Nissan March K13. Manual - part 499

PCS-78

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B2616 IGNITION RELAY CIRCUIT

YES

>> Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK IGNITION RELAY GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between ignition relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair ignition relay ground circuit.

4.

CHECK IGNITION RELAY POWER SUPPLY CIRCUIT-2

1.

Turn ignition switch ON.

2.

Check voltage between ignition relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Check continuity open or short between ignition relay and battery.

5.

CHECK IGNITION RELAY

Refer to 

PCS-78, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace ignition relay.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-33, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000005998925

1.

CHECK IGNITION RELAY

1.

Turn ignition switch OFF.

2.

Remove ignition relay.

3.

Check the continuity between ignition relay terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace Ignition relay

Ignition relay

Ground

Continuity

Terminal

1

Existed

(+)

(–)

Voltage (V)

(Approx.)

Ignition relay

Terminal

5

Ground

Battery voltage

Terminals

Condition

Continuity

3 and 5

12 V direct current supply between terminals 1 and 2

Existed

No current supply

Not existed

PBIB0098E

PCS

B2618 BCM

PCS-79

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

B2618 BCM

DTC Logic

INFOID:0000000005998926

DTC DETECTION LOGIC

NOTE:
• If DTC B2618 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-47, "DTC Logic"

.

• If DTC B2618 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 under the following conditions, and wait for 1 second or more.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” with CONSULT-III. 

Is DTC detected?

YES

>> Go to 

PCS-79, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005998927

1.

INSPECTION START

1.

Turn ignition switch ON.

2.

Select “Self-diagnosis result” mode with CONSULT-III.

3.

Touch “ERASE”.

4.

Perform DTC Confirmation Procedure.
See 

PCS-79, "DTC Logic"

.

Is the 1st trip DTC B2618 displayed again?

YES

>> Replace BCM. Refer to 

BCS-57, "Removal and Installation"

NO

>> INSPECTION END

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2618

BCM

An immediate operation of ignition relay (IPDM E/R) is re-
quested by BCM, but there is no response for more than 
1 second

BCM

PCS-80

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

B261A PUSH-BUTTON IGNITION SWITCH

B261A PUSH-BUTTON IGNITION SWITCH

DTC Logic

INFOID:0000000005998928

DTC DETECTION LOGIC

NOTE:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-47, "DTC Logic"

.

• If DTC B261A 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.

Press the push-button ignition switch under the following conditions, and wait for 1 second or more.

-

Selector lever is in the P or N position

-

Do not depress brake pedal

2.

Check “Self-diagnosis result” with CONSULT-III. 

Is DTC detected?

YES

>> Go to 

PCS-80, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005998929

1.

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

1.

Disconnect push-button ignition switch connector and IPDM E/R connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT (BCM)

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and push-button ignition switch harness connector.

3.

Check continuity between push-button ignition switch harness connector and ground.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B261A

PUSH-BTN IGN SW

 BCM detects a difference of signal for 1 second or 
more between the following items. 
• Push-button ignition switch signal
• Push-button ignition switch status siganl (CAN)

• Harness or connectors

(Push-button ignition switch circuit 
is open or shorted.)

• BCM
• IPDM E/R

(+)

(–)

Voltage (V)

(Approx.)

Push-button ignition switch

Connector

Terminal

M101

8

Ground

12

BCM

Push-button ignition switch

Continuity

Connector

Terminal

Connector

Terminal

M71

100

M101

8

Existed

Push-button ignition switch

Ground

Continuity

Connector

Terminal

M101

8

Not existed

PCS

B261A PUSH-BUTTON IGNITION SWITCH

PCS-81

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK IGNITION SWITCH OUTPUT SIGNAL (IPDM E/R)

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-28, "Removal and Installation"

.

NO

>> GO TO 4.

4.

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

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector and push-button ignition switch harness connec-
tor.

3.

Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-33, "Intermittent Incident"

.

>> INSPECTION END

(+)

(–)

Voltage (V)

(Approx.)

IPDM E/R

Connector

Terminal

E17

81

Ground

12

IPDM E/R

Push-button ignition switch

Continuity

Connector

Terminal

Connector

Terminal

E17

81

M101

8

Existed

Push-button ignition switch

Ground

Continuity

Connector

Terminal

M101

8

Not existed