Nissan Cube. Manual - part 807

B2192 ID DISCORD, IMMU-ECM

SEC-39

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Can the system be initialized and can the engine be started with registered Intelligent Key?

YES

>> INSPECTION END

NO

>> GO TO 5.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

SEC-40

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2193 CHAIN OF ECM-IMMU

B2193 CHAIN OF ECM-IMMU

Description

INFOID:0000000009950114

BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is success-
fully verified. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication
with ECM if ignition switch is turned ON.

DTC Logic

INFOID:0000000009950115

DTC DETECTION LOGIC

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

BCS-40, "DTC Logic"

.

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

BCS-41, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-40, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950116

1.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-88, "Removal and Installation"

.

2.

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

Does the engine start?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

REPLACE ECM

Replace ECM. Refer to 

SEC-9, "ECM : Special Repair Requirement"

.

>> INSPECTION END

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2193

CHAIN OF ECM-BCM

Inactive communication between ECM and BCM

• Harness or connectors

(The CAN communication line 
is open or shorted)

• BCM 
• ECM

B2195 ANTI-SCANNING

SEC-41

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

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SEC

N

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P

B2195 ANTI-SCANNING

Description

INFOID:0000000009950117

When ignition switch is turned ON, BCM performs ID verification with ECM. If ID verification that is out of the
specified specification is detected, BCM prohibits further ID verification and engine cranking.

DTC Logic

INFOID:0000000009950118

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Refer to 

SEC-41, "Diagnosis Procedure"

.

NO

>> INSPECTION END.

Diagnosis Procedure

INFOID:0000000009950119

1.

CHECK SELF-DIAGNOSIS RESULT-1

1.

Perform “Self-diagnosis result” of BCM using CONSULT.

2.

Erase DTC.

3.

Perform DTC Confirmation Procedure. Refer to 

SEC-41, "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

>> GO TO 4.

3.

CHECK SELF-DIAGNOSIS RESULT-2

1.

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

2.

Perform “Self-diagnosis result” of BCM using CONSULT.

3.

Erase DTC.

4.

Perform DTC Confirmation Procedure. Refer to 

SEC-41, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-88, "Removal and Installation"

.

2.

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

>> 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-42

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2198 NATS ANTENNA AMP.

B2198 NATS ANTENNA AMP.

Description

INFOID:0000000009950123

Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of start of engine when an unregistered ID of Intelligent Key is used.

DTC Logic

INFOID:0000000009950124

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1.

Intelligent Key backside is contacted to push-button ignition switch.

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-42, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1.

Press the push-button ignition switch.

2.

Check “Self-diagnosis result” using CONSULT.

Is DTC detected?

YES

>> Go to 

SEC-42, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009950125

1.

CHECK FUSE

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

Is the fuse fusing?

YES

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

NO

>> GO TO 2.

2.

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.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

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.
• BCM

Signal name

Fuse No.

Battery power supply

43

(+)

(–)

Voltage (V)

(Approx.)

NATS antenna amp.

Connector

Terminal

M26

1

Ground

Battery voltage