Rio & Spectra

Ensure engine is at normal operating temperature. Turn off all electrical loads. Set transaxle or transmission in Park or Neutral and steering wheel on straight forward position. Connect non-inductive tachometer positive lead to terminal No. 3 of underhood Data Link Connector (DLC). See Figure. Or tachometer inductive pick-up on spark plug wire. Start engine and allow it to idle. Check idle speed. See IDLE SPEED SPECIFICATIONS  table.