Infiniti QX56 (Z62). Manual — part 1177
SEC-98
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B260B STEERING LOCK UNIT
B260B STEERING LOCK UNIT
DTC Logic
INFOID:0000000006226247
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Turn ignition switch OFF.
3.
Press driver side door switch.
4.
Shift selector lever to the P position.
5.
Press push-button ignition switch under the following condition.
-
Brake pedal: Not depressed
6.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226248
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC CONFIRMATION PROCEDURE for DTC B260B. Refer to
.
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE STEERING LOCK UNIT
1.
Replace steering lock unit.
2.
Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Man-
ual NATS-IVIS/NVIS.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B260B
STEERING LOCK UNIT
BCM detects malfunctioning of steering lock
unit before steering unlocking.
Steering lock unit
B260C STEERING LOCK UNIT
SEC-99
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B260C STEERING LOCK UNIT
DTC Logic
INFOID:0000000006226249
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Shift selector lever to the P position.
2.
Press push-button ignition switch under the following condition.
-
Brake pedal: Not depressed
3.
Turn ignition switch ON.
4.
Turn ignition switch OFF.
5.
Press driver side door switch.
6.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226250
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC CONFIRMATION PROCEDURE for DTC B260C. Refer to
.
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE STEERING LOCK UNIT
1.
Replace steering lock unit.
2.
Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Man-
ual NATS-IVIS/NVIS.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B260C
STEERING LOCK UNIT
BCM detects malfunctioning of steering lock
unit before steering locking.
Steering lock unit
SEC-100
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B260D STEERING LOCK UNIT
B260D STEERING LOCK UNIT
DTC Logic
INFOID:0000000006226251
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Shift selector lever to the P position.
2.
Press push-button ignition switch under the following condition.
-
Brake pedal: Not depressed
3.
Turn ignition switch ON.
4.
Turn ignition switch OFF.
5.
Press driver side door switch.
6.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
SEC-100, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226252
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC Confirmation Procedure for DTC B260D. Refer to
.
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE STEERING LOCK UNIT
1.
Replace steering lock unit.
2.
Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Man-
ual NATS-IVIS/NVIS.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B260D
STEERING LOCK UNIT
BCM detects malfunctioning of steering lock
unit after steering locking.
Steering lock unit
B260F ENGINE STATUS
SEC-101
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B260F ENGINE STATUS
Description
INFOID:0000000006226253
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
INFOID:0000000006226254
DTC DETECTION LOGIC
NOTE:
• If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B260F 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 and wait 2 seconds or more.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES
>> Go to
SEC-101, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000006226255
1.
INSPECTION START
1.
Turn ignition switch ON.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
3.
Touch “ERASE”.
4.
Perform DTC CONFIRMATION PROCEDURE for DTC B260F. Refer to
.
Is DTC detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
REPLACE ECM
1.
Replace ECM. Refer to
EC-535, "Removal and Installation"
2.
Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B260F
ENG STATE SIG LOST
BCM has not yet received the engine status
signal from ECM when ignition switch is in
the ON position.
• Harness or connectors
(CAN communication line is open or
shorted.)
• ECM
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