Nissan Sentra. Instruction — part 772
SEC-116
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B26FB CLUTCH SWITCH
B26FB CLUTCH SWITCH
DTC Logic
INFOID:0000000009756766
DTC DETECTION LOGIC
NOTE:
• If DTC B26FB is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B26FB 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.
2. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Go
SEC-116, "Diagnosis Procedure"
.
NO
>> Inspection End
Diagnosis Procedure
INFOID:0000000009756767
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 B26FB. Refer to
Is DTC detected?
YES
>> GO TO 2.
NO
>> Inspection End
2.
REPLACE ECM
Replace ECM. Refer to
EC-485, "Removal and Installation"
>> Inspection End
DTC No.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
Possible cause
B26FB
CLUTCH SWITCH
(Clutch switch)
BCM receives the abnormal signal of clutch
pedal position switch from ECM via CAN
communication.
• Harness or connector
(CAN communication line is
open or shorted)
• ECM
B26FC KEY REGISTRATION
SEC-117
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B26FC KEY REGISTRATION
DTC Logic
INFOID:0000000009756768
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
2. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> Go to
SEC-117, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009756769
1.
REPLACE INTELLIGENT KEY
1. Prepare Intelligent Key that matches the vehicle.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
3. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> GO TO 2.
NO
>> Inspection End.
2.
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.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26FC
KEY REGISTRATION
Intelligent Key that does not match the vehicle is
registered.
• Improper registration operation
• Intelligent Key
• BCM
SEC-118
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B209F CRANKING REQUEST CIRCUIT
B209F CRANKING REQUEST CIRCUIT
DTC Logic
INFOID:0000000009756770
DTC DETECTION LOGIC
NOTE:
If DTC B209F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Refer to
2. Turn ignition switch ON.
3. Check DTC in Self Diagnostic Result mode of IPDM E/R using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-118, "Diagnosis Procedure"
NO
>> Inspection End
Diagnosis Procedure
INFOID:0000000009756771
Regarding Wiring Diagram information, refer to
.
1.
CHECK CRANKING REQUEST SIGNAL
1. Turn ignition switch ON.
2. Check voltage between IPDM E/R harness connector and ground under the following conditions.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK CRANKING REQUEST SIGNAL CIRCUIT
1. Turn ignition switch OFF.
DTC No.
CONSULT screen items
(Trouble diagnosis con-
tent)
DTC detecting condition
Possible cause
B209F
STR CUT OFF OPEN
(Starter cut off open)
When the following items do not match, a
malfunction is detected.
• Cranking request signal from ECM
• Starter control relay control signal from
ECM (CAN)
• Harness or connectors
(CAN communication line is open or
shorted.)
• Harness or connectors
(Cranking request signal circuit is open
or shorted.)
• IPDM E/R
• ECM
(+)
(–)
Condition
Voltage
IPDM E/R
Connector
Terminal
E46
37
Ground
Ignition switch OFF
0 – 1 V
Ignition switch ON
• Engine: Stopped
• Selector lever position: P
• Engine: Stopped
• Selector lever position:
Other than P
9 – 16 V
Engine running
B209F CRANKING REQUEST CIRCUIT
SEC-119
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
2. Disconnect IPDM E/R connector.
3. Disconnect ECM connector.
4. Check continuity between IPDM E/R harness connector and ECM harness connector.
5. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace harness.
3.
REPLACE IPDM E/R
1. Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
.
2. Perform DTC CONFIRMATION PROCEDURE for DTC B209F. Refer to
.
Is DTC detected?
YES
>> GO TO 4.
NO
>> Inspection End
4.
REPLACE ECM
Replace ECM.
EC-485, "Removal and Installation"
.
>> Inspection End
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
E46
37
E16
101
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
E46
37
No
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