Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collisions...
Other information:
System Description
SYSTEM DIAGRAMADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEMInput Signal Item Transmit unit Signal name Description
ECM
CAN communication
Closed throttle position signal
Receives idle position state (ON/OFF)
Accelerator pedal position signal
Receives accelerator pedal position (angle)
Engine speed signal
Receives engine speed
TCM
CAN communication
Current gear position signal
Receives a current gear position
Shift position signal
Receives a selector lever position
Output shaft revolution signal
Receives the number of revolutions of output shaft
Input shaft revolution signal
Receives the number of revolutions of input shaft
ABS actuator and electric unit (control unit)
CAN communication
ABS malfunction signal
Receives a malfunction state of ABS
TCS malfunction signal
Receives a malfunction state of TCS
VDC malfunction signal
Receives a malfunction state of VDC
Nissan Murano Vehicle speed signal
Receives the wheel speed of all four wheels
Brake fluid pressure signal
Receives brake fluid pressure
Steering angle sensor
CAN communication
Steering angle sensor signal
Receives the amount of rotation, rotational angle, and rotational direction of the steering wheel
Combination meter
CAN communication
System selection signal
Receives a selection state of each item in "Emergency Brake" selection with the combination meter
Sonar control unit
CAN communication
Sonar sensor signal
Receives obstacle information (existence & distance)
BCM
CAN communication
Stop lamp switch signal
Receives an operational state of the brake pedal
Output Signal Item Reception unit Signal name Description
ECM
CAN communication
Torque down request signal
Transmits a signal to control the electric throttle control actuator...
Description
Performing the following procedure can automatically activate recommunication of ECM and BCM, but only when the ECM is replaced with a new one*.*: New one means an ECM that has never been energized on-board.(In this step, initialization procedure by CONSULT is not necessary)CAUTION:
When replacing the ECM, a new ECM must be used...