Mazda 3 - Page 63

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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63
• Is the voltage B+?
7
VERIFY TROUBLESHOOTING OF DTC
P0038 COMPLETED
• Make sure to reconnect all disconnected
connectors.
• Clear the DTC from the PCM memory
using the WDS or equivalent.
• Perform the "HO2S heater, HO2S, and
TWC Repair Verification Drive Mode".
(See OBD DRIVE MODE [Z6].)
• Is the PENDING CODE for this DTC
present?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [Z6].)
No
Go to the next step.
8
VERIFY AFTER REPAIR PROCEDURE
• Perform the "AFTER REPAIR
PROCEDURE".
(See AFTER REPAIR PROCEDURE [Z6].)
• Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [Z6].)
No
DTC troubleshooting completed.