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: Diag on Can

System Description SYSTEM DIAGRAM Name Harness Description DDL1 Tx Rx For communications with the diagnostic tool. (CAN-H and CAN-L are used for controlling) DDL2 K-LINE For communications with the diagnostic tool. (CAN-H and CAN-L are used for controlling) Diag on CAN CAN-H CAN-L For communications with the diagnostic tool...

Nissan Murano (Z52) 2015-2024 Service Manual: Int Lamp

CONSULT Function (BCM - INT LAMP) ECU IDENTIFICATIONThe BCM part number is displayed.SELF DIAGNOSTIC RESULTRefer to DTC Index.DATA MONITOR Monitor Item [Unit] Description REQ SW -DR [On/Off] Indicates condition of door request switch LH. REQ SW -AS [On/Off] Indicates condition of door request switch RH...