Nissan Sentra. Manual - part 769

SEC-104

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B26E8 CLUTCH INTERLOCK SWITCH

B26E8 CLUTCH INTERLOCK SWITCH

DTC Logic

INFOID:0000000009756750

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1. Turn ignition switch ON.

2. Wait 2 seconds or more under the following conditions.

-

Shift lever: In the neutral position.

-

Clutch pedal: Depressed

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

YES >> Go 

to 

SEC-104, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1. Release clutch pedal and wait 2 seconds or more.

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

YES >> Go 

to 

SEC-104, "Diagnosis Procedure"

.

NO

>> Inspection End

Diagnosis Procedure

INFOID:0000000009756751

Regarding Wiring Diagram information, refer to 

SEC-25, "Wiring Diagram"

.

1.

INSPECTION START

Perform inspection in accordance with procedure that confirms DTC.
Which procedure confirms DTC?

DTC confirmation procedure 1>>GO TO 2.

DTC confirmation procedure 2>>GO TO 7.

2.

CHECK FUSE

1. Turn power switch OFF.

2. Check that the following fuse in the fuse block (J/B) is not blown.

Is the inspection result normal?

YES

>> GO TO 3.

DTC No.

CONSULT screen items

(Trouble diagnosis content)

DTC detecting condition

Possible cause

B26E8

CLUTCH SW
(Clutch switch)

BCM detects the following conditions for 2 
seconds or more.
• Clutch pedal position switch: ON

(Clutch pedal is released)

• Clutch interlock switch: ON

(Clutch pedal is depressed)

• Harness or connector

(Clutch interlock switch circuit is 
open or shorted)

• Harness or connector

(Clutch pedal position switch circuit 
is open or shorted)

• Clutch interlock switch 
• Clutch pedal position switch 
• BCM

Signal name

Fuse No.

Ignition power supply

5 (10 A)

B26E8 CLUTCH INTERLOCK SWITCH

SEC-105

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

NO

>> Replace the blown fuse after repairing the cause of blowing.

3.

CHECK CLUTCH PEDAL POSITION SWITCH POWER SUPPLY

1. Disconnect clutch pedal position switch connector.

2. Turn ignition switch ON.

3. Check voltage between clutch pedal position switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK CLUTCH PEDAL POSITION SWITCH SIGNAL 

1. Connect clutch pedal position switch connector.

2. Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 13.

NO

>> GO TO 5.

5.

CHECK CLUTCH PEDAL POSITION SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between clutch pedal position switch harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK CLUTCH PEDAL POSITION SWITCH

Refer to 

SEC-107, "Component Inspection (Clutch Pedal Position Switch)"

.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Replace clutch pedal position switch. Refer to 

CL-10, "Exploded View"

.

7.

CHECK FUSE

1. Turn power switch OFF.

2. Check that the following fuse in the fuse block (J/B) is not blown.

Is the inspection result normal?

YES

>> GO TO 8.

(+)

(–)

Voltage (V)

(Approx.)

Clutch pedal position switch

Connector

Terminal

E32

1

Ground

Battery voltage

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M84

37

Ground

Clutch pedal

Depressed

0 – 1.5 V

Not depressed

Battery voltage

Clutch pedal position switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

E32

2

M84

37

Yes

Signal name

Fuse No.

Battery power supply

14 (10 A)

SEC-106

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B26E8 CLUTCH INTERLOCK SWITCH

NO

>> Replace the blown fuse after repairing the cause of blowing.

8.

CHECK CLUTCH INTERLOCK SWITCH POWER SUPPLY 

1. Disconnect clutch interlock switch connector.

2. Check voltage between clutch interlock switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair or replace harness.

9.

CHECK CLUTCH INTERLOCK SWITCH SIGNAL 

1. Connect clutch interlock switch connector.

2. Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 13.

NO

>> GO TO 10.

10.

CHECK CLUTCH INTERLOCK SWITCH SIGNAL CIRCUIT 

1. Disconnect clutch interlock switch connector.

2. Disconnect BCM connector.

3. Check continuity between clutch interlock switch harness connector and BCM harness connector.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair or replace harness.

11.

CHECK CLUTCH INTERLOCK SWITCH

Refer to 

SEC-107, "Component Inspection (Clutch Interlock Switch)"

.

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Replace clutch interlock switch. Refer to 

CL-10, "Exploded View"

.

12.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> Inspection End

13.

REPLACE BCM

1. Replace BCM. Refer to 

BCS-73, "Removal and Installation"

.

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

(+)

(–)

Voltage (V)

(Approx.)

Clutch interlock switch

Connector

Terminal

E34

1

Ground

Battery voltage

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M83

70

Ground

Clutch pedal

Depressed

Battery voltage

Not depressed

0 – 0.5 V

Clutch interlock switch

BCM

Continuity

Connector

Terminal

Connector

Terminal

E34

2

M83

70

Yes

B26E8 CLUTCH INTERLOCK SWITCH

SEC-107

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

>> Inspection End

Component Inspection (Clutch Interlock Switch)

INFOID:0000000009756752

1.

CHECK CLUTCH INTERLOCK SWITCH

1. Turn ignition switch OFF.

2. Disconnect clutch interlock switch connector.

3. Check continuity between clutch interlock switch terminals.

.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace clutch interlock switch. Refer to 

CL-10, "Exploded View"

.

Component Inspection (Clutch Pedal Position Switch)

INFOID:0000000009756753

1.

CHECK CLUTCH PEDAL POSITION SWITCH

1. Turn ignition switch OFF.

2. Disconnect clutch pedal position switch connector.

3. Check continuity between clutch pedal position switch terminals.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace clutch pedal position switch. Refer to 

CL-10, "Exploded View"

.

Clutch interlock switch

Condition

Continuity

Terminal

1

2

Clutch pedal

Depressed

Yes

Not depressed

No

Clutch pedal position switch

Condition

Continuity

Terminal

1

2

Clutch pedal

Depressed

No

Not depressed

Yes