Infiniti FX35, FX50 (S51). Manual — part 1593
SBC-30
< DTC/CIRCUIT DIAGNOSIS >
B2466 DR/AS CONTROL UNIT
B2466 DR/AS CONTROL UNIT
Description
INFOID:0000000005241741
Consists of driver seat side control unit and passenger seat side control unit.
DTC Logic
INFOID:0000000005241742
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT CONTROL UNIT
1.
Turn ignition switch ON.
2.
Check “Self-diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005241743
1.
CHECK THE VEHICLE SPECIFICATION
Check the part number.
Does the part application fit to the vehicle specification?
YES
>> GO TO 2.
NO
>> Replace the malfunction parts.
2.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
>> INSPECTION END
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2466
DR/AS CONTROL
UNIT
Driver seat side control unit or passenger
seat side control unit is out of the vehicle
specification
Driver seat side control unit or passenger side
control unit that is installed is out of the vehi-
cle specification
B2470 SYS HEAT PROTC DR
SBC-31
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SBC
N
O
P
B2470 SYS HEAT PROTC DR
Description
INFOID:0000000005241744
When fastening and unfastening seat belt or opening and closing door is repeated continuously for a short
period of time, the system temporarily deactivates the retracting function of seat belt to prevent excessive
heating. The system recovers automatically.
DTC Logic
INFOID:0000000005241745
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT CONTROL UNIT
1.
Turn ignition switch ON.
2.
Check “Self-diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005241746
1.
CHECK THE VEHICLE CONDITION WITH CONSULT-III DATA MONITOR
1.
Check “HEAT PROTC LH” of DATA MONITOR.
2.
Wait until “OFF” appears.
3.
Perform the self-diagnosis, after performing the check.
4.
Touch “ERASE”.
5.
Perform DTC Confirmation Procedure.
See
.
Is DTC B2470 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2470
SYS HEAT PROTC DR
Deactivates to prevent excessive heating
Belt retracting function activates continuously
in a short period of time.
SBC-32
< DTC/CIRCUIT DIAGNOSIS >
B2471 SYS HEAT PROTC AS
B2471 SYS HEAT PROTC AS
Description
INFOID:0000000005241747
When fastening and unfastening seat belt or opening and closing door is repeated continuously for a short
period of time, the system temporarily deactivates the retracting function of seat belt to prevent excessive
heating. The system recovers automatically.
DTC Logic
INFOID:0000000005241748
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT CONTROL UNIT
1.
Turn ignition switch ON.
2.
Check “Self-diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005241749
1.
CHECK THE VEHICLE CONDITION WITH CONSULT-III DATA MONITOR
1.
Check “HEAT PROTC RH” of DATA MONITOR.
2.
Wait until “OFF” appears.
3.
Perform the self-diagnosis, after performing the check.
4.
Touch “ERASE”.
5.
Perform DTC Confirmation Procedure.
See
.
Is DTC B2471 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
>> INSPECTION END
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2471
SYS HEAT PROTC AS
Deactivates to prevent excessive heating
Belt retracting function activates continuously
in the short period of time
U0126 ST ANG SEN SIG
SBC-33
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SBC
N
O
P
U0126 ST ANG SEN SIG
Description
INFOID:0000000005241750
Inputs the steering angle signal from steering angle sensor via CAN communication.
DTC Logic
INFOID:0000000005241751
DTC DETECTION LOGIC
NOTE:
If DTC U0126 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
DTC CONFIRMATION PROCEDURE
1.
SELF-DIAGNOSIS WITH PRE-CRASH SEAT BELT CONTROL UNIT
1.
Turn ignition switch ON.
2.
Check “Self-diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005241752
1.
CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Check “Self-diagnostic result” for “ABS” with CONSULT-III. Refer to
BRC-44, "CONSULT-III Function"
Is DTC detected?
YES
>> Repair or replace malfunctioning parts.
NO
>> GO TO 2.
2.
CHECK INTERMITTENT INCIDENT
GI-36, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
U0126
ST ANG SEN SIG
Receipt of a malfunction signal of Steering angle signal
Steering angle sensor
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