Mazda RX-8 Workshop Manual page 189

damaged/pulled-out pins, and corrosion).
Is there any malfunction?
INSPECT A/F SENSOR HEATER CONTROL CIRCUIT FOR
8
OPEN CIRCUIT
A/F sensor and PCM connectors are
disconnected.
Turn the ignition switch off.
Inspect for continuity between A/F sensor
terminal D (wiring harness-side) and PCM
terminal 2BG (wiring harness-side).
Is there continuity?
VERIFY TROUBLESHOOTING OF DTC P0031 COMPLETED
9
Make sure to reconnect all disconnected
connectors.
Clear the DTC from the PCM memory using the
M-MDS.
(See AFTER REPAIR PROCEDURE
Perform the KOEO or KOER self test.
(See KOEO/KOER SELF TEST
Is the PENDING CODE same as the DTC
present?
VERIFY AFTER REPAIR PROCEDURE
10
Perform the "AFTER REPAIR PROCEDURE".
(See AFTER REPAIR PROCEDURE
Are any DTCs present?
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[13B-MSP].)
[13B-MSP].)
[13B-MSP].)
© 2011 Mazda North American Operations, U.S.A.
YesGo to the next step.
No Repair or replace the wiring harness for a possible
open circuit, then go to the next step.
YesReplace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION
No Go to the next step.
YesGo to the applicable DTC inspection.
(See DTC TABLE [13B-MSP].)
No DTC troubleshooting completed.
[13B-MSP].)
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