Nissan Sentra. Instruction — part 770
SEC-108
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B26F3 STARTER CONTROL RELAY
B26F3 STARTER CONTROL RELAY
DTC Logic
INFOID:0000000009756754
DTC DETECTION LOGIC
NOTE:
• If DTC B26F3 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B26F3 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press push-button ignition switch under the following conditions to start engine.
CVT models
-
Selector lever: In the Park (P) position
-
Brake pedal: Not depressed
M/T models
-
Shift lever: in the neutral position
-
Clutch pedal: Not depressed
2. Wait 2 seconds after engine started.
3. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> Go to
SEC-108, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009756755
1.
CHECK DTC OF IPDM E/R
Check DTC in Self Diagnostic Result mode of IPDM E/R using CONSULT.
Is DTC detected?
YES
>> Perform the diagnosis procedure related to the detected DTC. Refer to
NO
>> GO TO 2.
2.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26F3
START CONT RLY ON
BCM requests IPDM E/R to turn starter
control relay OFF, but BCM cannot receive
starter control relay OFF state signal from
IPDM E/R (CAN).
• Harness or connectors
(The CAN communication line is open
or shorted.)
• IPDM E/R
B26F4 STARTER CONTROL RELAY
SEC-109
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B26F4 STARTER CONTROL RELAY
DTC Logic
INFOID:0000000009756756
DTC DETECTION LOGIC
NOTE:
• If DTC B26F4 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B26F4 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press push-button ignition switch under the following conditions to start engine, and wait 1 second or
more.
CVT models
-
Selector lever: In the Park (P) position
-
Brake pedal: Not depressed
M/T models
-
Shift lever: in the neutral position
-
Clutch pedal: Not depressed
2. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> Go to
SEC-109, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009756757
1.
CHECK DTC OF IPDM E/R
Check DTC in Self Diagnostic Result mode of IPDM E/R using CONSULT.
Is DTC detected?
YES
>> Perform the diagnosis procedure related to the detected DTC. Refer to
NO
>> GO TO 2.
2.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26F4
START CONT RLY OFF
BCM requests IPDM E/R to turn starter
control relay ON, but BCM cannot receive
starter control relay ON state signal from
IPDM E/R (CAN).
• Harness or connectors
(The CAN communication line is open
or shorted.)
• IPDM E/R
SEC-110
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B26F7 BCM
B26F7 BCM
DTC Logic
INFOID:0000000009756758
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Press door request switch.
2. Turn ignition switch ON.
3. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> Go to
SEC-110, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009756759
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 B26F7. Refer to
.
Is DTC B26F7 detected again?
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
B26F7
BCM
Inside key antenna output circuit in BCM is malfunctioning. BCM
B26F8 BCM
SEC-111
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B26F8 BCM
DTC Logic
INFOID:0000000009756760
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait 1 second.
2. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES
>> Go to
SEC-111, "Diagnosis Procedure"
NO
>> Inspection End
Diagnosis Procedure
INFOID:0000000009756761
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 B26F8.
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.
CONSULT screen items
(Trouble diagnosis content)
DTC detecting condition
Possible cause
B26F8
BCM
(Body control module)
Starter control replay control signal and feedback circuit
signal (inside BCM) does not match.
BCM
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