Nissan Murano: Srs Air Bag Control System :: Basic Inspection / Diagnosis and Repair Work Flow
OVERALL SEQUENCE
DETAILED FLOW
INTERVIEW THE CUSTOMER FOR THE SYMPTOM
Interview the customer for the symptom (the condition and the environment when the incident/malfunction occurs).
>>
GO TO 2.
CHECK SYMPTOM
Check the symptom from the customer information.
>>
GO TO 3.
CHECK WARNING LAMP OPERATION
Check air bag warning lamp operation in the user mode.
Are any malfunctions detected?
YES>>GO TO 5.
NO>>GO TO 4.
CHECK LOW VOLTAGE
CONSULT
Check low voltage.
Are any malfunctions detected?
YES>>GO TO 9.
NO>>Check intermittent incident. Refer to Intermittent Incident.
CHECK SELF DIAGNOSTIC RESULT
CONSULT
Check “Self Diagnostic Result” or diagnosis mode.
If it is impossible to switch to diagnosis mode, follow the same procedure that DTC is not detected.
NOTE:
Perform the following procedure if DTC is detected:
-
Record DTC. (Print them out.)
-
Erase “Self Diagnostic Result”.
-
Study the relationship between the malfunction that DTC or air bag warning lamp indicates and the symptom that the customer describes.
-
Check related service bulletins for information.
Is DTC detected?
YES>>GO TO 6.
NO>>GO TO 7.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the DTC.
>>
GO TO 8.
PERFORM DIAGNOSIS ACCORDING TO WARNING LAMP OPERATION
-
Check air bag warning lamp operation in the user mode.
-
Perform Diagnosis Procedure for the air bag warning lamp operation.
>>
GO TO 9.
DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the DTC.
>>
GO TO 9.
REPAIR OR REPLACE THE MALFUNCTION PART
Repair or replace the malfunctioning part.
>>
GO TO 10.
ON BOARD DIAGNOSIS FUNCTION
Check “Self Diagnostic Result” and air bag warning lamp operation in the user mode.
Is the malfunction repaired?
YES>>Inspection End.
NO>>GO TO 2.
Other information:
Nissan Murano (Z52) 2015-2024 Owners Manual: On-pavement and off-road driving precautions
Utility vehicles have a significantly higher rollover rate than other types of vehicles. They have higher ground clearance than passenger cars to make them capable of performing in a variety of on-pavement and off-road applications. This gives them a higher center of gravity than ordinary vehicles...
Nissan Murano (Z52) 2015-2024 Service Manual: B2422 Back Door State
DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B2422–78 BACK DOOR STATE (Back door state) Diagnosis condition All times Signal (terminal) Encoder LH A signal, encoder LH B signal, encoder RH A signal, encoder RH B signal (automatic back door control module connector terminal: 19, 20, 21) Threshold When the automatic back door control module detect the encoder pulse signal LH does not according with the encoder pulse signal RH Diagnosis delay time – B2422–79 BACK DOOR STATE (Back door state) Diagnosis condition All times Signal (terminal) – Threshold When automatic back door position information is deleted from automatic back door control module memory Diagnosis delay time – POSSIBLE CAUSE Improper installation of back door assembly Calibration of automatic back door position information Back door mechanism Encoder Harness or connectors (encoder circuit is open or shorted) Automatic back door control module Battery terminal is disconnected and reconnected FAIL-SAFEInhibit automatic back door system auto open/close function DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...
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Unfastening the seat belts. Checking seat belt operation
Unfastening the seat belts
To unfasten the seat belt, press the button
on the buckle 
. The seat belt
automatically
retracts.
