Nissan Versa Note. Manual - part 620

PCS-90

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2618 BCM

B2618 BCM

DTC Logic

INFOID:0000000009579020

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

 PERFORM SELF DIAGNOSTIC RESULT

1. Turn ignition switch to ON, and wait for 1 second or more.

2. Check Self Diagnosis Result of BCM with CONSULT. 
Is DTC B2618 detected?

YES

>> Refer to 

PCS-90, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009579021

Regarding Wiring Diagram information, refer to 

PCS-72, "Wiring Diagram"

.

1.

CHECK IGNITION RELAY-1 CONTROL SIGNAL VOLTAGE 

Check voltage between IPDM E/R connector E47 and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-31, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK IGNITION RELAY-1 CONTROL SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M98 and IPDM E/R connector E47.

3. Check continuity between BCM connector M98 and IPDM E/R connector E47.

4. Check continuity between BCM connector M98 and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-70, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

CONSULT Display

DTC Detection Condition

Possible Cause

BCM
[B2618]

An immediate operation of ignition relay-1 is request-
ed by BCM, but there is no response for more than 1 
second

• Harness or connectors 
• BCM
• IPDM E/R

IPDM E/R

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

E47

90

—

Ignition: ON

Battery voltage

BCM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M98

98

E47

90

Yes

BCM

Ground

Continuity

Connector

Terminal

M98

98

No

PCS

B261A PUSH-BUTTON IGNITION SWITCH

PCS-91

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

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B

A

O

P

N

B261A PUSH-BUTTON IGNITION SWITCH

DTC Logic

INFOID:0000000009579022

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

 PERFORM SELF DIAGNOSTIC RESULT

1. Turn ignition switch to ON, and wait for 1 second or more.

2. Check Self Diagnosis Result of BCM with CONSULT. 
Is DTC B261A detected?

YES

>> Refer to 

PCS-91, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009579023

Regarding Wiring Diagram information, refer to 

PCS-72, "Wiring Diagram"

.

1.

 CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL (PUSH-BUTTON IGNITION SWITCH)

1. Disconnect push-button ignition switch connector.

2. Check voltage between push-button ignition switch connector M25 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

 CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)

Check voltage between IPDM E/R connector E47 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace IPDM E/R. Refer to 

PCS-31, "Removal and Installation"

.

3.

 CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (IPDM E/R)

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector E47 and BCM connector M98.

3. Check continuity between IPDM E/R connector E47 and push-button ignition switch connector M25.

CONSULT Display

DTC Detection Condition

Possible Cause

PUSH-BUTTON IGNITION 
SWITCH
[B261A]

 BCM detects a difference of signal for 1 second or 
more between the following information: 
• Power supply position by push-button ignition 

switch.

• Power supply position from IPDM E/R (CAN).

• Harness or connectors
• Push-button ignition switch
• BCM

Push-button ignition switch

Ground

Voltage

(Approx.)

Connector

Terminal

M25

8

—

Battery voltage

IPDM E/R

Ground

Voltage

(Approx.)

Connector

Terminal

E47

81

—

Battery voltage

PCS-92

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B261A PUSH-BUTTON IGNITION SWITCH

4. Check continuity between IPDM E/R connector E47 and ground.

Is the inspection result normal?

YES

>> Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace harness or connectors.

4.

 CHECK IGNITION SWITCH OUTPUT SIGNAL (BCM)

Check voltage between BCM connector M98 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace BCM. Refer to 

BCS-70, "Removal and Installation"

.

5.

 CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

1. Turn ignition switch OFF.

2. Disconnect BCM connector M98 and IPDM E/R connector E47.

3. Check continuity between BCM connector M98 and push-button ignition switch connector M25.

4. Check continuity between BCM connector M98 and ground.

Is the inspection result normal?

YES

>> Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair or replace harness or connectors.

IPDM E/R

Push-button ignition switch

Continuity

Connector

Terminal

Connector

Terminal

E47

81

M25

8

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

E47

81

—

No

BCM

Ground

Voltage

(Approx.)

Connector

Terminal

M98

76

—

Battery voltage

BCM

Push-button ignition switch

Continuity

Connector

Terminal

Connector

Terminal

M98

76

M25

8

Yes

BCM

Ground

Continuity

Connector

Terminal

M98

76

—

No

PCS

B26F1 IGNITION RELAY

PCS-93

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

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J

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L

B

A

O

P

N

B26F1 IGNITION RELAY

DTC Logic

INFOID:0000000009579024

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM SELF DIAGNOSTIC RESULT

1. Turn ignition switch to ON, and wait for 2 seconds or more.

2. Check Self Diagnosis Result of BCM with CONSULT. 
Is DTC B26F1 detected?

YES

>> Go to 

PCS-93, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009579025

Regarding Wiring Diagram information, refer to 

PCS-72, "Wiring Diagram"

.

1.

CHECK IPDM E/R SELF-DIAGNOSTIC RESULT

1. Erase IPDM E/R DTCs.

2. Turn ignition switch OFF.

3. Turn ignition switch ON.

4. Perform Self Diagnostic Result of IPDM E/R with CONSULT.
Are any DTCs detected?

YES

>> Refer to 

PCS-21, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK IGNITION RELAY-1 CONTROL SIGNAL (IPDM E/R)

Check voltage between BCM connector M98 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace BCM. Refer to 

BCS-70, "Removal and Installation"

.

3.

CHECK IGNITION RELAY-1 CONTROL SIGNAL CIRCUIT (IPDM E/R)

1. Turn ignition switch OFF.

2. Disconnect BCM connector M98 and IPDM E/R connector E47.

3. Check continuity between BCM connector M98 and IPDM E/R connector E47.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-31, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

CONSULT Display

DTC detecting condition

Possible cause

IGN RELAY OFF
[B26F1]

BCM transmits the ignition relay control signal, but 
does not receive ignition switch ON signal (CAN) 
from IPDM E/R.

• Harness or connectors
• BCM
• IPDM  E/R

BCM

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M98

98

—

Ignition: ON

0 V

BCM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M98

98

E47

90

Yes