Nissan Tiida C11. Manual - part 1166

SEC-36

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

P1610 LOCK MODE

P1610 LOCK MODE

Description

INFOID:0000000001404088

When the starting operation is carried more than five times consecutively under the following conditions, NATS
will shift to the mode which prevents the engine from being started.
• Unregistered mechanical key is used.
• BCM or ECM's malfunctioning.

DTC Logic

INFOID:0000000001404089

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 

SEC-36, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000001404090

1.

CHECK ENGINE START FUNCTION

1.

Perform the check for DTC except DTC P1610.

2.

Use CONSULT-III to erase DTC after fixing.

3.

Check that engine can start with registered mechanical key.

Does the engine start?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK INTERMITTENT INCIDENT

Refer to @@@.

>> INSPECTION END

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

P1610

LOCK MODE

When the starting operation is carried out 
five or more times consecutively under the 
following conditions.
• Unregistered mechanical key
• BCM or ECM's malfunctioning.

—

POWER SUPPLY AND GROUND CIRCUIT

SEC-37

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

POWER SUPPLY AND GROUND CIRCUIT

INTELLIGENT KEY UNIT

INTELLIGENT KEY UNIT : Diagnosis Procedure

INFOID:0000000001532053

1.

CHECK FUSES

Check that the following fuses are not blown.

Are the fuses 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

ACC

ON

Intelligent Key unit

Ground

Connector

Terminal

M52

11

Battery voltage

Battery voltage

Battery voltage

10

0V

Battery voltage

Battery voltage

6

0V

Battery voltage

Battery voltage

SEC-38

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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:0000000001532054

Refer to 

BCS-30, "Diagnosis Procedure"

.

WIIA1172E

Intelligent Key unit

Ground

Continuity

Connector

Terminal

M52

12

Yes

KEY SWITCH

SEC-39

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

KEY SWITCH

Description

INFOID:0000000001532049

Key switch detects that mechanical key is inserted into the key cylinder, and then transmits the signal to Intel-
ligent Key unit.

Component Function Check

INFOID:0000000001532050

1.

CHECK KEY SWITCH INPUT SIGNAL

Check key switch (“KEY SW”) in “Data Monitor” mode with CONSULT-III. Refer to 

DLK-50, "DOOR LOCK :

CONSULT-III Function (BCM - DOOR LOCK)"

.

Is the inspection result normal?

YES

>> Key switch is OK.

NO

>> Refer to 

SEC-39, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001532051

1.

CHECK KEY SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect Intelligent Key unit connector.

3.

Check voltage between Intelligent Key unit harness connector
and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 2.

2.

CHECK KEY SWITCH POWER SUPPLY CIRCUIT

1.

Remove mechanical key from key cylinder.

2.

Disconnect key switch and ignition knob switch connector.

Monitor item

Condition

KEY SW

Insert mechanical key into key cylinder

: ON

Remove mechanical key from key cylinder

: OFF

WIIA1173E

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key unit con-

nector

Terminal 

M52

7

Ground

Insert mechanical key into key 

cylinder

Battery voltage

Remove mechanical key from 

key cylinder

0