Mazda 121 - Page 180

F
TROUBLESHOOTING
GUIDE
INSPECTION
ACTION
6
ls ar bypass
solenord
valve
@OX?
r'
p.g€ F-104
SOLENOID
INJECTION BODY
VALVE@\\\
r)
k!
o
No
Replace
solenoid
valve
7 Are
ECU terminal
voltages OK?
(Esoec,aly
1C, th and
20)
c?
Page
F-lOg
Go lo
nexl slep
Cn""f
io, "uuse
r'
Page
F-115
F-117
F-l19
8
Connect cliagnoss
conneclor
tetminals F/P
and
GND with
iumper
wirei does engrne
stan
Eneck
circult
opening
relay
c7
Page
F-93
a
ff rclay OK,
repair
or teplace
wi€
+
li r€lay
noi OK,
repiace relay
9 Connect
System
S€lector
to diagnosis connector
and
set T€st
Switch to
SELF TEST
'i
is lhere
corecl
|gnrtion lmng
€t dle
aiter warm_up?
e
Page
F-63
lgnilion
timing:
aTDC 16
+
1c
,-JE"
Adjust
lgntion
iiminq
!?
Page
F-63
10 ls engine
compression
correci?
c7
page
B-lo
Englne
compres€lon
(ilinimum):
1.030
kPa
(10.5
ksr'cn',
r49
Fel)-300
rPm
Check
englne
condition
c?
Page
B-1o
.Worn
pislon, pLston
nngs or
cy lnoer
.
Delecuve
cylinder
head
gaskei
.
Dlsroded
cylinder
head
.
lmpropet
valve seating
.valve
st
ckins
in
guide
11 Try
known
good
ECUI does
condilion
improve?
F-24