Mitsubishi Eclipse. Manual - part 715

 

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Mitsubishi Eclipse. Manual - part 715

 

 

HOW TO USE THIS MANUAL

TSB Revision

GENERAL

00-3

NOTES

HOW TO USE THIS MANUAL

TSB Revision

GENERAL

00-4

AC102240

<<A>>
>>A<<

Omitted if

(s

.

disassembly.
or assembly.

Symbols are used to show the locations for lubrication

.

These symbols are included in the diagram of compo-
nent parts or on the page following the component 
parts page. The symbols do not always have accomp-
anying text to support that symbol.

Multi-purpose grease unless there is a

AB

HOW TO USE THIS MANUAL

TSB Revision

GENERAL

00-5

AC102241

parts sets are

Removal,

AB

TROUBLESHOOTING GUIDELINES

TSB Revision

GENERAL

00-6

TROUBLESHOOTING GUIDELINES

M1001008800221

VERIFY THE COMPLAINT

• Make sure the customer's complaint and the ser-

vice writer's work order description are under-
stood before starting work.

• Make sure the correct operation of the system is 

understood. Read the service manual description 
to verify any aspect of normal system operation.

• Operate the system to see the symptoms. Look 

for other symptoms that were not reported by the 
customer, or on the work order, that may be 
related to the problem.

DETERMINE POSSIBLE CAUSES

Compare the confirmed symptoms to the diagnostic 
symptom indexes to get to the right diagnosis proce-
dure. 
If the confirmed symptoms can not be found on any 
symptom index, determine other possible causes.

• Analyze the system diagrams and list all possible 

causes for the problem symptoms.

• Rank all these possible causes in order of proba-

bility, based on how much of the system they 
cover, how likely they are to be the cause, and 
how easy they will be to check. Be sure to take 
experience into account. Consider the causes of 
similar problems seen in the past. The list of 
causes should be ranked in order from general to 
specific, from most-likely to least-likely, and from 
easy-to-check to hard-to-check.

FIND THE PROBLEM

After the symptoms have been confirmed, and prob-
able causes have been identified, the next step is to 
make step-by-step checks of the suspected system 
components, junctions, and links in logical order.
Use the diagnostic procedures in the service manual 
whenever possible. Follow these procedures care-
fully to avoid missing an important step in the diagno-
sis sequence. It might be the skipped step that leads 
to the solution of the problem.
If the service manual doesn't have step-by-step pro-
cedures to help diagnose the problem, come up with 
a series of checks based on the ranked list of proba-
ble causes. Troubleshooting checks should be made 
in the order that the list of causes was ranked:

• general to specific

• most-likely to least-likely

• easy-to-check to hard-to-check

REPAIR THE PROBLEM

When the step-by-step troubleshooting checks find a 
fault, perform the proper repairs. Be sure to fix the 
root cause of the problem, not just the symptom. Just 
fixing the symptom, without fixing the root cause, will 
cause the symptom to eventually return.

VERIFY THE REPAIR

After repairs are made, recheck the operation of the 
system to confirm that the problem is eliminated. Be 
sure to check the system thoroughly. Sometimes 
new problems are revealed after repairs have been 
made.

HOW TO USE TROUBLESHOOTING/

INSPECTION SERVICE POINTS

M1001000200496

Troubleshooting of electronic control systems for 
which the scan tool can be used follows the basic 
outline described below. Even in systems for which 
the scan tool cannot be used, part of these systems 
still follow this outline.

TROUBLESHOOTING CONTENTS

.

1. STANDARD FLOW OF DIAGNOSTIC TROU-
BLESHOOTING
Troubleshooting strategy is shown in each group.

.

2. SYSTEM OPERATION AND SYMPTOM 
VERIFICATION TESTS
If verification of the symptom(s) is difficult, proce-
dures for checking operation and verifying symptoms 
are shown.

.

3. DIAGNOSTIC FUNCTION
The following trouble code diagnosis are shown.

• How to read diagnostic trouble codes

• How to erase diagnostic trouble codes

• Input inspection service points

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