Nissan Murano: Sonar System :: Dtc/circuit Diagnosis / B272d Front Buzzer

B2724 Sonar Control Unit

DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B2724–23 SONAR CONTROL UNIT (Sonar control unit) — Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (under voltage) Diagnosis delay time — B2724–24 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (over voltage) Diagnosis delay time — B2724–44 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (RAM failure) Diagnosis delay time — B2724–45 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (ROM failure) Diagnosis delay time — B2724–46 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (EEPROM failure) Diagnosis delay time — B2724–48 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (internal software execution failure) Diagnosis delay time — B2724–49 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (basic chip set failure) Diagnosis delay time — B2724–55 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (not configured) Diagnosis delay time — B2724–86 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (SPI comm failure) Diagnosis delay time — B2724–87 Diagnosis condition When ignition switch is ON Signal (terminal) — Threshold Sonar ECU internal failure (high side switch failure) Diagnosis delay time — POSSIBLE CAUSE Charging system malfunction Sonar control unit power supply or ground circuit Sonar control unit configuration Sonar control unit FAIL-SAFE Off indicator blinks periodically (500ms ON, 500ms OFF)...

B2738 Front Sensor Power

DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition B2738–11 FRONT SENSOR POWER (Front sensor power) — Diagnosis condition Ignition switch ON Signal (terminal) Front sensor power supply (terminal 11) Threshold Front sensor power supply is short to ground Diagnosis delay time 4 seconds or more B2738–12 Diagnosis condition Ignition switch ON Signal (terminal) Front sensor power supply (terminal 11) Threshold Front sensor power supply is short to voltage Diagnosis delay time 4 seconds or more B2738–87 Diagnosis condition Ignition switch ON Signal (terminal) Front sensor power supply (terminal 11) Threshold Connection error is detected between sonar control unit and Front sonar sensors Diagnosis delay time 4 seconds or more POSSIBLE CAUSE Harness or connectors Sonar control unit FAIL-SAFEObstacle detection function is deactivated DTC Confirmation Procedure DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...

Other information:

Nissan Murano (Z52) 2015-2024 Service Manual: Driver Assistance System Symptoms

Symptom Table CAUTION: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. NOTE: Before performing diagnosis, check that it is not a symptom caused by normal operation. Refer to the following: Intelligent Drive Alertness system: System Description Traffic Sign Recognition system: System Description Rear Automatic Braking system: System Description Blind Spot Warning system: System Description Rear Cross Traffic Alert system: System Description Intelligent Forward Collision Warning: System Description Lane Departure Warning system: System Description Intelligent Lane Intervention system: System Description Symptom Confirmation item Inspection item/Reference page LDW/I-LI/BSW/RCTA/TSR/I-DA/I-FCW/RAB system display does not illuminate All of system display does not illuminate System settings cannot be turned ON/OFF Refer to Diagnosis Procedure...

Nissan Murano (Z52) 2015-2024 Service Manual: Check Anti-Pinch Function

Description The initialization is necessary for normal operation of power window system If any of the following operations are performed: When control unit is replaced. Electric power supply to power window switch or motor is interrupted by blown fuse or disconnection and connection of the negative battery terminal...