Fail Safe

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Display contents of CONSULT	Fault	Fail-safe operation
U1000: CAN COMM CIRCUIT	Loss of communication with ABS actuator and electric unit (control unit) Loss of communication with TCU	Front sonar system is OFF, rear sonar system is ON (selector lever in reverse) Front and rear sonar system are OFF
B2720: Rear left side external sensor	Open circuit/short circuit to ground Short circuit to voltage Sensor element malfunction	Obstacle detection of the sensor in error is stopped Audible warning (sonar buzzer) of all sensors is stopped Sonar buzzer sounds for 3 seconds
B2723: Rear right side external sensor
B2724: ECU	Configuration check	Off indicator blinks periodically (500ms ON, 500ms OFF) Sonar buzzer sounds for 3 seconds
B2729: Front left side external sensor	Open circuit/short circuit to ground Short circuit to voltage Sensor element malfunction	Obstacle detection of the sensor in error is stopped Audible warning (sonar buzzer) of all sensors is stopped Sonar buzzer sounds for 3 seconds
B272C: Front right side external sensor