Nissan Murano: Srs Air Bag Control System :: Dtc/circuit Diagnosis / B1426 Disposal Deployment Detection
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. |
| Signal (terminal) | Air bag diagnosis sensor unit is malfunctioning. | ||
| Threshold | — | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
-
Air bag module has been deployed
-
Internal malfunction of air bag diagnosis sensor unit
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
CHECK SELF DIAGNOSIS RESULT
CONSULT
-
Ignition switch ON.
-
Select "Self Diagnostic Result" mode of "AIR BAG".
-
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 DIAGNOSIS RESULT
CONSULT
Erase the DTC.
Can the DTC be erased?
YES>>Inspection End.
NO>>Refer to DTC Diagnosis Procedure.
DTC CONFIRMATION PROCEDURE
CHECK SELF DIAGNOSIS RESULT
CONSULT
-
Ignition switch ON.
-
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.
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.
HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
-
Visible damage to connector or terminal
-
Loose terminal
-
Poor connection
NOTE:
All harness connectors should be inspected from the air bag diagnosis sensor unit to the end component (including any in-line connectors).
Is the inspection result normal?
YES>>GO TO 2.
NO>>Perform one of the following repairs:
-
Visible damage: Replace the harness.
-
Loose terminal: Secure the terminal.
-
Poor connection: Secure the connection.
CONFIRM DTC
CONSULT
-
Reconnect all harness connectors.
-
Ignition switch ON.
-
Select "Self Diagnostic Result" mode of "AIR BAG".
-
Check for DTC.
Is DTC still current?
YES>>GO TO 3.
NO>>Refer to Intermittent Incident.
WIRING HARNESS
Check the wiring harness for visible damage.
NOTE:
The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component (including any in-line connectors).
Is the inspection result normal?
YES>>GO TO 4.
NO>>Replace the harness.
CONFIRM DTC
CONSULT
-
Reconnect all harness connectors.
-
Ignition switch ON.
-
Select "Self Diagnostic Result" mode of "AIR BAG".
-
Check for DTC.
Is DTC still current?
YES>>GO TO 5.
NO>>Refer to Intermittent Incident.
AIR BAG DIAGNOSIS SENSOR UNIT
CONSULT
-
Replace the air bag diagnosis sensor unit. Refer to Removal and Installation.
-
Ignition switch ON.
-
Select "Self Diagnostic Result" mode of "AIR BAG".
-
Check for DTC.
Is DTC still current?
YES>>GO TO 6.
NO>>Clear DTC. Inspection End.
RELATED HARNESS
Replace the related harness.
>>
Inspection End.
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...
B1427 Config Setting
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC Detection Condition
B1427-55
ECU SETTING
(Electronic control unit setting)
Diagnosis condition
When ignition switch is 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: Av Control Unit
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Fuel gauge
The gauge indicates the approximate fuel level in the tank.
The gauge may move slightly during braking, turning, acceleration, or going up or down hills.
The gauge needle returns to 0 (Empty) after the ignition switch is placed in the OFF position.
