Mazda 323 Workshop Manual Supplement page 158

I
F2
fNSPECTlON
ACTION
I Check if cootrng system IS OK'
YES
Go to next step
No Repair or reptace
l
Thermostat
l
l
Electric
cooling
fan *
l
Radiator*
5 Try known good ECU and check if condltlon Yes Replace ECU *
rnproves
NO Change fuel to another brand or use
higher octane fuel
l
Refer to 323 Workshop Manual [1203-l O-89F (Europe) or It 204-I O-89F (Australia)].
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F2-4 I