Nissan Pathfinder. Manual - part 1067

B26F8 BCM

SEC-131

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B26F8 BCM

DTC Logic

INFOID:0000000009176050

DTC DETECTION LOGIC

NOTE:

DTC B26F8 can be detected even though the related circuit is not used in this vehicle.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON and wait 1 second.

2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?

YES

>> GO TO  

SEC-131, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009176051

1.

INSPECTION START

1. Turn ignition switch ON.

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

3. Touch “ERASE”.

4. Perform DTC CONFIRMATION PROCEDURE for DTC B26F8.

Refer to 

SEC-131, "DTC Logic"

.

Is DTC detected?

YES

>> GO TO 2.

NO

>> Inspection End.

2.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-

SULT Immobilizer mode and follow the on-screen instructions.

>> Inspection End.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B26F8

BCM

Starter control replay control signal and feedback circuit 
signal (inside BCM) does not match.

BCM

SEC-132

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HEADLAMP FUNCTION

HEADLAMP FUNCTION

Component Function Check

INFOID:0000000009176052

1.

CHECK FUNCTION

1. Perform HEAD LAMP(HI) in ACTIVE TEST mode of THEFT ALM of BCM using CONSULT.

2. Check headlamps operation.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

SEC-132, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009176053

1.

CHECK HEADLAMP FUNCTION

Refer to 

SEC-132, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

>> Inspection End.

Test item

Description

HEAD LAMP (HI)

ON

Headlamps (Hi)

Light

OFF

Does not light

HOOD SWITCH

SEC-133

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

HOOD SWITCH

Component Function Check

INFOID:0000000009176054

1.

CHECK FUNCTION

1. Select HOOD SW in Data Monitor mode of IPDM E/R using CONSULT. 

2. Check HOOD SW indication under the following condition.

Is the indication normal?

YES

>> Hood switch is OK.

NO

>> Go to  

SEC-133, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009176055

Regarding Wiring Diagram information, refer to 

SEC-55, "Wiring Diagram"

.

1.

CHECK HOOD SWITCH SIGNAL CIRCUITS

1. Turn ignition switch OFF.

2. Disconnect hood switch connector.

3. Check voltage between hood switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK HOOD SWITCH SIGNAL CIRCUITS

1. Disconnect IPDM E/R connector.

2. Check continuity between IPDM E/R harness connector and hood switch harness 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-32, "Removal and Installation"

.

NO

>> Repair or replace harness.

Monitor item

Condition

Indication

HOOD SW

Hood

Open

ON

Close

OFF

(+)

(–)

Voltage (V)

Hood switch

Connector

Terminal

E205

1

Ground

Battery voltage

2

IPDM E/R

Hood switch

Continuity

Connector

Terminal

Connector

Terminal

E218

94

E205

1

Yes

96

2

IPDM E/R

Ground

Continuity 

Connector

Terminal

E218

94

No

96

SEC-134

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HOOD SWITCH

3.

CHECK HOOD SWITCH GROUND CIRCUIT

Check continuity between hood switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK HOOD SWITCH

Refer to 

SEC-134, "Component Inspection"

 .

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace hood switch. Refer to 

DLK-298, "HOOD LOCK : Removal and Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000009176056

1.

CHECK HOOD SWITCH

1. Turn ignition switch OFF.

2. Disconnect hood switch connector.

3. Check continuity between hood switch terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace hood switch. Refer to 

DLK-298, "HOOD LOCK : Removal and Installation"

.

Hood switch

Ground

Continuity

Connector

Terminal

E205

3

Yes

Hood switch

Condition

Continuity

Terminal

1

3

Hood switch

Press

No

Release

Yes

2

Press

No

Release

Yes