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: Component Parts. Engine Control System

Component Parts Location ENGINE ROOM No. Component Function IPDM E/R IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request signals received from control units via CAN communication...

Nissan Murano (Z52) 2015-2024 Service Manual: Meter, Warning Lamp & Indicator :: Precaution. Precautions

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...