LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1985 >> Chevette L4-98 1.6L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Modes of Operation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Modes of Operation


On "Minimum Function Systems" grounding ECM terminal 18 compensates for high altitude operation.