Egr Solenoid (Calif.) - Mitsubishi 1989-1993 GALANT Service Manual

FUEL SYSTEM <SOHC-8 VALVE>
EGR SOLENOID <Calif.>
OPERATION
The EGR solenoid is a duty-control type of sole-
l
noid valve; it performs its control function by
leaking the EGR valve-activation vacuum to the
throttle body A port.
TROUBLESHOOTING HINTS
If the diagnostic trouble code for EGR system
malfunction is output even though the results of
checking the EGR solenoid harness and the
INSPECTION
Using Scan tool
Function
A c t u a t o r t e s t 10
EGR solenoid
Engine
control
module
Description
TSB Revision
Component
l Battery power supply is supplied, by way of the
When the engine control module switches OFF
the power transistor within the unit, current
stops flowing to the coil, and the EGR valve-ac-
tivation negative pressure leaks.
component itself are normal, check the EGR valve,
the vacuum hose piping, and the EGR passage for
clogging.
conditions
Inspection
Components
01 LO838
Normal condition
Operating sound is
heard when driven.