Nissan Juke F15. Manual - part 1190

 

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Nissan Juke F15. Manual - part 1190

 

 

STC-16

< WIRING DIAGRAM >

ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM

JRGWC2689GB

ELECTRONICALLY CONTROLLED POWER STEERING SYSTEM

STC-17

< WIRING DIAGRAM >

C

D

E

F

H

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J

K

L

M

A

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STC

N

O

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JRGWC2690GB

STC-18

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000012199927

DETAILED FLOW

1.

INTERVIEW FROM THE CUSTOMER

Clarify customer complaints before inspection. First of all, perform an interview utilizing 

STC-19, "Diagnostic

Work Sheet"

 and reproduce symptoms 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 protection function. Refer to 

STC-12,

"Protection Function"

.

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-DIAGNOSIS

With CONSULT

Perform self-diagnosis.
Is any DTC detected?

YES

>> Record or print DTC and freeze frame data (FFD). GO TO 4.

NO

>> GO TO 6.

4.

RECHECK SYMPTOM

With CONSULT

1. Erase self-diagnostic results for “EPS”.

2. Perform DTC confirmation procedures for the error detected system.

NOTE:

If some DTCs are detected at the same time, determine the order for performing the diagnosis based on 

STC-

12, "DTC Inspection Priority Chart"

.

Is any DTC detected?

YES

>> GO TO 5.

NO

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

GI-45,

"Intermittent Incident"

.

5.

REPAIR OR REPLACE ERROR-DETECTED PARTS

• Repair or replace error-detected parts.

• Reconnect part or connector after repairing or replacing.

• When DTC is detected, erase self-diagnostic results for “EPS”.

>> 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?

DIAGNOSIS AND REPAIR WORKFLOW

STC-19

< BASIC INSPECTION >

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STC

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YES

>> GO TO 7.

NO

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

GI-45,

"Intermittent Incident"

.

7.

FINAL CHECK

With CONSULT

1. Check the reference value for EPS control unit.

2. Recheck the symptom and check that symptom is not reproduced on the same conditions.
Is the symptom reproduced?

YES

>> GO TO 3.

NO

>> INSPECTION END

Diagnostic Work Sheet

INFOID:0000000012199928

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

Engine

Mileage

km (Mile)

Symptom

†

The steering wheel position (center) is in the wrong position.

†

EPS warning lamp turns on.

†

Noise

†

Vibration

†

Others

(

)

First occurrence

†

Recently

†

Others (

)

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

†

High way

†

Mounting road (uphill or down hill)

†

Rough road

Operation conditions, etc.

†

Irrelevant

†

When engine starts

†

During idling

†

During driving

†

During acceleration

†

At constant speed driving

†

During deceleration

†

During cornering (right curve or left curve)

†

During steering

 

 

 

 

 

 

 

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