Isuzu 4ja1 - Diagnostic Information And Procedures

6E-30 Engine Control System (4JH1)
Diagnostic Information And Prosedures
Engine Control System Check Sheet
ENGINE CONTROL SYSTEM CHECK SHEET
Inspectors Name
Customer’s Name Model & Model Year
Driver’s Name Chassis No.
Date Vehicle Brought In Engine No.
License No. Odometer Reading Km/miles
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Engine Does
Not Run
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Engine does not crank
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No initial combustion
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No complete combustion
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Hard Start
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Engine cranks slowly
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Other ( )
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Abnormal idling speed
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High idling speed ( RPM)
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Low idling speed ( RPM)
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Rough idling
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Incorrect Idle
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Other ( )
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Hesitation, sag, stumble
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Surge, chuggles
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Cut out, misses
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Lack of power, sluggishness, sponginess
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Poor
Driveability
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Other ( )
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Soon after starting
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After accelerator pedal depressed
Engine Stall
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During A/C operation
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After accelerator pedal released
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Shifting from N to D
□
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Other ( )
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Black smoke
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White smoke
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Poor fuel economy
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Fuel knock, combustion noise
Problem Symptoms
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Others
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Other ( )
Dates problem occurred
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Constant
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Intermittently ( times per day/month)
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Once only
Problem frequency
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Other ( )
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Fine
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Cloudy
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Rainy
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Snow
Weather
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Various/Other ( )
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Hot (approx. )
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Warm
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Cool
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Cold (approx. )
Outside
Temperature
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Any temperature
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Highway
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Suburbs
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City area
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Uphill
Place
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Downhill
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Rough road
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Other ( )
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Over (approx. tons)
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No load
Load Condition
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Other (approx. tons)
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Cold
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Warming up
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After warming up
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Any temperature
Engine
Temperature
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Other ( )
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Starting
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Just after starting ( Min.)
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Idling
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Racing
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Driving
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Constant speed
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Acceleration
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Deceleration
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A/C switch On/Off
Engine Operation
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Other ( )
Fuel Amount
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Full
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Above 1/2
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Below 1/2
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Near empty
Condition When Problem Occurs
Fuel Bland
Condition of MIL
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Remains On
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Intermittently turns On
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Does not turn On
Present Code
□
Nothing
□
P Code & Symptom Code
No. (
)
Diagnostic Trouble
Code (DTC) or Flash
Code
History Code
□
Nothing
□
P Code & Symptom Code
No. (
)
Other Additional
Condition