Nissan Sentra. Instruction — part 767
SEC-96
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2608 STARTER RELAY
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK STARTER RELAY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R.
3. Disconnect BCM connector.
4. Check continuity between IPDM E/R harness connector and BCM harness connector.
5. Check continuity between starter relay harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
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.
3. Perform DTC CONFIRMATION PROCEDURE for B2605. Refer to
.
Is DTC B2605 detected again?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
NO
>> Inspection End.
(+)
(–)
Condition
Voltage (V)
(Approx.)
BCM
Connector
Terminal
M83
74
Ground
CVT selector lever
N or P position
Battery voltage
Other than above
0
M/T clutch pedal
Depressed
Battery voltage
Released
0
IPDM E/R
BCM
Continuity
Connector
Terminal
Connector
Terminal
E46
44
M83
74
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
E46
44
No
B260F ENGINE STATUS
SEC-97
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B260F ENGINE STATUS
Description
INFOID:0000000009756741
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
INFOID:0000000009756742
DTC DETECTION LOGIC
NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B260F is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait 2 seconds or more.
2. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009756743
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 B260F. Refer to
Is DTC detected?
YES
>> GO TO 2.
NO
>> Inspection End.
2.
REPLACE ECM
1. Replace ECM.
EC-485, "Removal and Installation"
2. Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”.
.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B260F
ECM CAN COMM
BCM has not yet received the engine status
signal from ECM when ignition switch is in
the ON position.
• Harness or connectors
(The CAN communication line is open
or shorted.)
• ECM
SEC-98
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B261F ASCD CLUTCH SWITCH
B261F ASCD CLUTCH SWITCH
DTC Logic
INFOID:0000000009756744
DTC DETECTION LOGIC
NOTE:
• If DTC B261F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B261F is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine.
2. Drive vehicle at a speed of 40 km/h (24.8 MPH) or more for 10 seconds.
3. Decrease the vehicle speed to below 40 km/h (24.8 MPH).
4. Repeat steps 2 and 3 twice (total of 3 times).
5. Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES >> Go
NO
>> Inspection End
Diagnosis Procedure
INFOID:0000000009756745
Regarding Wiring Diagram information, refer to
.
1.
CHECK DTC OF COMBINATION METER
Check DTC in “Self Diagnostic Result” mode of “METER/M&A” using CONSULT.
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the malfunctioning parts.
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.
NO
>> Replace the blown fuse after repairing the cause of blowing.
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
Possible cause
B261F
ASCD CNCL/CLTCH SW
(ASCD cancel/clutch switch)
BCM detects the following status for 10 seconds
3 times
• Clutch pedal position switch input: 0 V
• Vehicle speed: 40 km/h (24.8 MPH) or more
• Harness or connectors.
(CAN communication line is open
or shorted.)
• Harness or connectors.
(Clutch pedal position switch cir-
cuit is open or shorted)
• Clutch pedal position switch
• Combination meter
• BCM
Signal name
Fuse No.
Ignition power supply
5 (10 A)
B261F ASCD CLUTCH SWITCH
SEC-99
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
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 5.
NO
>> GO TO 6.
5.
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.
>> Inspection End
6.
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 7.
NO
>> Repair or replace harness.
7.
CHECK CLUTCH PEDAL POSITION SWITCH
SEC-100, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace clutch pedal position switch. Refer to
8.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
(+)
(–)
Voltage (V)
(Approx.)
Clutch pedal position switch
Connector
Terminal
E32
1
Ground
Battery voltage
(+)
(–)
Condition
Voltage
BCM
Connector
Terminal
M84
37
Ground
Clutch pedal
Released
Battery voltage
Depressed
0 – 1.5 V
Clutch pedal position switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
E32
2
M84
37
Yes
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