Mazda 121 Workshop Manual page 198

F
TROUBLESHOOTING GUIDE
E GDTE STALLS SUDDE LY (INTERT|TTENT}
't6
0EscnlP.
Ttoil
.Engrne intermitenUy slops running
.Belore stallinq, ensrne condition OK
TTROUBLESHOOTI
G HINTSI
O it'frtrnitt""tv "" "p"tl "t no luel Iniection caused by vehicle vibration, accelefaijon, or cleceloralion
.Poor conn€cton in wiing harness
3TE
tlrsPEcTtoN
ACTION
ls "m" displayed on Self-Diagnoss ch€cker
wilh ionition switch ON?
-
r? page F-.67
TEST SW; SEIF TEST
NO
Maltunction Cod€ No. d|3played
Check lor caus€ (Refef to sp€cified
check sequence)
F Pagd F-70
Note
.When checklng wiaing hamcss and conneclol3,
tao. mov6, and wiggle guaFcl 3enaor and/or h.r'
ndsg to r€cGale Problem
"88" ll6ah€3
Check ECU terminal 1F voltage
x7 p.ge F_114
Voltag€: App.ox. 12V
0gnition swilch ON)
4 lf OK, replace ECU
c7 P3€e F-112
+ li not OK, ch€ck wiring between
tCU and SellDrag.osE Checklt
2
ls lhere poor connection at eilhel of lollowing?
. lgnition coil
. Distribdor
. High-tension lead
. Ckcuit openins relay
. ECU
3
Are ECU temina, voltages OK?
{Especially
18, 1G, 11,2A,24,2C,2E and 2\i)
.7 pege F-112
Note
.when checklng volteg€, lap, move, and
wlggle halne3s and conneclor to recneate
Go to Troubleshootjng
No.2
"CBANKS NOBMALLY BUT WILL
NOT START (NO COIVBUSTION) ? p.ge F-17
N o
Check lor cause
c7 Pag€ F-115
F-117
F - l 1 9
F-42