Nissan Sentra Service Manual: Basic inspection

Nissan Sentra Service Manual / Driver information & multimedia / Audio, visual & navigation system / Navigation with bose / Basic inspection

Diagnosis and repair workflow

Work flow

OVERALL SEQUENCE

DETAILED FLOW

DETAILED FLOW

1.GET INFORMATION FOR SYMPTOM

Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).

>> GO TO 2

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. Refer to AV-393, "Symptom Table".

>> GO TO 3

3.DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.

Is malfunctioning part detected? YES >> GO TO 4

NO >> GO TO 2

4.REPAIR OR REPLACE THE MALFUNCTIONING PART

Repair or replace the malfunctioning part.
Reconnect parts or connectors disconnected during Diagnostic Procedure.

>> GO TO 5

5.FINAL CHECK

Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.

Was the repair confirmed? YES >> Inspection End.

NO >> GO TO 2

Inspection and adjustment

Additional service when replacing av control unit

Additional service when replacing av control unit : description

BEFORE REPLACEMENT

When replacing AV control unit, save or print current vehicle specification with CONSULT configuration before replacement.

NOTE:

If вЂњBefore Replace ECUвЂќ cannot be used, use the вЂњAfter Replace ECUвЂќ or вЂњManual ConfigurationвЂќ after replacing AV control unit.

AFTER REPLACEMENT

CAUTION:

When replacing AV control unit, you must perform вЂњAfter Replace ECUвЂќ with CONSULT.

Complete the procedure of вЂњAfter Replace ECUвЂќ in order.
If you set incorrect вЂњAfter Replace ECUвЂќ, incidents might occur.
Configuration is different for each vehicle model. Confirm configuration of each vehicle model.

Additional service when replacing av control unit : work procedure

1.SAVING VEHICLE SPECIFICATION

Enter вЂњRe/Programming, ConfigurationвЂќ and perform вЂњBefore Replace ECUвЂќ to -CONSULT

Enter вЂњRe/Programming, ConfigurationвЂќ and perform вЂњBefore Replace ECUвЂќ to save or print current vehicle specification.

NOTE:

If вЂњBefore Replace ECUвЂќ cannot be used, use the вЂњAfter Replace ECUвЂќ or вЂњManual ConfigurationвЂќ after replacing AV control unit.

>> GO TO 2.

2.REPLACE AV CONTROL UNIT

Replace AV control unit. Refer to AV-406, "Removal and Installation".

>> GO TO 3.

3.WRITING VEHICLE SPECIFICATION

CONSULT

Enter "Re/Programming, Configuration".
If вЂњBefore Replace ECUвЂќ operation was performed, automatically an "Operation Log Selection" screen will be displayed. Select the applicable file from the "Saved Data List" and press вЂњConfirmвЂќ to write vehicle specification. Refer to AV-350, "CONFIGURATION (AV CONTROL UNIT) : Work Procedure".
If вЂњBefore Replace ECUвЂќ operation was not performed, select "After Replace ECU" or "Manual Configuration" to write vehicle specification. Refer to AV-350, "CONFIGURATION (AV CONTROL UNIT) : Work Procedure".

>> GO TO 4.

4.OPERATION CHECK

Check that the operation of the AV control unit and camera images (fixed guide lines) are normal.

>> Work End.

Configuration (av control unit)

Configuration (av control unit) : description

Vehicle specification needs to be written with consult because it is not written after replacing av control unit.

Configuration has three functions as follows:

Function	Description
"Before replace ecu"	Reads the vehicle configuration of current av control unit. Saves the read vehicle configuration.
"After replace ecu"	Writes the vehicle configuration with manual selection.
"Select saved data list"	Writes the vehicle configuration with saved data.

Caution:

When replacing av control unit, you must perform вЂњselect saved data listвЂќ or "after replace ecu" with consult.
Complete the procedure of вЂњselect saved data listвЂќ or "after replace ecu" in order.
If you set incorrect вЂњselect saved data listвЂќ or "after replace ecu", incidents might occur.
Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
Never perform вЂњselect saved data listвЂќ or "after replace ecu" except for new av control unit.

Configuration (av control unit) : work procedure

1.Writing mode selection

Select вЂњReprogramming, ConfigurationвЂќ of AV control unit. Consult

Select вЂњReprogramming, ConfigurationвЂќ of AV control unit.

When writing saved data>>GO TO 2.

When writing manually>>GO TO 3.

2.Perform вЂњsaved data listвЂќ

Automatically вЂњOperation Log SelectionвЂќ window will display if вЂњBefore Consult

Automatically вЂњOperation Log SelectionвЂќ window will display if вЂњBefore Replace ECUвЂќ was performed. Select applicable file from the вЂњSave Data ListвЂќ and press вЂњConfirmвЂќ.

>> Work End.

3.Perform вЂњafter replace ecuвЂќ or вЂњmanual configurationвЂќ

Consult

Select вЂњafter replace ecuвЂќ or вЂњmanual configurationвЂќ.
Identify the correct model and configuration list. Refer to AV-351, "CONFIGURATION (AV CONTROL UNIT) : Configuration List".
Confirm and/or change setting value for each item.

Caution:

Thoroughly read and understand the vehicle specification. Ecu control may not operate normally if the setting is not correct.

Select вЂњNextвЂќ.

Caution:

Make sure to select вЂњnextвЂќ, confirm each setting value and press вЂњokвЂќ even if the indicated configuration of brand new av control unit is same as the desirable configuration. If not, configuration which is set automatically by selecting vehicle model can not be memorized.

When "completed", select "end".

>> Go to 4.

4.Operation check

Confirm that each function controlled by av control unit operates normally.

>> Work end.

Configuration (av control unit) : configuration list

Caution:

Thoroughly read and understand the vehicle specification. Incorrect settings may result in abnormal control of ecu.

⇔: Items which confirm vehicle specifications

Wiring diagram

Navigation with bose Wiring diagram ...

Dtc/circuit diagnosis

U1000 can comm circuit DTC Logic Dtc detection logic Consult display Dtc detection condition Possible cause Can comm circuit [u1000] Av control unit is not transmitting ...

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Basic inspection
Diagnosis and repair workflow Work flow Overall sequence Detailed flow 1.Get information for symptom Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). >> Go to 2 2.Confirm the symptom Try to ...