gas type NISSAN SERENA 1993 Service Repair Manual

E.G,R,
SYSTEM
Sch6malic Feler to outcK-GLow sYsTEir.
Wiring Diagram
Felef to olJtcK GLow sYsTEM.
De€crlplion
The F
G F
sysrem is d€srgnod ro
contrcr l.e .omation
o, NOr
emission by €circulalng
the exhaust gas
into th6 i.taka
man-
ilod psege
through lhe E.c.B. onrrot valve.
The enqne load
signal is
dot€ci€o wirh
lhe pol6ntion€r€r
insr.ned o. lhe '!el
ijecrion p-mp
cori@l laer. Tre e.g'ne
€eoluiion s€nsof lo€ted
on the oil pump
cov* pod!@s
the
Th€ E.G.R.
contol valve is aclivar€d by
lh€ vacuuh, g.n.€t€d
by rh€ vacuum pump.
E.G.R. @nrrclslenold
vatves aG us6d
lo conv€rl
lhe elecl @l signal fbm rha
contrcl devicg inlo a -
The E,G,B. syst6m is d€acrivated
when ihe wal6r lempeaturc
is low. The w.t€r lempehlue
sensor is oJ lh€ th6mi6tor
type
lhat d6l€cls lh€ r€mDeElure
ai th€ qlind€r
head.
EF & EC-398

HARNESS
LAYOUT
Main Harness -
L.H.D. Models
REAR SIDE
6rr)Y
nesistor @
lgnrlron coil---J4
\-f- E
C C.S controt unil
@ Dnvefs
side door switch (Type
A)
@ :
Rear solenord valve (SR2ODE
& LO2O
)
(D ro@
@ ro@
@ ro
-6D
@ :
Slide door
conneclor (s-door)
@ :To
@ (sR2oDE)
@! :
Driver s side
door swrtch (Type
B)
@ :
Radio condenser (SRmDE
I GA16OE)
@ :
Resislor (SR2ODE
A GAl6DE)
( .
Power transrstor
{SR2OOE 8 GA16DE)
@ lgn
rion
coil (Sn2ODE)
@ Air
flow
m€ter (SRmDE
& GA16DE)
@t Exhaust
gas
sensor (SR20DE)
@ gnrtron
coil (GA16DE)
EL-l12 MEL6188