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Home >> Mercury >> 1993 >> Villager V6-181 3.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> NGS Diagnostic Tool >> NGS Screen Displays >> Screen Display 15
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Screen Display 15

Screen Display #15A:




Screen Display #15B:





15. Screen Display # 15 (A and B).
Follow the instructions on Screen Display # 15A to adjust the idle air control valve. Press TRIGGER to start. An adjustment screen (15B) will appear. Engine RPM, Engine Coolant Temperature (ECT), Throttle Position (TP) voltage, Air-Conditioner Switch (AC SW) signal, and Idle Switch (IDLE SW) condition are displayed. The IAC valve setting is held at 0%, while the IAC valve is manually positioned for the proper engine RPM. Press CANCEL to exit to Screen Display # 13, where you can select THROTTLE SENSOR ADJUST if needed. Press CANCEL again (while in Screen Display # 13) to exit to Screen Display #9. Turn the menu dial to highlight another function, ACTIVE TESTS. Press TRIGGER. Screen Display # 16 will appear.

NOTE: ACTIVE TESTS function is available only on ENGINE.
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