Mode 1 - PCM Adaptive Memory Produce Drive Mode
- Start engine and warm up completely.
- Verify 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.
- Perform no load test, racing engine at 2500-3500 RPM for more than 15 seconds.
- Continuously perform no load test, racing engine at 4500-5000 RPM for more than 15 seconds.
- Idle engine for more than 60 seconds after cooling fan has stopped.
- Turn ignition off then on again.
- Access RFCFLAG PID to confirm PCM adaptive memory status.