Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis and Repair Work Flow

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Telematics System / Basic Inspection / Diagnosis and Repair Work Flow

Work Flow

Work Flow

OVERALL SEQUENCE

DETAILED FLOW

GET INFORMATION FOR SYMPTOM
1. 1. Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
  2. At the dealer, check whether the customer’s Nissan Sentra 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
1. 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
1. CONSULT
  1. Ignition switch ON and wait for 2 seconds or more.
  2. Select “Self Diagnostic Result” mode of “IVC”.
Are any DTCs detected?
YES >>
Refer to DTC Index.
NO >>
GO TO 4.
PERFORM SYMPTOM DIAGNOSIS
1. Refer to Symptom Table.
>>
GO TO 5.
FINAL CHECK
1. 1. 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.
  2. Refer to symptom described by the customer in step 2.
Is the symptom still present?
YES >>
GO TO 2.
NO >>
Inspection End.

Basic Inspection

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Additional Service When Replacing Tcu

Description Description Note: You must have ALL customer keys before beginning this procedure. Each TCU is registered to a specific VIN. TCU’s can ...

Other materials:

Symptom Table
Symptom Table Note: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. Symptom Possible cause ...

Wiper blade
Wiper blade WIPER BLADE : Removal and Installation REMOVAL Put the wiper arms in the service position. Turn the ignition switch ON and then OFF. Within 1 minute, activate washer switch 2 times in less than 0.5 seconds to put the wiper arms in the service position. Lift the w ...

Removal and Installation
Removal and Installation CAUTION: When removing radiator core support upper, be careful not to damage the painted surface. REMOVAL Disconnect the battery. Refer to Battery Disconnect. Remove front bumper fascia. Refer to Exploded View. Remove crash zone ...