When installing a CB, ham radio or car phone in your vehicle, be sure to observe the following precautions; otherwise, the new equipment may adversely affect the engine control system and other electronic parts.
WARNING
Some jurisdictions prohibit the use of cellular phones while driving.
CAUTION
NissanConnectSM Mobile Apps (if so equipped)This vehicle is equipped with Smartphone Integration technology. This allows many compatible Smartphone applications to be displayed and easily controlled through the vehicle's touchscreen. NOTE: ...

WARNING Use a phone after stopping your vehicle in a safe location. If you have to use a phone while driving, exercise extreme caution at all times so full attention may be given to vehicl ...
B terminal circuit
Description
Terminal "B" is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR, "Wiring Diagram - With
Intelligent Key System" or
STR, "Wiring Diagram - Without Intelligent Key System".
CAUTION: Perform diagnosis ...
U1117 Lost communication (ABS)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U1117
Lost Communication With ABS
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from ABS actuator control unit
cont ...