Nissan Murano Z51. Instruction — part 1262
B261A PUSH-BUTTON IGNITION SWITCH
SEC-95
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B261A PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000005515585
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
the CAN communication. IPDM E/R transmits the power supply position status via CAN communication to
BCM.
DTC Logic
INFOID:0000000005515586
DTC DETECTION LOGIC
NOTE:
• If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B261A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
1.
Press push-button ignition switch for 1 second under the following condition.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1.
Insert Intelligent Key into the key slot.
2.
Press the push-button ignition switch under the following conditions and wait for at least 1 second.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
3.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005515587
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 4.
2.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector and IPDM E/R connector.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B261A
PUSH-BTN IGN
SW
BCM detects the mismatch between the following for
1 second or more
• Power supply position with push-button ignition
switch
• Power supply position from IPDM E/R (CAN)
• Harness or connectors
(Push-button ignition switch circuit is
open or shorted)
• Between BCM and push-button igni-
tion switch
• Between IPDM E/R and push-button
ignition switch
SEC-96
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 3.
3.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 1
1.
Disconnect BCM connector.
2.
Check continuity between push-button ignition switch harness connector and BCM harness connector.
3.
Check continuity between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connector.
4.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 2
1.
Turn ignition switch OFF.
2.
Disconnect push-button ignition switch connector and BCM connector.
3.
Check voltage between push-button ignition switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT 2
1.
Disconnect IPDM E/R connector.
2.
Check continuity between push-button ignition switch harness connector and IPDM E/R harness connec-
tor.
3.
Check continuity between push-button ignition switch harness connector and ground.
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M101
4
Ground
Battery voltage
Push-button ignition switch
BCM
Continuity
Connector
Terminal
Connector
Terminal
M101
4
M122
89
Existed
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M101
4
Not existed
(+)
(–)
Voltage (V)
(Approx.)
Push-button ignition switch
Connector
Terminal
M101
4
Ground
Battery voltage
Push-button ignition switch
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
M101
4
E10
28
Existed
Push-button ignition switch
Ground
Continuity
Connector
Terminal
M101
4
Not existed
B261A PUSH-BUTTON IGNITION SWITCH
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
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness or connector.
6.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
.
>> INSPECTION END
SEC-98
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B261E VEHICLE TYPE
B261E VEHICLE TYPE
Description
INFOID:0000000005515588
There are two types of vehicle.
• HEV
• Conventional
DTC Logic
INFOID:0000000005515589
DTC DETECTION LOGIC
NOTE:
• If DTC B261E is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B261E 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 “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005515590
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure.
See
.
Is the 1st trip DTC B261E displayed again?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B261E
VEHICLE TYPE
Difference of BCM configuration
BCM
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