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: Maintenance :: Preparation. Preparation

Special Service Tool The actual shape of the tools may differ from those illustrated here. Tool number (TechMate No.) Tool name Description  —  (J-48891) Spark plug socket Removing and installing spark plug  —  (J-51771) Cooling system pressure test kit  —  (J-51771-1) Main body  —  (J-51771-4) Small adapter  —  (J-51771-5) Pump with quick release  —  (J-51771-9) Radiator cap assembly with quick coupler Checking cooling system and radiator cap KV991J0070 (J-45695-A) Coolant Refill Tool Refilling engine cooling system (J-43926) Refrigerant dye leak detection kit Kit includes: UV lamp and UV safety goggles Refrigerant dye injector Fluorescent leak detection dye (box of 24, 1/4 ounce bottles) Refrigerant dye cleaner Power supply: DC 12V (battery terminal) (J-52990) Fluorescent Oil Dye (TIFZX) Electronic Refrigerant Leak Detector Detects refrigerant leaks KV311039S0 ( — ) Charging pipe set KV31103920* ( — ) O-ring CVT fluid changing and adjustment ( — ) (J-52584) CVT stand pipe adapter kit CVT fluid changing and adjustment (—) (J-51155) CVT8 fluid level quick check gauge Checking CVT fluid level ( — ) (J-52611) CVT charge pipe cap release tool Removing CVT charge pipe cap Commercial Service Tool (TechMate No...

Nissan Murano (Z52) 2015-2024 Service Manual: B260f Eng State Sig Lost

DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition B260F ENG STATE SIG LOST (Engine state signal lost) Diagnosis condition When ignition switch is ON. Signal (terminal) — Threshold BCM has not yet received the engine status signal from ECM when ignition switch is in the ON position...