590: NATS MALFUNCTION

CONSULT display

Detection condition

Fail-safe

Diagnosis

No DTC is detected.
further testing
may be required.

—

—

—

U1000: CAN COMM CIRCUIT

Intelligent Key unit cannot receive CAN communi-
cation signal continuously for 2 seconds or more.

—

Check CAN communi-
cation system.
Refer to 

DLK-56

U1010: CONTROL UNIT (CAN)

Intelligent Key unit detects internal CAN communi-
cation circuit malfunction.

—

Replace Intelligent Key 
unit.

B2013: STRG COMM 1

The ID verification result between Intelligent key 
unit and steering lock unit are NG. Or Intelligent Key 
unit cannot communicate with steering lock unit.

×

Perform steering lock 
unit ID registration with 
CONSULT-III

B2552: INTELLIGENT KEY

Intelligent Key unit internal malfunction.

×

Replace Intelligent Key 
unit.

B2590: NATS MALFUNCTION

The ID verification result between Intelligent key 
unit and BCM are NG. Or Intelligent Key unit cannot 
communicate with BCM.

×

Check NATS
Refer to 

XX-XX, "*****"

DLK-172

< ECU DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE)

Reference Value

INFOID:0000000001396643

VALUES ON THE DIAGNOSIS TOOL

Refer to 

BCS-35, "Reference Value"

.

Wiring Diagram - POWER DOOR LOCK SYSTEM -

INFOID:0000000001396637

ALKWA0102GB

BCM (BODY CONTROL MODULE)

DLK-173

< ECU DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

ALKWA0103GB