Mazda RX-8 Workshop Manual page 265

Is the A/F sensor installed
securely?
INSPECT A/F SENSOR HEATER
6
Inspect the A/F sensor heater.
(See AIR FUEL RATIO (A/F)
SENSOR INSPECTION
Is there any malfunction?
INSPECT PCM CONNECTOR FOR POOR
7 CONNECTION
Turn the ignition switch off.
Disconnect the PCM connector.
Inspect for poor connection (such
as damaged/pulled-out pins, and
corrosion).
Is there any malfunction?
INSPECT A/F SENSOR
8
Inspect the A/F sensor.
(See AIR FUEL RATIO (A/F)
SENSOR INSPECTION
Is there any malfunction?
VERIFY TROUBLESHOOTING OF DTC P0134
9
COMPLETED
Make sure to reconnect all
disconnected connectors.
Clear the DTC from the PCM
memory using the M-MDS.
(See AFTER REPAIR PROCEDURE
[13B-MSP].)
Perform the KOER self test.
(See KOEO/KOER SELF TEST [13B-
MSP].)
Is the PENDING CODE for this DTC
present?
VERIFY AFTER REPAIR PROCEDURE
10
YesReplace the A/F sensor, then go to Step 9.
[13B-MSP].)
No Go to the next step.
YesRepair or replace the connector and/or
No Go to the next step.
YesReplace the A/F sensor, then go to the next
[13B-MSP].)
No Go to the next step.
YesReplace the PCM, then go to the next step.
No Go to the next step.
YesGo to the applicable DTC inspection.
(See AIR FUEL RATIO (A/F) SENSOR
REMOVAL/INSTALLATION
(See AIR FUEL RATIO (A/F) SENSOR
REMOVAL/INSTALLATION
terminals, then go to Step 9.
step.
(See AIR FUEL RATIO (A/F) SENSOR
REMOVAL/INSTALLATION
(See PCM REMOVAL/INSTALLATION [13B-
MSP].)
[13B-MSP].)
[13B-MSP].)
[13B-MSP].)