Infiniti FX35, FX50 (S51). Manual — part 1599
SBC-54
< ECU DIAGNOSIS INFORMATION >
PRE-CRASH SEAT BELT CONTROL UNIT
PASSENGER SIDE
*
1
: The deactivation mode differs depending on the internal malfunctioning condition of control unit
DTC Index
INFOID:0000000005241777
DISPLAY ITEM LIST (PRE-CRASH SEAT BELT)
Display contents of CONSULT-III
Fail-safe
B2452:SEAT BLT MTR DR CIRC
Fully deactivates the whole operation.
B2453:BR_STROKE_SEN_CIRC
Stops the operation in the conditions as per the following.
• During emergency brake operation
• When ABS continuously operates
B2455:CONTROL UNIT DR
Stops the operation in the conditions as per the following. *
1
• During emergency brake operation
• When ABS continuously operates
• When lateral slippage during cornering occurs
• When Intelligent brake assistance operates
• When steering wheel is rotated for emergency
• A part or the whole comfort function
B2456:SEAT BLT PWR AS
Fully deactivates the whole operation.
B2457:CONTROL UNIT AS
Fully deactivates the whole operation. *
1
B2458:LOCAL COMM
Fully deactivates the whole operation. *
1
B2461:VHCL SPEED SIGNAL
Stops the operation in the conditions as per the following.
• During emergency brake operation
• When ABS continuously operates
• When lateral slippage during cornering occurs
• When steering wheel is rotated for emergency
• A part or the whole comfort function
B2462:VHCL DISTANCE SIGNAL
Deactivates a part of comfort function.
B2466:DR/AS CONTROL UNIT
Stops the operation in the conditions as per the following. *
1
• During emergency brake operation
• When ABS continuously operates
• When lateral slippage during cornering occurs
• When Intelligent brake assistance operates
• When steering wheel is rotated for emergency
• A part or the whole comfort function
B2471:SYS HEAT PROTC AS
• Fully deactivates the whole operation.
• Operation return
- 1 time operation becomes possible after approximately 30 seconds
- Returns to the initial condition after approximately 8 minutes
U0126:STRG ANG SEN SIG
Stops the operation in the conditions as per the following.
• When lateral slippage during cornering occurs
• When steering wheel is rotated for emergency
U0428:STRG ANGL CAL
Stops the operation in the conditions as per the following.
• When lateral slippage during cornering occurs
• When steering wheel is rotated for emergency
DTC
Trouble diagnosis name
(CONSULT-III display)
DTC detection condition
Reference
U1000
CAN COMM CIRCUIT
Pre-crash seat belt control unit cannot transmit and receive CAN
communication signal for 2 seconds or more
B2451
SEAT BLT MTR DR CIRC
• Motor or control unit malfunction
• Seat belt motor circuit is shorted or open
B2452
SEAT BLT MTR DR CIRC
• Motor or control unit malfunction
• Seat belt motor circuit is shorted or open
PRE-CRASH SEAT BELT CONTROL UNIT
SBC-55
< ECU DIAGNOSIS INFORMATION >
C
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SBC
N
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P
B2453
BR_STROKE_SEN_CIRC
• Brake pedal stroke sensor malfunction
• Brake pedal stroke sensor circuit is short
B2454
SEAT BLT PWR DR CIRC
Motor power supply circuit is shorted or open
B2455
CONTROL UNIT DR
Malfunction in pre-crash seat belt control unit
B2456
SEAT BLT PWR AS
Motor power supply circuit is shorted or open
B2457
CONTROL UNIT AS
Malfunction in pre-crash seat belt control unit
B2458
LOCAL COMM
Local communication line shorted or open
B2461
VHCL SPEED SIGNAL
Vehicle speed signal malfunction is received
B2462
VHCL DISTANCE SIGNAL
ACC signal malfunction is received
B2466
DR/AS CONTROL UNIT
Control unit is out of the vehicle specification
B2470
SYS HEAT PROTC DR
Deactivation for cooling to prevent system heating due to continuous
operation
B2471
SYS HEAT PROTC AS
Deactivation for cooling to prevent system heating due to continuous
operation
U0126
STRG ANG SEN SIG
Steering angle sensor malfunction is received
U0428
STRG ANGL CAL
Steering angle sensor calibration incomplete signal is received
DTC
Trouble diagnosis name
(CONSULT-III display)
DTC detection condition
Reference
SBC-56
< ECU DIAGNOSIS INFORMATION >
PRE-CRASH SEAT BELT CONTROL UNIT
Wiring Diagram - PRE-CRASH SEAT BELT SYSTEM -
INFOID:0000000005241778
JCHWA0386GB
PRE-CRASH SEAT BELT CONTROL UNIT
SBC-57
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SBC
N
O
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JCHWA0387GB
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