Isuzu 4ja1, Workshop Manual

Page: 284 / 564

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
□
Engine Does
Not Run
□ Engine does not crank □
No initial combustion
□ No complete combustion
□
Hard Start
□
Engine cranks slowly
□
Other ( )
□ Abnormal idling speed □
High idling speed ( RPM)
□ Low idling speed ( RPM)
□
Rough idling □ Incorrect Idle
□
Other ( )
□ Hesitation, sag, stumble □
Surge, chuggles
□ Cut out, misses
□
Lack of power, sluggishness, sponginess □
Poor
Driveability
□ Other ( )
□
Soon after starting
□
After accelerator pedal depressed
Engine Stall □ During A/C operation □ After accelerator pedal released □ Shifting from N to D □
□ Other (
)
□ Black smoke □ White smoke □ Poor fuel economy
□ Fuel knock, combustion noise
P
roblem
S
ym
pt
om
s
□
Others
□
Other ( )
Dates problem occurred
□
Constant
□
Intermittently ( times per day/month)
□
Once only
Problem frequency
□ Other (
)
□
Fine
□
Cloudy
□
Rainy
□
Snow
Weather
□
Various/Other ( )
□ Hot (approx. ) □ Warm □ Cool □ Cold (approx. )
Outside
Temperature
□
Any temperature
□ Highway □
Suburbs
□
City area
□ Uphill
Place
□
Downhill
□
Rough road
□
Other ( )
□
Over (approx. tons)
□
No load
Load Condition
□
Other (approx. tons)
□ Cold □ Warming up □ After warming up □ Any temperature
Engine
Temperature
□
Other ( )
□ Starting □
Just after starting ( Min.)
□ Idling
□ Racing □ Driving □ Constant speed □ Acceleration
□
Deceleration
□
A/C switch On/Off
Engine Operation
□ Other ( )
Fuel Amount
□
Full
□
Above 1/2
□
Below 1/2
□
Near empty
Condit
ion When P
roblem
Oc
cu
rs
Fuel Bland
Condition of MIL
□
Remains On
□
Intermittently turns On
□
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