Nissan Murano: Security Control System :: Basic Inspection / Diagnosis and Repair Work Flow
OVERALL SEQUENCE
DETAILED FLOW
GET INFORMATION FOR SYMPTOM
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Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs).
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Check operation condition of the function that is malfunctioning.
>>
GO TO 2.
CHECK DTC
CONSULT
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Check DTC.
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Perform the following procedure if DTC is detected.
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Record DTC and freeze frame data (Print them out).
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Erase DTC.
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Study the relationship between the cause detected by DTC and the symptom described by the customer.
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Check related service bulletins for information.
Are any symptoms described and any DTC detected?
Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.
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GO TO 5.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Verify relation between the symptom and the condition when the symptom is detected.
>>
GO TO 6.
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Perform DTC CONFIRMATION PROCEDURE for the detected DTC, and then check that DTC is detected again. At this time, always connect CONSULT to the Nissan Murano vehicle, and check "Self Diagnostic Result" in real time.
If two or more DTCs are detected, refer to DTC Inspection Priority Chart and determine trouble diagnosis order.
NOTE:
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Freeze frame data is useful if the DTC is not detected.
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Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service Manual. This simplified check procedure is an effective alternative though DTC cannot be detected during this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIRMATION PROCEDURE.
Is DTC detected?
YES>>GO TO 7.
NO>>Refer to Intermittent Incident.
DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS
CONSULT
Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step 4, and determine the trouble diagnosis order based on possible causes and symptom.
Is the symptom described?
YES>>GO TO 7.
NO>>Monitor input data from related sensors or check voltage of related module terminals.
DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES>>GO TO 8.
NO>>Refer to Intermittent Incident.
REPAIR OR REPLACE THE MALFUNCTIONING PART
CONSULT
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Repair or replace the malfunctioning part.
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Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replacement.
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Check DTC. If DTC is detected, erase it.
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GO TO 9.
FINAL CHECK
CONSULT
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the symptom is not detected.
Is DTC detected and does symptom remain?
YES>>DTC is detected: GO TO 7.
YES>>Symptom remains: GO TO 4.
NO>>Before returning the Nissan Murano vehicle to the customer, always erase DTC.
Additional Service When Replacing Control Unit. Ecm
Description
Performing the following procedure can automatically activate recommunication of ECM and BCM, but only when the ECM is replaced with a new one*...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: 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)...
Nissan Murano (Z52) 2015-2024 Service Manual: P062f Eeprom
DTC Description TCM compares the calculated value stored in the flash ROM with the value stored in TCM. If the calculated value does not agree with the stored value, TCM judges this as a malfunction.DTC DETECTION LOGICFlash ROM error is detected when turning ON the ignition switch...
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Vehicle security system
Your vehicle has two types of security systems:
Vehicle security system NISSAN Vehicle Immobilizer SystemThe vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.
