Chapter 4 EI system diagnosis Section 4 EI system troubleshooting
4—11
Section 4 EI system troubleshooting
CUSTOMER COMPLAINT ANALYSIS
Record details of the problem (failure, complaint) and how it occurred as described by the customer.
Forthispurpose,useofsuchaninspectionformwillfacilitatecollectinginformationtothepointrequiredforprop
er analysis anddiagnosis.
EXAMPLE : CUSTOMER PROBLEM INSPECTION FORM
User name : Model : VIN :
Date of issue : Date Reg. : Date of problem : Mileage :
Engine warning lamp
口
Always ON
口 Sometimes ON
口
Always
OFF
口
Good
condition
Malfunction display / code
(odometer screen) or
Blinks signal
( Engine warning lamp)
口
No code
口
Malfunction code (
)
PROBLEM SYMPTOMS
Difficult Starting
No cranking
No initial
No combustion
Poor starting at
(口cold 口warm口always)
Other
Poor Driveability
H
esitation onacceleration
Back fire /
Afterfire
Lack
ofpower
Surging
Abnormal knocking
Enginerpmjumpsbriefly
Other
Poor Idling
Engine Stall when
Poor fast Idle
Immediately after start
Abnormal idling speed
Throttle valve is opened
(
High
Low)(rpm)
Throttle valve is closed
Unstable
Load is applied
Hunting( rpm.Torpm)
Other
Other
OTHERS :
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