Nissan Murano: Srs Air Bag Control System :: Dtc/circuit Diagnosis / B1400 Through B1420 Air Bag Diagnosis Sensor Unit

Nissan Murano (Z52) 2015-2024 Service Manual / Restraints / Srs Air Bag Control System :: Dtc/circuit Diagnosis / B1400 Through B1420 Air Bag Diagnosis Sensor Unit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)
DTC detecting condition
B1400-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1401-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1402-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1403-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1404-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1405-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1406-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1407-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1408-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1409-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1410-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1411-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1412-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1413-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1414-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1415-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1416-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1417-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1418-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1419-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —
B1420-00

CONTROL UNIT

[UNIT MALFUNC]
Diagnosis condition When ignition switch is ON.
Signal (terminal) —
Threshold —
Diagnosis delay time —

POSSIBLE CAUSE

Malfunction in air bag diagnosis sensor unit

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

CHECK SELF DIAGNOSTIC RESULT

CONSULT

  1. Ignition switch ON.

  2. Select "Self Diagnostic Result" mode of "AIR BAG".

  3. Check for DTC.

Is the DTC detected?

YES>>

(Current DTC) Refer to DTC Diagnosis Procedure.

YES>>

(Past DTC) GO TO 2.

NO>>

Inspection End.

ERASE SELF DIAGNOSTIC RESULT

CONSULT

Erase the DTC.

Can the DTC be erased?

YES>>

Inspection End.

NO>>

Refer to DTC Diagnosis Procedure.

DTC CONFIRMATION PROCEDURE

CHECK SELF DIAGNOSTIC RESULT

CONSULT

  1. Ignition switch ON.

  2. Check the air bag warning lamp status. Refer to SRS Operation Check.

NOTE:

SRS will not enter diagnosis mode if no malfunction is detected in user mode.

Is the DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

Inspection End.

Diagnosis Procedure

WARNING:

  • Before servicing, ignition switch OFF, disconnect battery negative terminal, and wait at least 3 minutes or more. (To discharge backup capacitor.)

  • Never use unspecified tester or other measuring device.

CHECK HARNESS CONNECTOR

Check the harness connector for disconnection, looseness or damage.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Damage: Replace malfunctioning harness and connector.

NO>>

Disconnection or looseness: Securely lock the connector.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Replace malfunctioning harness and connector.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

  1. Replace air bag diagnosis sensor unit. Refer to Removal and Installation.

  2. Perform DTC confirmation procedure. Refer to DTC Description.

Is DTC detected?

YES>>

GO TO 1.

NO>>

Inspection End.

    B00d5 Passenger Air Bag Off Indicator

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B00D5-04 PASS A/B INDCTR CKT [UNIT MALFUNC] Diagnosis condition When ignition switch is ON...

    B1426 Disposal Deployment Detection

    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B1426-00 AIRBAG DISPOSAL DETECT Diagnosis condition When ignition switch is ON...

    Other information:

    Nissan Murano (Z52) 2015-2024 Service Manual: C1201 Controller Failure


    DTC Description DTC DETECTION LOGICMalfunction has occurred inside AWD control unit. DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition C1201 CONTROLLER FAILURE (Control unit failure) Diagnosis condition Ignition switch: ON Signal — Threshold — Diagnosis delay time — POSSIBLE CAUSEInternal malfunction of AWD control unitFAIL-SAFEFront-wheel drive or shifts to 4-wheel drive (rear-wheels still have some driving torque)...

    Nissan Murano (Z52) 2015-2024 Service Manual: Encoder. Front Lh


    Component Function Check CHECK ENCODER Check that driver side door glass performs AUTO open/close operation normally by main power window and door lock/unlock switch. Is the inspection result normal? YES>> Encoder is OK. NO>> Refer to Diagnosis Procedure...

    Categories

    Luggage hooks

    Nissan Murano. Luggage hooks

    When securing items using luggage hooks located on the back of the seat or side finisher do not apply a load over more than 6.5 lbs. (29 N) to a single hook.

    The luggage hooks that are located on the floor should have loads less than 110 lbs. (490 N) to a single hook.

    read more

     
    Copyright © 2026 www.nimurano.com