Infiniti QX56 (Z62). Manual - part 1079

 

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Infiniti QX56 (Z62). Manual - part 1079

 

 

SBC-16

< ECU DIAGNOSIS INFORMATION >

PRE-CRASH SEAT BELT CONTROL UNIT (DRIVER SIDE)

DTC Index

INFOID:0000000006237885

DTC

Trouble diagnosis name

(CONSULT-III display)

DTC detection condition

Reference

U0126

STRG ANG SEN SIG

Steering angle sensor malfunction is received

SBC-33

U0428

STRG ANGL CAL

Steering angle sensor calibration incomplete signal is received

SBC-34

U1000

CAN COMM CIRCUIT

Pre-crash seat belt control unit cannot transmit and receive CAN 
communication signal for 2 seconds or more

SBC-35

B2451

SEAT BLT MTR DR CIRC

• Motor or control unit malfunction
• Seat belt motor circuit is open or shorted

SBC-36

B2452

SEAT BLT MTR AS CIRC

• Motor or control unit malfunction
• Seat belt motor circuit is open or shorted

SBC-37

B2453

BR_STROKE_SEN_CIRC

• Brake pedal stroke sensor malfunction
• Brake pedal stroke sensor circuit is open or shorted

SBC-38

B2454

SEAT BLT PWR DR CIRC

Motor power supply circuit is open or shorted

SBC-41

B2455

CONTROL UNIT DR

Malfunction in pre-crash seat belt control unit 

SBC-42

B2456

SEAT BLT PWR AS CIRC

Motor power supply circuit is open or shorted

SBC-43

B2457

CONTROL UNIT AS

Malfunction in pre-crash seat belt control unit 

SBC-44

B2458

LOCAL COMM

Local communication line open or shorted

SBC-45

B2461

VHCL SPEED SIGNAL

Vehicle speed signal malfunction is received

SBC-47

B2463

ROLLOVER SIGNAL

Rollover signal malfunction is received

SBC-48

B2466

DR/AS CONTROL UNIT

Control unit is out of the vehicle specification

SBC-49

B2470

SYS HEAT PROTC DR

Deactivation for cooling to prevent system heating due to continuous 
operation

SBC-50

B2471

SYS HEAT PROTC AS

Deactivation for cooling to prevent system heating due to continuous 
operation

SBC-51

PRE-CRASH SEAT BELT CONTROL UNIT (PASSENGER SIDE)

SBC-17

< ECU DIAGNOSIS INFORMATION >

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PRE-CRASH SEAT BELT CONTROL UNIT (PASSENGER SIDE)

Reference Value

INFOID:0000000006237886

TERMINAL LAYOUT

PHYSICAL VALUES

Fail Safe

INFOID:0000000006237887

• 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 opera-

tion. 

JMHIA0711ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

Signal name

Input/

Output

1

(Y)

Ground

Power supply 

Input

Battery voltage

6

(LG/B)

Ground

Seat belt buckle switch signal

Input

Seat belt is fastened

0 V

Seat belt is unfastened

5 V

8

(G)

Ground

Local Communication Line 2

Input/

Output

IGN ON

5 V

9

(–)

Ground

Shield

16

(W)

Ground

Local Communication Line 1

Input/

Output

18

(B)

Ground

Ground

0 V

19

(W)

Ground

Motor passenger circuit power supply

Input

Battery voltage

20

(B)

Ground

Motor passenger circuit ground

0 V

Display contents of CONSULT-III

Fail-safe

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

SBC-18

< 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

U1000

CAN communication circuit

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
• When the vehicle inclined excessively
• A part or the whole comfort function

B2452

SEAT BLT MTR AS 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
• When the vehicle inclined excessively
• 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
• When the vehicle inclined excessively
• A part or the whole comfort function

B2463

ROLLOVER SIGNAL

When the vehicle inclined excessively

B2466

DR/AS CONTROL UNIT

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 the vehicle inclined excessively
• 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

Display contents of CONSULT-III

Fail-safe

PRE-CRASH SEAT BELT SYSTEM

SBC-19

< WIRING DIAGRAM >

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WIRING DIAGRAM

PRE-CRASH SEAT BELT SYSTEM

Wiring Diagram

INFOID:0000000006237888

JCHWM0714GB

 

 

 

 

 

 

 

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