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
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
SEC-104, "Diagnosis Procedure"
.
NO
>> Inspection End
Diagnosis Procedure
INFOID:0000000009756751
Regarding Wiring Diagram information, refer to
.
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
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
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
SEC-107, "Component Inspection (Clutch Interlock Switch)"
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Replace clutch interlock switch. Refer to
.
12.
CHECK INTERMITTENT INCIDENT
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
.
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
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
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