Nissan Leaf. Manual — part 319
BRC-66
< BASIC INSPECTION >
[WITH VDC]
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000010120049
DETAILED FLOW
1.
INTERVIEW FROM THE CUSTOMER
Clarify customer complaints before inspection. First of all, perform an interview utilizing
and reproduce the symptom as well as fully understand it. Ask customer about his/her complaints
carefully. Check symptoms by driving vehicle with customer, if necessary.
CAUTION:
Customers are not professional. Never guess easily like “maybe the customer means that...,” or “
maybe the customer mentions this symptom”.
>> GO TO 2.
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
.
CAUTION:
When the symptom is caused by normal operation, fully inspect each portion and obtain the under-
standing of customer that the symptom is not caused by a malfunction.
>> GO TO 3.
3.
PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
1. Turn the power switch OFF
→ ON.
CAUTION:
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
• Set the vehicle to READY.
2. Repeat step 1 two or more times.
3. Perform “Self Diagnostic Result”.
Is any DTC detected?
YES
>> Record or print self-diagnosis results and freeze frame data (FFD). GO TO 4.
NO
>> GO TO 6.
4.
RECHECK SYMPTOM
With CONSULT
1. Erase “Self Diagnostic Result” of “ABS”.
2. Turn the power switch OFF
→ ON → OFF.
CAUTION:
Be sure to wait of 10 seconds after turning power switch OFF or ON.
3. Perform DTC confirmation procedures for the error-detected system.
NOTE:
If some DTCs are detected at the some time, determine the order for performing the diagnosis based on
BRC-55, "DTC Inspection Priority Chart"
[ABS actuator and electric unit (control unit)].
Is any DTC detected?
YES
>> GO TO 5.
NO
>> Check harness and connectors based on the information obtained by interview. Refer to
.
5.
REPAIR OR REPLACE ERROR-DETECTED PART
• Repair or replace error-detected parts.
• Reconnect part or connector after repairing or replacing.
DIAGNOSIS AND REPAIR WORK FLOW
BRC-67
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• When DTC is detected, erase “Self Diagnostic Result” of “ABS”.
CAUTION:
• Turn the power switch OFF
→ ON → OFF after erase “Self Diagnostic Result”.
• Be sure to wait of 10 seconds after turning power switch OFF or ON.
>> GO TO 7.
6.
IDENTIFY ERROR-DETECTED SYSTEM BY SYMPTOM DIAGNOSIS
Estimate error-detected system based on symptom diagnosis and perform inspection.
Can the error-detected system be identified?
YES
>> GO TO 7.
NO
>> Check harness and connectors based on the information obtained by interview. Refer to
.
7.
FINAL CHECK
With CONSULT
1. Check the reference value of “ABS”.
2. Recheck the symptom and check that the symptom is not reproduced on the same conditions.
Is the symptom reproduced?
YES
>> GO TO 3.
NO
>> Inspection End.
Diagnostic Work Sheet
INFOID:0000000010120050
Description
• In general, customers have their own criteria for a problem. Therefore, it is important to understand the
symptom and status well enough by asking the customer about his/her concerns 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
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 con-
ditions
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
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)
BRC-68
< BASIC INSPECTION >
[WITH VDC]
DIAGNOSIS AND REPAIR WORK FLOW
Other conditions
Memo
Interview sheet
Customer
name
MR/MS
Registration
number
Initial year
registration
Vehicle type
VIN
Storage date
Traction Motor
Mileage
km ( Mile)
ADDITIONAL SERVICE WHEN REPLACING ABS ACTUATOR AND ELECTRIC
UNIT (CONTROL UNIT)
BRC-69
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ADDITIONAL SERVICE WHEN REPLACING ABS ACTUATOR AND ELEC-
TRIC UNIT (CONTROL UNIT)
Description
INFOID:0000000010120051
When replaced the ABS actuator and electric unit (control unit), Perform steering angle sensor neutral posi-
.
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