Mazda 3 Workshop Manual page 245

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
• Inspect for poor connection (such as
damaged/pulled-out pins, corrosion).
• Is there any malfunction?
INSPECT PCM POWER MONITOR
CIRCUIT FOR OPEN CIRCUIT
• Measure the voltage between PCM
5
terminal 1AX (wiring harness-side) and body
GND.
• Is the voltage B+?
VERIFY TROUBLESHOOTING OF DTC
P2507 COMPLETED
• Make sure to reconnect all disconnected
connectors.
6
• 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".
7
(See AFTER REPAIR PROCEDURE
• Are any DTCs present?
Downloaded from
[Z6].)
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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 [Z6].)
No DTC troubleshooting completed.
- automotive repair manuals website
[Z6].)