Nissan Pathfinder. Manual - part 348

DLK-158

< DTC/CIRCUIT DIAGNOSIS >

B26FE HOOD SWITCH

B26FE HOOD SWITCH

DTC Logic

INFOID:0000000009175696

DTC DETECTION LOGIC

NOTE:

• If DTC B26FE is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

BCS-68, "DTC Logic"

.

• If DTC B26FE is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

BCS-69, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Check Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?

YES

>> Refer to 

DLK-158, "Diagnosis Procedure"

.

NO

>> Hood switch is OK.

Diagnosis Procedure

INFOID:0000000009175697

Regarding Wiring Diagram information, refer to 

DLK-74, "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.

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B26FE

HOOD SWITCH

 BCM detects that the hood switch input is malfunc-
tioning.

• Hood switch
• Harness or connector

[hood switch circuit is open or 
shorted]

(+)

(–)

Voltage (V)

(Approx.)

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

B26FE HOOD SWITCH

DLK-159

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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.

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 

DLK-159, "Component Inspection"

 .

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace hood switch. Refer to 

DLK-299, "HOOD LOCK RELEASE CABLE : Removal and Instal-

lation"

.

5.

CHECK BCM CONFIGURATION

Refer to 

BCS-66, "CONFIGURATION (BCM) : Configuration List"

.

>> Inspection End.

Component Inspection

INFOID:0000000009175698

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-299, "HOOD LOCK RELEASE CABLE : Removal and Instal-

lation"

.

IPDM E/R

Ground

Continuity 

Connector

Terminal

E218

94

No

96

Hood switch

Ground

Continuity

Connector

Terminal

E205

3

Yes

Hood switch

Condition

Continuity

Terminal

1

3

Hood switch

Press

No

1

3

Hood switch

Release

Yes

2

3

Hood switch

Press

No

2

3

Hood switch

Release

Yes

DLK-160

< DTC/CIRCUIT DIAGNOSIS >

B26FF REMOTE KEYLESS ENTRY RECEIVER

B26FF REMOTE KEYLESS ENTRY RECEIVER

DTC Logic

INFOID:0000000009175699

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.
Is DTC detected?

YES

>> Refer to 

DLK-160, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000009175700

Regarding Wiring Diagram information, refer to 

DLK-74, "Wiring Diagram"

.

1.

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1

1. Disconnect BCM and remote keyless entry receiver connectors.

2. Check continuity between BCM harness connector and remote keyless entry receiver harness connector.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B26FF

INTELLIGENT TUNER 
COMMUNICATION FAIL

Inactive communication between BCM and re-
mote keyless entry receiver.

• Harness or connector
• Remote keyless entry receiver
• BCM

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M80

119

Ground

Standby state

Press the Intelligent 
Key lock or unlock 
button

OCC3881D

OCC3880D

B26FF REMOTE KEYLESS ENTRY RECEIVER

DLK-161

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY 

Check voltage between remote keyless entry receiver harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO-1 >> Check 10A fuse No. 25 [located in fuse block J/B].

NO-2 >> Repair or replace harness between remote keyless entry receiver and 10A fuse No. 25.

4.

CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT 

Check continuity between remote keyless entry receiver harness connector and ground.

Is the inspection result normal?

YES

>> Replace remote keyless entry receiver. Refer to 

DLK-319, "Removal and Installation"

.

NO

>> Repair or replace harness.

BCM

Remote keyless entry receiver

Continuity 

Connector

Terminal

Connector

Terminal

M80

119

M86

2

Yes

(+)

(–)

Continuity

BCM

Connector

Terminal

M80

119

Ground

No

(+)

(–)

Voltage

(Approx)

Remote keyless entry receiver

Connector

Terminal

M86

1

Ground

Battery voltage

Remote keyless entry receiver

Ground

Continuity

Connector

Terminal

M86

3

Yes