OVERALL SEQUENCE

DETAILED FLOW
GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
At the dealer, check whether the customer’s Nissan Murano vehicle has been registered for the telematics service. If it is not registered, do not replace the TCU, and register for the telematics service.
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GO TO 2.
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.
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GO TO 3.
PERFORM SELF DIAGNOSTIC RESULT
CONSULT
Ignition switch ON and wait for 2 seconds or more.
Select “Self Diagnostic Result” mode of “TELEMATICS”.
If DTC U1A01 or U1A02 is detected, refer to DTC Description (U1A01) or DTC Description (U1A02).
Are any DTCs detected?
YES>>Refer to DTC Index.
NO>>GO TO 4.
PERFORM SYMPTOM DIAGNOSIS
Refer to Symptom Table.
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GO TO 5.
FINAL CHECK
After confirming registration status and DTC status, if the phenomenon that the telematics service cannot be used continues for more than 5 minutes and does not resolve, replace the TCU. Refer to Removal and Installation.
Refer to symptom described by the customer in step 2.
Is the symptom still present?
YES>>GO TO 2.
NO>>Inspection End.
Additional Service When Replacing Tcu
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.