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owners manual Mitsubishi Eclipse
owners manual Mitsubishi Eclipse - year of production: 1995, 1996, 1997, 1998, 1999 - Mitsubishi Eclipse II technical information manual EN
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from owners manual to the vehicle Mitsubishi Eclipse, year of production 1995 - 1999:
1-26 ENGINE - Control System
ACTUATORS AND CONTROL
FUEL INJECTORS
I/
The 2.0L engine uses electrically operated top feedsensor inputs. The PCM grounds the MFI and fuel
fuel injectors. The MFI relay (automatic shut downpump relays after receiving the camshaft position
relay) supplies battery voltage to the fuel injectors.
sensor and crankshaft position sensor inputs.
The PCM controls the ground path for each injector
The PCM energizes the injectors in a sequential
in sequence. By switching the ground paths on and
order during all engine operating conditions except
off, the PCM fine-tunes injector pulse width. Injector
start-up. For the first injector pulse width during
pulse width refers to the amount of time an injector
operates. start-up, all injectors are energized at the same
time. Once the PCM determines crankshaft position,
The PCM determines injector synchronization fromit beings energizing the injectors in sequence.
the camshaft position sensor and crankshaft position
IDLE AIR CONTROL MOTOR N71AK21AA
The idle air control (IAC) motor is mounted on theThe PCM adjusts engine idle speed by moving the
throttle body. The PCM operates the idle air control
IAC motor pintle in and out of the bypass passage.
motor. The PCM adjusts engine idle speed through
The adjustments are based on inputs the PCM re-
the idle air control motor to compensate for engine
load or ambient conditions. ceives. The inputs include the throttle position sen-
sor, crankshaft position sensor, coolant temperature
sensor, vehicle speed sensor and various switch
The throttle body has an air bypass passage that
operations (brake, park/neutral, air conditioning,
provides air for the engine during closed throttle
power steering).
idle. The idle air control motor pintle protrudes into
the air bypass passage and regulates air flow
through it.
AFU0079
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year of production from: 1995
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Mitsubishi Eclipse II technical information manual
pages 44 - 50
Mitsubishi Eclipse II technical information manual
page 47 / 381
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