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Home >> Mazda >> 2003 >> Protege L4-2.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Testing and Inspection >> Mode 1 (PCM Adaptive Memory Procedure Drive Mode)
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Mode 1 (PCM Adaptive Memory Procedure Drive Mode)

1. Start the engine and warm up completely.
2. Verify the following conditions and correct if necessary.
- All accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
- Initial ignition timing and idle speed are within specification.
- TEN and GND of DLC are not connected.




3. Perform no load racing at the engine speed shown in the graph, then idle the engine for more than 20 seconds after the cooling fan stopped. If possible, monitor RPM PID for engine speed and cooling fan status during this procedure.