Nissan Pathfinder. Manual — part 165
AV
DIAGNOSIS AND REPAIR WORKFLOW
AV-487
< BASIC INSPECTION >
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000009174677
OVERALL SEQUENCE
Reference 1: Refer to
.
Reference 2: Refer to
.
DETAILED FLOW
1.
CHECK SYMPTOM
Check the malfunction symptoms by performing the following items.
• Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred).
• Check the symptom.
>> GO TO 2
2.
SELF-DIAGNOSIS (CONSULT)
1. Connect CONSULT and perform “SELF-DIAGNOSIS” for “MULTI AV”.
NOTE:
Skip to step 4 of the diagnosis procedure if “MULTI AV” is not displayed.
2. Check if any DTC No. is displayed in the self-diagnosis results.
AWNIA2486GB
AV-488
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[PREMIUM AUDIO WITH NAVIGATION]
DIAGNOSIS AND REPAIR WORKFLOW
Is any DTC No. displayed?
YES
>> GO TO 3
NO
>> GO TO 4
3.
CHECK SELF-DIAGNOSIS RESULTS (CONSULT)
1. Check the DTC No. indicated in the self-diagnosis results.
2. Perform the relevant diagnosis referring to the DTC No. list. Refer to
NOTE:
Start with the diagnosis for the CAN communication system if “CAN COMM CIRCUIT [U1000] or CONTROL
UNIT (CAN) [U1010]” is displayed.
>> GO TO 5
4.
PERFORM DIAGNOSIS BY SYMPTOM
Perform the relevant diagnosis referring to the diagnosis chart by symptom. Refer to
.
>> GO TO 5
5.
REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace the identified malfunctioning parts.
NOTE:
Erase the stored self-diagnosis results after repairing or replacing the relevant components if any DTC No. has
been indicated in the self-diagnosis results.
>> GO TO 6
6.
CHECK AFTER REPAIR
1. Perform self-diagnosis for “MULTI AV” with CONSULT after repairing or replacing the malfunctioning
parts.
2. Check if any DTC No. is displayed in the self-diagnosis results.
Is any DTC No. displayed?
YES
>> GO TO 3
NO
>> GO TO 7
7.
FINAL CHECK
Perform the operation check to confirm that the malfunction symptom is solved or that any other symptoms
are present.
Are any symptoms present?
YES
>> GO TO 4
NO
>> Inspection End.
AV
INSPECTION AND ADJUSTMENT
AV-489
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INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING AV CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING AV CONTROL UNIT : Description
INFOID:0000000009174678
BEFORE REPLACEMENT
When replacing AV control unit, save or print current vehicle specification with CONSULT configuration before
replacement.
NOTE:
If “Before Replace ECU” cannot be used, use the “After Replace ECU” or “Manual Configuration” after replac-
ing AV control unit.
AFTER REPLACEMENT
CAUTION:
When replacing AV control unit, you must perform “After Replace ECU” with CONSULT.
• Complete the procedure of “After Replace ECU” in order.
• If you set incorrect “After Replace ECU”, 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
INFOID:0000000009174679
1.
SAVING VEHICLE SPECIFICATION
CONSULT
Enter “Re/Programming, Configuration” and perform “Before Replace ECU” to save or print current vehicle
specification.
NOTE:
If “Before Replace ECU” cannot be used, use the “After Replace ECU” or “Manual Configuration” after replac-
ing AV control unit.
>> GO TO 2.
2.
REPLACE AV CONTROL UNIT
Replace AV control unit. Refer to
AV-611, "Removal and Installation"
>> GO TO 3.
3.
WRITING VEHICLE SPECIFICATION
CONSULT
1. Enter "Re/Programming, Configuration".
2. If “Before Replace ECU” operation was performed, automatically an "Operation Log Selection" screen will
be displayed. Select the applicable file from the "Saved Data List" and press “Confirm” to write vehicle
specification. Refer to
AV-490, "CONFIGURATION (AV CONTROL UNIT) : Work Procedure"
3. If “Before Replace ECU” operation was not performed, select "After Replace ECU" or "Manual Configura-
tion" to write vehicle specification. Refer to
AV-490, "CONFIGURATION (AV CONTROL UNIT) : Work Pro-
>> GO TO 4.
4.
OPERATION CHECK
Check that the operation of the AV control unit is normal.
>> Work End.
CONFIGURATION (AV CONTROL UNIT)
AV-490
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INSPECTION AND ADJUSTMENT
CONFIGURATION (AV CONTROL UNIT) : Description
INFOID:0000000009174680
Vehicle specification needs to be written with CONSULT because it is not written after replacing AV control
unit.
Configuration has three functions as follows:
CAUTION:
• When replacing AV control unit, you must perform “Select Saved Data List” or "After Replace ECU"
with CONSULT.
• Complete the procedure of “Select Saved Data List” or "After Replace ECU" in order.
• If you set incorrect “Select Saved Data List” or "After Replace ECU", incidents might occur.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
• Never perform “Select Saved Data List” or "After Replace ECU" except for new AV control unit.
CONFIGURATION (AV CONTROL UNIT) : Work Procedure
INFOID:0000000009174681
1.
WRITING MODE SELECTION
CONSULT
Select “Reprogramming, Configuration” of AV control unit.
When writing saved data>>GO TO 2.
When writing manually>>GO TO 3.
2.
PERFORM “SAVED DATA LIST”
CONSULT
Automatically “Operation Log Selection” window will display if “Before Replace ECU” was performed. Select
applicable file from the “Save Data List” and press “Confirm”.
>> Work End.
3.
PERFORM “AFTER REPLACE ECU” OR “MANUAL CONFIGURATION”
CONSULT
1. Select “After Replace ECU” or “Manual Configuration”.
2. Identify the correct model and configuration list. Refer to
AV-491, "CONFIGURATION (AV CONTROL
3. 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.
4. Select “Next”.
CAUTION:
Make sure to select “Next”, confirm each setting value and press “OK” even if the indicated con-
figuration 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.
5. When "Completed", select "End".
>> GO TO 4.
4.
OPERATION CHECK
Confirm that each function controlled by AV control unit operates normally.
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.
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