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DTC P0031, P0032 HO2S1 HEATER
EC-139
[QR (WITH EURO-OBD)]
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EC
3. Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
4. Start engine and run it for at least 6 seconds at idle speed.
5. If 1st trip DTC is detected, go to EC-141, "
Diagnostic Procedure"
.
WITH GST
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and run it for at least 6 seconds at idle speed.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Start engine and run it for at least 6 seconds at idle speed.
6. Select MODE 3 with GST.
7. If DTC is detected, go to EC-141, "
Diagnostic Procedure" .
● When using GST, DTC Confirmation Procedure should be performed twice as much as when using
CONSULT-II because GST cannot display MODE 7 (1st trip DTC) concerning this diagnosis. There-
fore, using CONSULT-II is recommended.
SEF174Y
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