Infiniti G37 Coupe. Manual — part 1147
B260B STEERING LOCK UNIT
SEC-85
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B260B STEERING LOCK UNIT
Description
INFOID:0000000001699987
The steering lock unit performs the check by itself according to the steering status.
DTC Logic
INFOID:0000000001699988
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch, when steering is locked.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000001699989
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 DTC B260B displayed again?
YES
>> Replace steering lock unit.
NO
>> 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
SEC-86
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B260C STEERING LOCK UNIT
B260C STEERING LOCK UNIT
Description
INFOID:0000000001699990
The steering lock unit performs the check by itself according to the steering status.
DTC Logic
INFOID:0000000001699991
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.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000001699992
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 DTC B260C displayed again?
YES
>> Replace steering lock unit.
NO
>> 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
B260D STEERING LOCK UNIT
SEC-87
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B260D STEERING LOCK UNIT
Description
INFOID:0000000001699993
The steering lock unit performs the check by itself according to the steering lock status (before lock, after lock
and unlock).
DTC Logic
INFOID:0000000001699994
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.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000001699995
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 DTC B260D displayed again?
YES
>> Replace steering lock unit.
NO
>> INSPECTION END.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260D
STEERING LOCK
UNIT
BCM detects malfunctioning of steering lock unit af-
ter steering locking.
• Steering lock unit
SEC-88
< COMPONENT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
B260F ENGINE STATUS
B260F ENGINE STATUS
Description
INFOID:0000000001699996
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
INFOID:0000000001699997
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 under the following conditions.
A/T models
-
A/T selector lever is in the P or N position
-
Do not depress brake pedal
M/T models
-
Do not depress clutch pedal
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001699998
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 DTC B260F displayed again?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
REPLACE ECM
1.
Replace ECM.
2.
EC-16, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (ECM) : Description"
>> INSPECTION END
3.
CHECK INTERMITTENT INCIDENT
GI-38, "Intermittent Incident"
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B260F
INTERRUPTION OF
ENGINE STATUS
SIGNAL
BCM is not yet received the engine status signal
from ECM when ignition switch is in ON position
• ECM
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