Nissan March K13. Manual - part 577

B2192 ID DISCORD, IMMU-ECM

SEC-47

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

NO

>> GO TO 5.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-33, "Intermittent Incident"

.

>> INSPECTION END

SEC-48

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2193 CHAIN OF ECM-IMMU

B2193 CHAIN OF ECM-IMMU

DTC Logic

INFOID:0000000006038518

DTC DETECTION LOGIC

NOTE:
• If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-47, "DTC Logic"

.

• If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-48, "DTC 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

>> Go to 

SEC-48, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006038519

1.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

2.

Perform initialization of BCM using CONSULT-III.
For initialization procedure, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

Does the engine start?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE ECM

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

B2193

CHAIN OF BCM-ECM

Inactive communication between BCM 
and ECM

• Harness or connectors

(The CAN communication line is open or 
shorted.)

• BCM 
• ECM

B2195 ANTI-SCANNING

SEC-49

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2195 ANTI-SCANNING

DTC Logic

INFOID:0000000006038520

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-49, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000006038521

1.

CHECK SELF DIAGNOSTIC RESULT 1

1.

Select “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to 

SEC-49, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

CHECK EQUIPMENT OF THE VEHICLE

Check that unspecified accessory part related to engine start is not installed.

Is unspecified accessory part related to engine start installed?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

3.

CHECK SELF DIAGNOSTIC RESULT 2

1.

Obtain the customers approval to remove unspecified accessory part related to engine start, and then
remove it.

2.

Select “Self Diagnostic Result” of “BCM” using CONSULT-III.

3.

Erase DTC.

4.

Perform DTC CONFIRMATION PROCEDURE for DTC B2195. Refer to 

SEC-49, "DTC Logic"

.

Is DTC detected?

YES

>> Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

NO

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2195

ANTI-SCANNING

ID verification between BCM and ECM that is 
out of the specified specification is detected.

ID verification request out of the 
specified specification

SEC-50

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2198 NATS ANTENNA AMP.

B2198 NATS ANTENNA AMP.

DTC Logic

INFOID:0000000006038522

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1.

Contact Intelligent Key backside to push-button ignition switch.

2.

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

Is DTC detected?

YES

>> Go to 

SEC-50, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1.

Press the push-button ignition switch.

2.

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

Is DTC detected?

YES

>> Go to 

SEC-50, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006038523

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

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

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the cause of blowing.

NO

>> GO TO 2.

2.

CHECK NATS ANTENNA AMP. POWER SUPPLY

1.

Disconnect NATS antenna amp. connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

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.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2198

NATS ANTENNA AMP.

Inactive communication between NATS 
antenna amp. and BCM

• Harness or connectors

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

• NATS antenna amp.
• BCM

Signal name

Fuse No.

Battery power supply

49

(+)

(–)

Voltage (V)

(Approx.)

NATS antenna amp.

Connector

Terminal

M26

1

Ground

Battery voltage