Idle Speed Test; Sensor Test - Actron Professional Enhanced Scan Tool 9640A User Manual

Chrysler Diagnostics
To return to the Chrysler Functions list, press the

IDLE SPEED TEST

The Idle Speed Test is used to test the functionality of the vehicle idle speed
control system. The test allows the user to enter the desired engine speed. The
test vehicle should respond by matching the speed commanded. If the vehicle
matches the demanded engine speed, the idle speed control system is func-
tioning properly.
Select Idle Speed Test from the
Chrysler Functions list and press
E N T E R
The tool instructions may vary depend-
ing on the vehicle information entered.
However, in all cases it will instruct the
user to perform the following:
1) Set the Parking Brake.
2) Turn A/C off.
3) Start engine and let idle .
! WARNING
! WARNING
Use the
change the Ideal RPM (engine speed).
The vehicle should respond by match-
ing the Ideal RPM.
Press the
7
the test and return to the Chrysler
Functions list.

SENSOR TEST

The Sensor Test is used to view the sensor outputs of some monitored vehicle
systems. The Sensor Test is similar to View Data , as it allows the user to read
the current output of various sensors throughout the vehicle.
Select Sensor Test from the Chrysler
Functions list and press
Turn ignition key On — Engine can be Off or Running. Press
scan tool will build a list of sensors and display them.
7 – 8 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
.
Keep hands and Tools away from fan and engine during
test.
Carbon monoxide (CO) and other vehicle emissions are
harmful or fatal to personnel. Always operate vehicle in a
well ventilated area.
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