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. SeeFig 1 orFig 2. 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 (2.3L)

Courtesy of MAZDA MOTORS CORP.

Fig 2: Mode 1: PCM Adaptive Memory Procedure (2.5L)

Courtesy of MAZDA MOTORS CORP.