CONTROL SYSTEM [13B-MSP]
01-40–25
01-40
2009 Mazda RX-8 Serv
i
ce H
i
ghl
i
ghts (3452–1U–08C)
Rev
i
sed 11/2008 (Ref
.
No
.
R321/08)
PCM FUNCTION [13B-MSP]
id0140g1105300
Funct
i
on L
i
st
x
The control descr
i
pt
i
ons are as shown below
.
End Of S
i
e
PCM CONSTRUCTION/OPERATION [13B-MSP]
id0140g1105400
x
Located
i
n front area of the eng
i
ne compartment
.
x
120-p
i
n connector
i
s used for the PCM
.
End Of S
i
e
NG
:
HEATED OXYGEN SENSOR
AIR FUEL RATIO (A/F) SENSOR FUNCTION [13B-MSP]
id0140g1256000
x
The w
i
de-range a
i
r/fuel rat
i
o sensor, wh
i
ch can l
i
nearly detect the oxygen concentrat
i
on (a
i
r/fuel rat
i
o of the a
i
r-
fuel m
i
xture)
i
n the exhaust gas
i
n all ranges, from lean to r
i
ch,
i
s used on the A/F sensor
.
x
A heater has been adopted on the A/F sensor, allow
i
ng stable detect
i
on of the oxygen concentrat
i
on even when
the exhaust gas temperature
i
s low
.
End Of S
i
e
Funct
i
on
Descr
i
pt
i
on
Ma
i
n relay control
Turns on the ma
i
n relay accord
i
ng to requests from the controls, even when the
i
gn
i
t
i
on sw
i
tch
i
s off
.
Dr
i
ve-by-w
i
re control
Controls the dr
i
ve-by-w
i
re actuator to obta
i
n the opt
i
mum throttle valve open
i
ng angle
accord
i
ng to the eng
i
ne operat
i
on cond
i
t
i
ons
.
Dr
i
ve-by-w
i
re relay control
Controls the dr
i
ve-by-w
i
re relay accord
i
ng to the
i
gn
i
t
i
on sw
i
tch s
i
gnal
.
Sequent
i
al dynam
i
c a
i
r
i
ntake
system (S-DAIS) control
Controls the VFAD soleno
i
d valve (w
i
th VFAD), SSV soleno
i
d valve, VDI soleno
i
d valve (13B-
MSP(h
i
gh power)), and APV motor accord
i
ng to the eng
i
ne speed cond
i
t
i
on
.
Fuel
i
n
j
ect
i
on control
Calculates the opt
i
mum fuel
i
n
j
ect
i
on amount accord
i
ng to the eng
i
ne cond
i
t
i
ons, and controls
i
n
j
ect
i
on t
i
me and
i
n
j
ect
i
on t
i
m
i
ng of the
i
n
j
ector
.
Fuel pump control
Controls the fuel pump relay accord
i
ng to the eccentr
i
c shaft pos
i
t
i
on sensor s
i
gnal
.
Fuel pump speed control
Controls fuel pump speed control relay accord
i
ng to the fuel amount requ
i
red by the eng
i
ne
.
Ign
i
t
i
on t
i
m
i
ng control
Controls t
i
m
i
ng of the energ
i
zat
i
on appl
i
ed to the
i
gn
i
t
i
on co
i
ls accord
i
ng to the eng
i
ne
cond
i
t
i
ons
.
Secondary a
i
r
i
n
j
ect
i
on
control
Controls the secondary a
i
r
i
n
j
ect
i
on soleno
i
d valve and secondary a
i
r
i
n
j
ect
i
on pump relay at
startup w
i
th the cold eng
i
ne
.
Evaporat
i
ve purge control
Controls the purge soleno
i
d valve accord
i
ng to the dr
i
v
i
ng cond
i
t
i
on
.
Meter
i
ng o
i
l pump control
The meter
i
ng o
i
l pump dr
i
ver rece
i
ves dr
i
ve s
i
gnals from the PCM to sw
i
tch the
i
nternal ground
and supply battery voltage to meter
i
ng o
i
l pumps No
.
1 and No
.
2
.
O
i
l pressure control
The amount of o
i
l suppl
i
ed to the meter
i
ng o
i
l pump
i
s ad
j
usted based on the eng
i
ne operat
i
on
cond
i
t
i
ons to keep the o
i
l pressure
i
ns
i
de the meter
i
ng o
i
l pump constant
.
A/F sensor heater/ HO2S
heater control
Controls the A/F sensor heater and HO2S heater when cold
.
A/C cut-off control
Controls the A/C relay accord
i
ng to the dr
i
v
i
ng cond
i
t
i
on
.
Electr
i
cal fan control
Controls the cool
i
ng fan relays No
.
1 and No
.
2/No
.
3 and No
.
4/No
.
5 accord
i
ng to the eng
i
ne
cond
i
t
i
ons
.
Starter cut-off control
Theft deterrence has been
i
mproved by controll
i
ng energ
i
zat
i
on to the starter relay accord
i
ng to
an eng
i
ne stop request s
i
gnal from the
i
mmob
i
l
i
zer system
.
Generator control
Controls the energ
i
zat
i
on appl
i
ed to the generator f
i
eld co
i
l accord
i
ng to the eng
i
ne operat
i
on
and electr
i
cal load cond
i
t
i
ons
.
CAN
The PCM sends and rece
i
ves s
i
gnals to and from the CAN system related modules v
i
a CAN
.
2BE 2BA2AW2AS2AO2AK 2AG2AC 2Y 2U 2Q 2M
2E 2A
2I
2BH 2BD 2AZ 2AV 2AR2AN 2AJ 2AF2AB 2X 2T 2P
2H 2D
2L
2BG2BC 2AY 2AU2AQ2AM 2AI 2AE 2AA 2W 2S 2O
2G 2C
2K
2BF 2BB 2AX 2AT 2AP 2AL 2AH2AD 2Z 2V 2R 2N
2F 2B
2J
1BE 1BA1AW1AS 1AO1AK 1AG 1AC 1Y 1U 1Q 1M
1E 1A
1I
1BH1BD 1AZ 1AV 1AR 1AN 1AJ 1AF 1AB 1X 1T 1P
1H 1D
1L
1BG1BC 1AY 1AU 1AQ1AM 1AI 1AE 1AA 1W 1S 1O
1G 1C
1K
1BF 1BB 1AX 1AT 1AP 1AL 1AH1AD 1Z 1V 1R 1N
1F 1B
1J
PCM
HARNESS SIDE CONNECTOR
am6zzw00000123
Содержание 2009 RX-8
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