Mitsubishi ECLIPSE Technical Information Manual

I-84
ENGINE <TURBO> - Control System
OXYGEN SENSOR MONITORING
(1) Monitoring method
Detect the response time of front 02 sensor
output signals when air-fuel ratio is changed
intentionally from lean to rich or rich to lean
under the hot steady state condition.
EGR SYSTEM MONITORING
(1) Monitoring method
Operate EGR valve intentionally in the area
of deceleration and detect the change of the
EGR gas flow signal.
FUEL SYSTEM MONITORING
(1) Monitoring method
l
A/F feedback compensation value is moni-
tored.
OTHER SYSTEM MONITORS
(2) Malfunction criteria
If the response time value is larger than the
predetermined value, an 02 sensor malfunction
is indicated.
(2) Malfunction criteria
If the change of the EGR gas flow signal is
smaller than the predetermined value, an EGR
system malfunction is indicated.
(2) Malfunction criteria
If the A/F feedback compensation value is larger
than the predetermined value, an fuel system
malfunction is indicated.
(1) Refer to Group, 13 -
Troubleshooting in the Service manual.

Mitsubishi ECLIPSE Specifications

General

Brand	Mitsubishi
Model	ECLIPSE
Category	Automobile
Language	English