Nissan March K13. Manual - part 603

B2190 NATS ANTENNA AMP.

SEC-151

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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B2190 NATS ANTENNA AMP.

DTC Logic

INFOID:0000000006014793

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

Is DTC detected?

YES

>> Refer to 

SEC-151, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006014794

1.

CHECK FUSE

Check that the following IPDM E/R fuse is not blown.

Is the fuse fusing?

YES

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

NO

>> GO TO 2.

2.

CHECK NATS ANTENNA AMP. INSTALLATION

Check NATS antenna amp. Installation. Refer to 

SEC-161, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Reinstall NATS antenna amp. correctly.

3.

CHECK IGNITION KEY

Start engine using another registered ignition key.

Does the engine start?

YES-1 >> Replace ignition key.
YES-2 >> Perform initialization of BCM and reregistration of all ignition keys using CONSULT-III. For initial-

ization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

NO

>> GO TO 4.

4.

CHECK NATS ANTENNA AMP. POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect NATS antenna amp. connector.

3.

Check voltage between NATS antenna amp. harness 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.

• Ignition key is malfunctioning.

• Harness or connectors

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

• Ignition  key
• NATS antenna amp.
• BCM

Signal name

Fuse No.

Battery power supply

49

SEC-152

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2190 NATS ANTENNA AMP.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK NATS ANTENNA AMP. POWER SUPPLY CIRCUIT

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector and NATS antenna amp. connector.

3.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-52, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

CHECK NATS ANTENNA AMP. GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness.

7.

CHECK NATS ANTENNA AMP. SIGNAL

1.

Connect BCM connector and NATS antenna amp. connector.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> GO TO 8.

8.

CHECK NATS ANTENNA AMP. SIGNAL CIRCUIT

(+)

(–)

Voltage (V)

(Approx.)

NATS antenna amp.

Connector

Terminal

M26

1

Ground

Battery voltage

IPDM E/R

NATS antenna amp.

Continuity

Connector

Terminal

Connector

Terminal

F115

71

M26

1

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

F115

71

Not existed

NATS antenna amp.

Ground

Continuity

Connector

Terminal

M26

3

Existed

(+)

(

−

)

Condition

Voltage (V)

(Approx.)

BCM

Connector

Terminal

M65

21

Ground

Just after inserting ignition key into key cylinder

Pointer of tester should 
move

Other than above

0

25

Just after inserting ignition key into key cylinder

Pointer of tester should 
move

Other than above

0

B2190 NATS ANTENNA AMP.

SEC-153

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

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SEC

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1.

Disconnect NATS antenna amp. connector.

2.

Check continuity between BCM harness connector and NATS antenna amp. harness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace NATS antenna amp. Refer to 

SEC-161, "Removal and Installation"

.

NO

>> Repair or replace harness.

9.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-33, "Intermittent Incident"

.

>> INSPECTION END

BCM

NATS antenna amp.

Continuity

Connector

Terminal

Connector

Terminal

M65

21

M26

2

Existed

25

4

BCM

Ground

Continuity

Connector

Terminal

M65

21

Not existed

25

SEC-154

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

B2191 DIFFERENCE OF KEY

B2191 DIFFERENCE OF KEY

DTC Logic

INFOID:0000000006014796

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

Is DTC detected?

YES

>> Refer to 

SEC-154, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006014797

1.

PERFORM INITIALIZATION

Perform initialization of BCM and reregistration of all ignition keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

Can the system be initialized and can the engine be started with reregistered ignition key?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE IGNITION KEY

1.

Replace ignition key.

2.

Perform initialization of BCM and reregistration of all ignition keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

Can the system be initialized and can the engine be started with reregistered ignition key?

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

REPLACE BCM

1.

Replace ECM. Refer to 

EC-524, "Removal and Installation"

 [HR12DE (TYPE 2)].

2.

Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to 

SEC-36, "ECM : Work Procedure"

[HR12DE (TYPE 2)].

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2191

DIFFERENCE OF KEY

The ID verification results between BCM and 
ignition key are NG.

• Ignition  key 
• BCM