Details Of Trouble Diagnosis Flowchart

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.

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 vehicle with the customer and check the symptom.

CAUTION: Customers are not professionals. Never guess easily like "maybe the customer means that...," or "maybe the customer mentions this symptom".

Go to 2.
CHECK SYMPTOM
Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by 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.

Go to 3.
PERFORM SELF-DIAGNOSIS
With CONSULT

Perform "EHS/PKB" self-diagnosis

Is DTC detected?

YES: Record or print self-diagnosis results. Go to 4.

NO: Go to 6.
RECHECK THE SYMPTOM
With CONSULT
1. Erase self-diagnosis results from the memory.
2. Perform DTC reproduction procedures for the system that is malfunctioning.
  NOTE: If multiple DTCs are detected, refer to "DTC INSPECTION PRIORITY CHART " and determine the order for performing the diagnosis.
  
  Is DTC detected?
  
  YES: Go to 5.
  
  NO: Check harness and connectors based on the information obtained by interview. Refer to "INTERMITTENT INCIDENT ".
REPAIR OR REPLACE MALFUNCTIONING PART
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.

Go to 6.
IDENTIFY MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS
Determine malfunctioning system according to the possible symptoms based on symptom diagnosis and perform check.

Can the malfunctioning part be identified?

YES: Go to 7.

NO: Check harness and connectors based on the information obtained by interview. Refer to "INTERMITTENT INCIDENT ".
FINAL CHECK
With CONSULT
1. Check the reference value for "EHS/PKB". Refer to "REFERENCE VALUE ".
2. Check the operation. Check that the symptom is not reproduced under the same conditions that reproduced the symptom before.
  Is the symptom reproduced?
  
  YES: Go to 3.
  
  NO: INSPECTION END