Nissan Murano: Srs Air Bag Control System :: Dtc/circuit Diagnosis / B142x Collision Detection

Nissan Murano (Z52) 2015-2024 Service Manual / Restraints / Srs Air Bag Control System :: Dtc/circuit Diagnosis / B142x Collision Detection

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)
DTC detecting condition
B1421-00 FRONTAL COLLISION Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time
B1422-00 SIDE COLLISION Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time
B1423-00 ROLLOVER DETECTION Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time
B1425-00 REAR COLLISION Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time

POSSIBLE CAUSE

[B1421-00]

  • Malfunction of frontal-related parts

  • Internal malfunction of air bag diagnosis sensor unit

[B1422-00]

  • Malfunction of side-related parts

  • Internal malfunction of air bag diagnosis sensor unit

[B1423-00]

  • Malfunction of rollover-related parts

  • Internal malfunction of air bag diagnosis sensor unit

[B1425-00]

  • Malfunction of rear-related parts

  • Internal malfunction of 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

Refer to For Frontal Collision or For Side and Rollover Collision.

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    LATCH (Lower Anchors and Tethers for CHildren) system

    Nissan Murano. LATCH (Lower Anchors and Tethers for CHildren) system

    LATCH system lower anchor locations - bench seat

    Your vehicle is equipped with special anchor points that are used with LATCH system compatible child restraints. This system may also be referred to as the ISOFIX or ISOFIX compatible system. With this system, you do not have to use a vehicle seat belt to secure the child restraint unless the combined weight of the child and child restraint exceeds 65 lbs. (29.5 kg). If the combined weight of the child and child restraint is greater than 65 lbs. (29.5 kg), use the vehicle’s seat belt (not the lower anchors) to install the child restraint. Be sure to follow the child restraint manufacturer’s instructions for installation.

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