Mazda 121 - Page 188

F
TROUBLESHOOTING
GUIDE
ls water
ihermosensor
res slance correc?
Beplace
water lhemosensor
r-
page
F-121
Connecl
Syslem
Seleclor
lo dlagnosis conneclor
and
set Test Swtch
lo
'SELF
TEST when en_
gine
ls cod
Does
enqine speed
decr€ase
as engrne warms
Reolace
inieclion
bodv
F
Page
F-84
Connect
System
Se ector to diagnos
s connector
and
sel Tesi Swllch
to
"SELF
TEST
ls
rqnlron trm
ng corect al
tdb aner warm
upt
ci
page
F-62
lgnilion
tlming:
BTDG 16
*
1"
GND
TEST SW
INDICATOFI
Adjust
€ntion
limlng
G
Page
F-62
G oaae F-112
Try known
good
ECU;
does conditon
improves?
Change
tue
to anoiher bland
F-32