Nissan Teana J32. Manual — part 1026
SEC-92
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
B261A PUSH-BUTTON IGNITION SWITCH
Description
INFOID:0000000003815032
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via
CAN communication. IPDM E/R transmits the power supply position status via CAN communication to BCM.
DTC Logic
INFOID:0000000003815033
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:0000000003815034
1.
INSPECTION START
Check the case in which DTC is detected.
• Case1: It is detected when push-button ignition switch is pressed for 1 second
• Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed
In which case is DTC detected?
Case1 >> GO TO 2.
Case2 >> GO TO 4.
2.
CHECK PUSH-BUTTON IGNITION SWITCH OUTPUT SIGNAL 1
1.
Turn ignition switch OFF.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B261A
PUSH-BUTTON
IGNITION
SWITCH
BCM detects the difference 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
B261A PUSH-BUTTON IGNITION SWITCH
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< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
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F
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A
B
SEC
N
O
P
2.
Disconnect push-button ignition switch connector and IPDM E/R 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 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
>> Replace BCM. Refer to
BCS-78, "Removal and Installation"
NO
>> Repair or replace harness.
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
SEC-94
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B261A PUSH-BUTTON IGNITION SWITCH
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-34, "Removal and Installation"
NO
>> Repair or replace harness.
6.
CHECK INTERMITTENT INCIDENT
GI-35, "Intermittent Incident"
>> INSPECTION END
B261E VEHICLE TYPE
SEC-95
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B261E VEHICLE TYPE
Description
INFOID:0000000003815035
There are two types of vehicles.
• HEV
• Conventional
DTC Logic
INFOID:0000000003815036
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:0000000003815037
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-78, "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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