| http://www.w3.org/ns/prov#value | - The mechanic may connect voltmeters, oscilloscopes and other test equipment to the left most test points to test the idle speed control output signals from the ECM. The right pointing arrow and the marking IAC indicate to the mechanic that the four right most test points refer only to the IAC. The coil symbols are memory devices to aid the mechanic in testing the coils of the IAC stepper motor.
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