Mazda 121 Workshop Manual page 184

F
TROUALESHOOTING GUIDE
JTEP
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ACNON
Warm-up engine lo normal op€ratng temFera_
lure and slop il
Connect draonosis conneclor terminals F/P and
GND Mh iumos wira tor 3 minule6 wilh ignition
switch ON; do€s if englne $ans easili/?
Change fuel to another brand
Go to next s|ep
5
Try known good ECU; do€s condilion imprcves?
Heptace ECU
E? l,d,ge F-112
N O
Change Juel lo anolher brand
F-24