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Home >> Mazda >> 2002 >> Millenia S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.3L >> Self-Diagnostic System >> Drive Modes >> Mode 1: PCM Adaptive Memory Procedure
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Mode 1: PCM Adaptive Memory Procedure

  1. Start the engine and warm completely.
  2. Verify the following conditions and correct if necessary:
    • All accessory loads (A/C, headlights, blower fan and rear window defroster) are off.
    • Initial ignition timing and idle speed are within specification.
    • "TEN" and "GND" of DLC-2 are not connected.
  3. Perform no load racing at specified engine speed. See Fig 1 . Idle engine for more than 20 seconds after cooling fan stops. If possible, monitor RPM PID for engine speed and cooling fan status during this procedure.
Fig 1: Mode 1: PCM Adaptive Memory Procedure
G00157419Courtesy of MAZDA MOTORS CORP.
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