Nissan Ariya: Basic Inspection

• Diagnosis and Repair Work Flow
• Additional Service When Replacing Electrically-Driven Intelligent Brake Unit

Diagnosis and Repair Work Flow

Work Flow

DETAILS OF TROUBLE DIAGNOSIS FLOWCHART

COLLECT THE INFORMATION FROM THE CUSTOMER

It is also important to clarify customer concerns before starting the inspection. First of all, perform an interview utilizing diagnostic work sheet and reproduce the symptom as well as fully understand it. Depending on the situations, drive the Nissan Ariya vehicle with the customer and check the symptom. Refer to Diagnostic Work Sheet.

CAUTION:

Customers are not professional. Never guess easily like “maybe the customer means that...,” or “maybe the customer mentions this symptom”.

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GO TO 2.

CHECK SYMPTOM

Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by the interview. Also check that the symptom is not caused by fail-safe mode. Refer to Fail-safe.

CAUTION:

When the symptom is caused by normal operation, fully inspect each portion and obtain the understanding of customer that the symptom is not caused by a malfunction.

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GO TO 3.

PERFORM SELF-DIAGNOSIS (1)

With CONSULT

Perform self-diagnosis.

Is DTC detected?

YES>>

Record or print self-diagnosis results and freeze frame data (FFD). GO TO 4.

NO>>

GO TO 7.

PERFORM SELF-DIAGNOSIS (2)

With CONSULT

1. Power switch OFF to ON without depressing the brake pedal.

   CAUTION:

   Never set the Nissan Ariya vehicle to READY.

2. Power switch OFF and disconnect CONSULT from data link connector.

3. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

   CAUTION:

   Never operate the Nissan Ariya vehicle.

4. Power switch ON without depressing the brake pedal.

   CAUTION:

   Never set the Nissan Ariya vehicle to READY.

5. Erase self-diagnosis result of “BRAKE”.

6. Power switch OFF and disconnect CONSULT from data link connector.

7. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

   CAUTION:

   Never operate the Nissan Ariya vehicle.

8. Power switch ON without depressing the brake pedal.

   CAUTION:

   Never set the Nissan Ariya vehicle to READY.

9. Perform self-diagnosis for “BRAKE”.

Is DTC detected?

YES>>

Record or print self-diagnosis results and freeze frame data (FFD). GO TO 5.

NO>>

GO TO 7.

RECHECK SYMPTOM

With CONSULT

1. Erase self-diagnosis results from the memory.

2. Power switch OFF and disconnect CONSULT from data link connector.

3. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

   CAUTION:

   Never operate the Nissan Ariya vehicle.

4. Perform DTC reproduction procedures for the system that is malfunctioning.

   NOTE:

   When multiple DTCs are detected, refer to DTC Inspection Priority Chart. And then determine the order for performing the diagnosis.

Is DTC detected?

YES>>

GO TO 6.

NO>>

Check harness and connectors based on the information obtained by the interview. Refer to Intermittent Incident.

REPAIR OR REPLACE ERROR-DETECTED PART

1. Repair or replace the part that is malfunctioning. Reconnect part or connector after repairing or replacing. Erase DTC from the memory when DTC is detected.

2. Power switch OFF and disconnect CONSULT from data link connector.

3. Get out of the Nissan Ariya vehicle, close all doors (other than hood assembly), check that the combination meter is OFF, and wait for 1 minute or more without opening these doors.

   CAUTION:

   Never operate the Nissan Ariya vehicle.

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GO TO 7.

IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS

Estimate which system is malfunctioning according to the possible symptoms based on symptom diagnosis and perform check.

Can the malfunctioning part be identified?

YES>>

GO TO 8.

NO>>

Check harness and connectors based on the information obtained by the interview. Refer to Intermittent Incident.

FINAL CHECK

With CONSULT

1. Check the reference value for “BRAKE”. Refer to Values On The Diagnosis Tool.

2. Perform the operation check. Check that the symptom is not reproduced under the same conditions as when the symptom is reproduced before.

Is the symptom reproduced?

YES>>

GO TO 3.

NO>>

INSPECTION END

Diagnostic Work Sheet

Description

• In general, customers have their own criteria for a symptom. Therefore, it is important to understand the symptom and status well enough by interviewing the customer about the symptom carefully. To systemize all the information for the diagnosis, prepare the interview sheet referring to the interview points.

• In some cases, multiple conditions that appear simultaneously may cause a DTC to be detected.

INTERVIEW SHEET SAMPLE

Interview sheet
Customer name	MR/MS	Registration number		Initial year registration
		Nissan Ariya Vehicle type		VIN
Storage date		Traction motor		Mileage	km ( Mile)
Symptom		□ Does not operate (			) function
		□ Warning lamp for (			) turns ON.
		□ Noise                 □ Vibration
		□ Other(			)
First occurrence		□ Recently □ Other (			)
Frequency of occurrence		□ Always □  Under a certain conditions of □ Sometimes ( time(s)/day)
Climate conditions		□ Irrelevant
	Weather	□ Fine □ Cloud □ Rain □Snow □ Others (			)
	Temperature	□ Hot □Warm □ Cool □ Cold □ Temperature [Approx.			°C ( °F)]
	Relative humidity	□ High □ Moderate □ Low
Road conditions		□ Urban area □ Suburb area □ Highway □ Mountainous road (uphill or downhill) □ Rough road
Operating condition, etc.		□Irrelevant □When traction motor starts □ During idling □ During driving □ During acceleration □ At constant speed driving □ During deceleration □ During cornering (right curve or left curve) □ When steering wheel is steered (to right or to left)
Other conditions
Memo

Additional Service When Replacing Electrically-Driven Intelligent Brake Unit

Work Procedure

Vehicle specification needs to be written with CONSULT because it is not written after replacing the electrically-driven intelligent brake unit.

For details the operation, refer to “CONSULT Operation Manual”.

Work Procedure (After Replace Electrically-Driven Intelligent Brake Unit)

WRITING VEHICLE SPECIFICATION

With CONSULT

Perform writing Nissan Ariya vehicle specification to electrically-driven intelligent brake unit according to "Replace ECU" in CONSULT Operation Manual.

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GO TO 2.

PERFORM NECESSARY WORK

With CONSULT

1. Perform air bleeding. Refer to BRAKE FLUID : Air Bleeding.

2. Perform self-diagnosis for “All DTC Reading”.

3. Erase the memory of self-diagnosis results.

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WORK END