Infiniti FX35, FX50 (S51). Manual — part 1598
SBC-50
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT WARNING SYSTEM
JCHWA0400GB
PRE-CRASH SEAT BELT CONTROL UNIT
SBC-51
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SBC
N
O
P
ECU DIAGNOSIS INFORMATION
PRE-CRASH SEAT BELT CONTROL UNIT
Reference Value
INFOID:0000000005241775
VALUES ON THE DIAGNOSIS TOOL
CONSULT-III MONITOR ITEM
TERMINAL LAYOUT
PHYSICAL VALUES (DRIVER SIDE)
Monitor item
Condition
Value/Status
(Approx.)
BUCKLE SW RH
RH seat belt is not fastened
OFF
RH seat belt is fastened
ON
BUCKLE SW LH
RH seat belt is not fastened
OFF
RH seat belt is fastened
ON
VEHICLE DISTANCE
Not activated
OFF
Activated
ON
IGN SW
Ignition switch OFF
OFF
Ignition switch ON
ON
FR DOOR SW RH
LH door close
CLOSE
LH door open
OPEN
FR DOOR SW LH
RH door close
CLOSE
RH door open
OPEN
VHCL SPEED
While driving
Equivalent speedometer reading (km/h)
BRK PEDAL SNSR1
Brake released
→
depressed
(1 V
→
4 V)
BRK PEDAL SNSR2
Brake released
→
depressed
(4 V
→
1V)
STRG ANGLE
Ignition switch ON
Depending on steering angle (deg)
STRG ACCL SPEED
Ignition switch ON
Depending on steering acceleration speed
(deg/s)
HEAT PROTC RH
RH heat protection is not activated
OFF
RH heat protection is activated
ON
HEAT PROTC LH
LH heat protection is not activated
OFF
LH heat protection is activated
ON
JMHIA0711ZZ
SBC-52
< ECU DIAGNOSIS INFORMATION >
PRE-CRASH SEAT BELT CONTROL UNIT
*
1
: Perform the measurement while connecting the control unit and the harness.
PHYSICAL VALUES (PASSENGER SIDE)
Terminal No.
(Wire color)
Description
Condition
Value*
1
(Approx.)
+
–
Signal name
Input/
Output
1
(SB)
GND
Power supply
Input
—
Battery voltage
2
(G)
GND
Brake pedal stroke sensor signal 1
Input
Brake released
→
de-
pressed
1V - 4V
4
(P)
GND
CAN-L
Input/
Output
—
—
6
(LG)
GND
Seat belt buckle switch signal
Input
Seat belt is fastened
0 V
Seat belt is unfastened
5 V
8
(G)
GND
Local Communication Line 2
Input/
Output
IGN ON
5 V
9
(BR)
GND
Shield
—
—
—
10
(B)
GND
Brake pedal stroke sensor power circuit
Output
IGN ON
5 V
12
(R)
GND
Brake pedal stroke sensor signal 2
Input
Brake released
→
de-
pressed
4V - 1V
14
(L)
GND
CAN-H
Input/
Output
—
—
16
(W)
GND
Local Communication Line 1
Input/
Output
—
—
17
(W)
GND
Brake pedal stroke sensor ground circuit
Input
—
0 V
18
(B)
GND
GND
Output
—
0 V
19
(W)
GND
Motor drive circuit power supply
Input
—
Battery voltage
20
(B)
GND
Motor drive circuit ground
Output
—
0 V
Terminal No.
(Wire color)
Description
Condition
Value*
1
(Approx.)
+
–
Signal name
Input/
Output
1
(Y)
GND
Power supply
Input
—
Battery voltage
6
(V)
GND
Seat belt buckle switch signal
Input
Seat belt is fastened
0 V
Seat belt is unfastened
5 V
8
(G)
GND
Local Communication Line 2
Input/
Output
IGN ON
5 V
9
(B)
GND
Shield
—
—
—
16
(W)
GND
Local Communication Line 1
Input/
Output
—
—
18
(B)
GND
GND
Output
—
0 V
PRE-CRASH SEAT BELT CONTROL UNIT
SBC-53
< ECU DIAGNOSIS INFORMATION >
C
D
E
F
G
I
J
K
L
M
A
B
SBC
N
O
P
*
1
: Perform the measurement while connecting the control unit and the harness.
Fail Safe
INFOID:0000000005241776
When a system malfunction is detected, deactivates a part of the system or all functions depending on the
malfunctioning part.
When the malfunction condition recovers to the normal condition, the system returns to the normal operation.
DRIVER SIDE
*
1
: The deactivation mode differs depending on the internal malfunctioning condition of control unit
19
(W)
GND
Motor passenger circuit power supply
Input
—
Battery voltage
20
(B)
GND
Motor passenger circuit ground
Output
—
0 V
Terminal No.
(Wire color)
Description
Condition
Value*
1
(Approx.)
+
–
Signal name
Input/
Output
Display contents of CONSULT-III
Fail-safe
B2451:SEAT BLT MTR DR CIRC
Fully deactivates the whole operation.
B2452:SEAT BLT MTR AS CIRC
Deactivates a part of comfort function.
B2453:BR_STROKE_SEN_CIRC
Stops the operation in the conditions as per the following.
• During emergency brake operation
• When ABS continuously operates
• A part of comfort function
B2454:SEAT BLT PWR DR CIRC
Fully deactivates the whole operation.
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
Deactivates a part of comfort function.
B2457:CONTROL UNIT AS
Deactivates a part of comfort function.
B2458:LOCAL COMM
Deactivates a part of comfort function.
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
• When comfort function operates
B2462:B2462:VHCL DISTANCE SIGNAL
Deactivates a part of comfort function.
B2466:DR/AS CONTROL UNIT
Deactivates a part of comfort function.
B2470:SYS HEAT PROTC DR
• 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
• A part of comfort function
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
• A part of comfort function
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст