Product Manual

FCAR Product Manual
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Figure 3.5.3-3 Data Flow Comparison
3.5.4 ACTUATION TEST
By performing this function, you can access the vehicle-specific subsystem and perform
component testing, when performing the actuation test, the diagnostic device inputs an
instruction to the ECU to drive the actuator, and thereby determines whether the actuator
of the vehicle electronic control system and its line are normal. Different control systems
of different models have different test options. Please refer to the menu display.
The following is an example of the air conditioner compressor command state under
Ford's PCM (Powertrain Control Module).
How to do actuation test
1) Enter Ford PCM (Powertrain Control Module) diagnostic interface by select Auto
Vehicle Selection or Manual Vehicle Selection;
2) Select [Actuation Test] on Diagnosis interface;
3) Test item selection [ACC_CMD (air conditioner compressor command status)];
4) Drive the air conditioner compressor operation through [Off] and [On] buttons.
When an operation is successfully completed, the screen will display Operation
Successfully” or other similar prompt information, as shown in Figure 3.5.4-1.
5) According to the implementation, test whether the working state of the air