Mazda RX-8 Manual page 705

Turn the ignition switch off.
•
Disconnect the PCM connector.
•
Inspect for poor connection (such as
•
damaged/pulled-out pins, corrosion).
Is there any malfunction?
•
INSPECT TP SENSOR NO.2 GND CIRCUIT
FOR OPEN CIRCUIT
Turn the ignition switch off.
•
7
Inspect for continuity between throttle body
•
terminal C (wiring harness-side) and PCM
terminal 2F (wiring harness-side).
Is there continuity?
•
VERIFY TROUBLESHOOTING OF DTC P0223
COMPLETED
Make sure to reconnect all disconnected
•
connectors.
8
Clear the DTC from the PCM memory
•
using the WDS or equivalent.
Start the engine.
•
Is the same DTC present?
•
VERIFY AFTER REPAIR PROCEDURE
Perform the "AFTER REPAIR
•
PROCEDURE".
9
(See AFTER REPAIR PROCEDURE .)
Are any DTCs present?
•
No Go to the next step.
Yes Go to the next step.
Repair or replace the wiring harness for a
No
possible open circuit, then go to the next step.
Replace the PCM, then go to the next step.
Yes
(See PCM REMOVAL/INSTALLATION .)
No Go to the next step.
Go to the applicable DTC inspection.
Yes
(See DTC TABLE .)
No DTC troubleshooting completed.
(w) Engine Diagnostics & Control
Page 142