OSCILLOSCOPE SIGNAL PATTERN
F2-159prose procedureCONTROL SYSTEM
OSCILLOSCOPE SIGNAL PATTERN
Fuel Injector Control Signal
Condition: At idle after warm-up
Fuel injector ON time increases during warm-up, acceleration, and heavy load condition to supply fuel in relation to the engine requirement.
Idle Air Control Valve Signal
Condition: At idle after warm-up
Signal pattern changes depends on load condition.