Nissan Pathfinder. Manual — part 1066
B261E VEHICLE TYPE
SEC-127
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
4.
CONFIRM ECM PART NUMBER.
Confirm the part number of the installed ECM is correct.
Is the ECM part number correct?
YES
>> Replace BCM. Refer to
BCS-80, "Removal and Installation"
NO
>> Replace ECM. Refer to
SEC-128
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B26F3 STARTER CONTROL RELAY
B26F3 STARTER CONTROL RELAY
DTC Logic
INFOID:0000000009176044
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:
-
Shift selector lever: In the P (Park) position
-
Brake pedal: Depressed
2. Wait 2 seconds after engine started.
3. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
SEC-128, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176045
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-49, "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
(CAN communication line is open or
shorted.)
• IPDM E/R
B26F4 STARTER CONTROL RELAY
SEC-129
< 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:0000000009176046
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.
-
Shift selector lever: In the P (Park) position
-
Brake pedal: Depressed
2. Check DTC in “Self-Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> GO TO
SEC-129, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176047
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-49, "Intermittent Incident"
.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26F4
START CONT RELAY
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.
• Harness or connectors
(CAN communication line is open
or shorted.)
• IPDM E/R
SEC-130
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B26F7 BCM
B26F7 BCM
DTC Logic
INFOID:0000000009176048
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
SEC-130, "Diagnosis Procedure"
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009176049
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 detected?
YES
>> GO TO 2.
NO
>> Inspection End.
2.
REPLACE BCM
1. Replace BCM. Refer to
BCS-80, "Removal and Installation"
.
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT. Refer to the CON-
SULT Immobilizer mode and follow the on-screen instructions.
>> Inspection End.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B26F7
BCM
Inside key antenna output circuit in BCM is malfunctioning. BCM
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