Nissan Qashqai (2007-2010). Manual - part 1208

SEC-32

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2013 ID DISCORD I-KEY-STRG

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK STEERING LOCK UNIT GROUND CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Check continuity between Intelligent Key unit harness connector and steering lock unit harness connector.

3.

Check continuity between Intelligent Key unit connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT

1.

Connect Intelligent Key unit and steering lock unit connectors.

2.

Check voltage between steering lock unit connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

SEC-49, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace steering lock unit.

NO

>> Repair or replace malfunctioning parts.

Intelligent Key unit connector

Terminal

Steering lock unit connector

Terminal

Continuity 

M40

31

M28

4

Existed

Intelligent Key unit connector

Terminal

Ground

Continuity 

M40

31

Ground

Not existed

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

Steering lock 

unit connector

Terminal 

M28

3

Ground

Steering 
lock

LOCK status

Battery voltage

LOCK 

⇔

 UNLOCK

For 15 seconds after 
UNLOCK

Battery voltage

15 seconds later UN-
LOCK

0

JMKIA0433ZZ

B2190, P1614 NATS ANTENNA AMP.

SEC-33

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

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SEC

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B2190, P1614 NATS ANTENNA AMP.

Description

INFOID:0000000001109193

Performs ID verification through BCM and NATS antenna amplifier when ignition knob switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.

DTC Logic

INFOID:0000000001109194

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Insert mechanical key into the key cylinder.

2.

Press the ignition knob switch.

3.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to 

SEC-33, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000001109195

1.

CHECK NATS ANTENNA AMP. INSTALLATION

Check NATS antenna amp. installation. Refer to 

SEC-152, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Reinstall NATS antenna amp. correctly.

2.

CHECK MECHANICAL KEY

Start engine with another registered mechanical key.

Does the engine start?

YES

>> Replace mechanical key. Perform initialization and registration of mechanical key. Refer to “”

NO

>> GO TO 3.

3.

CHECK NATS ANTENNA AMP. POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect NATS antenna amp. harness connector.

3.

Check voltage between NATS antenna amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK NATS ANTENNA AMP. GROUND CIRCUIT

Check continuity between NATS antenna amp. connector and ground.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2190

NATS ANTENNA 
AMP

• Inactive communication between NATS antenna 

amp. and BCM.

• Mechanical key is malfunctioning.

• Harness or connectors

(The NATS antenna amp. circuit is 
open or shorted)

• Mechanical key
• NATS antenna amp.
• BCM

P1614

NATS antenna amp.

Ground

Voltage [V]

(approx.)

Connector

Terminal

M26

1

Ground

Battery voltage

SEC-34

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2190, P1614 NATS ANTENNA AMP.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace circuit.

5.

CHECK NATS ANTENNA AMP. SIGNAL CIRCUIT

Check voltage between NATS antenna amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace circuit.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace NATS antenna amp.

NO

>> Repair or replace malfunctioning parts.

Key slot

Ground

Continuity

Connector

Terminal

M26

3

Ground

Existed

NATS antenna amp.

Ground

Condition

Voltage [V]

(approx.)

Connector

Terminal

M26

2

Ground

Just after inserting mechanical key in 
key cylinder.

Pointer of tester should 
move.

4

Other than above.

0

B2191, P1615 DIFFERENCE OF KEY

SEC-35

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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B2191, P1615 DIFFERENCE OF KEY

Description

INFOID:0000000000944544

Performs ID verification through BCM when ignition knob switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of mechanical key is used.

DTC Logic

INFOID:0000000000944545

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Insert mechanical key into the key cylinder.

2.

Press the ignition knob switch.

3.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Refer to

SEC-35, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000000944546

1.

PERFORM INITIALIZATION

Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to “CONSULT-III Operation Manual NATS”.

Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

>> Mechanical key was unregistered.

NO

>>

BCM is malfunctioning.

• Replace BCM. Refer to 

BCS-64, "Removal and Installation"

.

• Perform initialization again

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2191

DIFFERENCE OF 
KEY

The ID verification results between BCM and me-
chanical key are NG. The registration is necessary.

• Mechanical key 

P1615