Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 207
ENGINE DRIVEABILITY AND EMISSIONS
6E–69
F4: Injector Balance Test
When the Tech 2 is operated, selected injector turns ON
or OFF.
The circuit is normal if engine vibration is changed at
selected cylinder in accordance with this operation
when engine is idling.
– Press “Injector Off” key.
Then, engine speed drops and vibration occurs when
a cylinder is selected.
– Press “Quit” Key.
Injector Balance Test
Engine Speed
800 RPM
Desired Idle Speed
762 RPM
Engine Coolant Temperature
80
Start Up ECT
50
Intake Air Temperature
30
Start Up IAT
25
Manifold Absolute Pressure
35KPa
Injector 1
On
6E–70
ENGINE DRIVEABILITY AND EMISSIONS
PLOTTING SNAPSHOT GRAPH
This test selects several necessary items from the data
list to plot graphs and makes data comparison on a long
term basis. It is an effective test particularly in emission
related evaluations.
060RX037
For trouble diagnosis, you can collect graphic data
(snap shot) directly from the vehicle.
You can replay the snapshot data as needed. Therefore,
accurate diagnosis is possible, even though the vehicle
is not available.
ENGINE DRIVEABILITY AND EMISSIONS
6E–71
Plotting Graph Flow Chart (Plotting graph after obtaining vehicle information)
D06RY00167
6E–72
ENGINE DRIVEABILITY AND EMISSIONS
Flow Chart for Snapshot Replay (Plotting Graph)
060RX0-40
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