Mazda 121 Workshop Manual page 235

SELF-DIAGNOSIS FUNCTION
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After-repair Procedure
'1. Cancel the memory of mallunctions from the ECu by dis-
connecting the negative battery cable and depressing the
brake oedal for al least three seconds. Reconnect the
negative battery cable.
2. Connectthe SST (System Seleclor) tothe diagnosiscon-
nector.
3. Set switch @ to position 1.
4. Set TEST SW to SELF-TEST.
5. Connect the SST (Selt-Dlagnosis Checker) to the Sys-
tem Selector and a ground.
6. Setthe select switch of the Self-Diagnosis
Checker to posi-
tion A.
7. Turn the ignition switch ON.
8. Start and warm up the engine, then run it at 2,000 tpm tor
three minules.
9. Verity that no code numbers are displayed.
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