Infiniti QX56 (Z62). Manual — part 1087
SBC-48
< DTC/CIRCUIT DIAGNOSIS >
B2463 ROLLOVER SIGNAL
B2463 ROLLOVER SIGNAL
Description
INFOID:0000000006237919
Inputs the rollover signal from air bag diagnosis sensor unit via CAN communication.
DTC Logic
INFOID:0000000006237920
DTC DETECTION LOGIC
NOTE:
If DTC B2463 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:0000000006237921
1.
CHECK DTC WITH AIR BAG DIAGNOSIS SENSOR UNIT
Check “self-diagnostic result” for “AIR BAG DIAGNOSIS SENSOR UNIT” with CONSULT-III. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace air bag diagnosis sensor unit. Refer to
SR-26, "Removal and Installation"
.
2.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2463
ROLLOVER SIGNAL
Receipt of a malfunction signal of the rollover signal
Air bag diagnosis sensor unit
B2466 DR/AS CONTROL UNIT
SBC-49
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SBC
N
O
P
B2466 DR/AS CONTROL UNIT
DTC Logic
INFOID:0000000006237922
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:0000000006237923
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-40, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2466
DR/AS CONTROL UNIT
Pre-crash seat belt control unit is out of the
vehicle specification
• Pre-crash seat belt control unit (driver side)
• Pre-crash seat belt control unit (passenger
side)
SBC-50
< DTC/CIRCUIT DIAGNOSIS >
B2470 SYS HEAT PROTC DR
B2470 SYS HEAT PROTC DR
Description
INFOID:0000000006237924
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:0000000006237925
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:0000000006237926
1.
CHECK THE VEHICLE CONDITION WITH CONSULT-III DATA MONITOR
1.
Check “HEAT PROTC LH” in “DATA MONITOR” with CONSULT-III.
2.
Wait until “OFF” appears.
3.
Perform the “self-diagnosis result” with CONSULT-III, after performing the check.
4.
Touch “ERASE”.
5.
Perform DTC Confirmation Procedure. Refer to
Is DTC B2470 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
DTC No.
Self-diagnosis item
DTC Detection Condition
Possible causes
B2470
SYS HEAT PROTC DR
Deactivates to prevent excessive heating
Comfort function activates continuously in a
short period of time.
B2471 SYS HEAT PROTC AS
SBC-51
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
I
J
K
L
M
A
B
SBC
N
O
P
B2471 SYS HEAT PROTC AS
Description
INFOID:0000000006237927
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:0000000006237928
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:0000000006237929
1.
CHECK THE VEHICLE CONDITION WITH CONSULT-III DATA MONITOR
1.
Check “HEAT PROTC RH” in “DATA MONITOR” with CONSULT-III.
2.
Wait until “OFF” appears.
3.
Perform the “self-diagnosis results” with CONSULT-III, after performing the check.
4.
Touch “ERASE”.
5.
Perform DTC Confirmation Procedure. Refer to
.
Is DTC B2471 displayed again?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK INTERMITTENT INCIDENT
GI-40, "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
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