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Engine running at idle speed
Engine throttle valve Closed
(accelerator pedal in idle position)
Vehicle stationary
Press key F8 in the system main menu, select the
desired test using the arrow keys and confirm with Yes.
Follow the instructions in the TECH 1 display
Note:
In this mode, it is possible to set the idle air adjuster to
a fixed position using the arrow keys.
In addition, the Yes and No keys can be used
to display the various data list parameters.
The F9 key is used to store data as in the snapshot
mode.
In this check mode, TECH 1 specifies the position of
the idle air adjuster. Idle air control is no longer active.
This mode should be used if it appears necessary to evaluate
the various engine parameters (e. g. 02 INTEGRATOR
or INJECTION PULSE) at a fixed idle
speed position (constant air quantity), or to determine whether the idle air
adjuster travels over the entire movement range evenly and without sticking.
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