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: U1010-49 Control Unit (can)

DTC Description CAN controller controls the communication of CAN communication signal and the error detection.DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition   U1010-49 CONTROL UNIT (CAN) [Control unit (CAN)] Diagnosis condition When engine is running When MAIN switch of ICC system is ON Signal (terminal) — Threshold If ADAS control unit detects malfunction by CAN controller initial diagnosis Diagnosis delay time 1 second or less POSSIBLE CAUSEADAS control unitFAIL-SAFEThe following systems are canceled: Automatic Emergency Braking (AEB) with pedestrian detection Automatic Emergency Braking (AEB) Intelligent Forward Collision Warning (I-FCW) Lane Departure Warning (LDW) Intelligent Lane Intervention (I-LI) Blind Spot Warning (BSW) Rear Cross Traffic Alert (RCTA) Rear Automatic Braking (RAB) Traffic Sign Recognition (TSR) Intelligent Drive Alertness (I-DA) Confirmation Procedure DTC CONFIRMATION PROCEDUREPERFORM DTC CONFIRMATION PROCEDURE CONSULT Start the engine...

Nissan Murano (Z52) 2015-2024 Service Manual: Preparation. Preparation

Special Service Tools The actual shape of the tools may differ from those illustrated here. Tool number (TechMate No.) Tool name Description   — (1-20-2851-1) Radar Sensor Aiming kit* Adjusting distance and radar sensors NOTE: * Tools 1–20–2721–1–IF, 1–20–2722–1–IF and J-50808 have been superseded and are no longer available, but may still be used for distance sensor alignment...