63E4 4x1 8bit checksum1 63EC 4x1 8bit checksum2 64F5, 65F5, 66F5 16x16 8bit Ign Timing 7F7E 16x1 8bit load axis 7F8E 16x1 8bit rpm axis 6805 8x8 8bit Unknown map 8784 8x1 8bit x axis 84B8 8x1 8bit y axis 6855 4x4 8bit Unknown map 7CD6 4x1 8bit x axis 7CDA 4x1 8bit y axis 6865 4x4 8bit Unknown map 7CD6 4x1 8bit x axis 7CDA 4x1 8bit y axis 6875 8x8 8bit Unknown map 7CCE 8x1 8bit x axis 7CC6 8x1 8bit y axis 68B5 8x8 8bit Unknown map 7CCE 8x1 8bit x axis 7CC6 8x1 8bit y axis 68F5 8x8 8bit Unknown map 6935 8x8 8bit Unknown map 8938 8x1 8bit x axis 8930 8x1 8bit y axis 6975 16x16 8bit Cold Ign Timing 7EA3 16x1 8bit load axis 7E3F 16x1 8bit rpm axis 6A85 8x8 8bit Unknown map 6B45 8x8 8bit Looks like an old AFR map? 7E27 8x1 8bit load axis 7CDE 8x1 8bit rpm axis 6BB5 8x8 8bit Unknown map 8718 8x1 8bit x axis 8710 8x1 8bit y axis 6BF5 8x8 8bit Unknown map 8718 8x1 8bit x axis 8710 8x1 8bit y axis 6C35 8x8 8bit Unknown map 8784 8x1 8bit x axis 84B8 8x1 8bit y axis 6C75 8x8 8bit Cam advance secondary or limp? 88FC 8x1 8bit load axis 88E8 8x1 8bit rpm axis 6CB5 8x8 8bit Cam advance Main 890C 8x1 8bit load axis 88E0 8x1 8bit rpm axis 6CF5 4x4 8bit Unknown map 7E9F 4x1 8bit x axis 7E9B 4x1 8bit y axis 6D25 16x16 Target AFR Main 7D46 16x1 8bit load axis 7D22 16x1 8bit rpm axis 6E25 16x16 Target AFR Cold or maybe Limp? 7D46 16x1 8bit load axis 7D22 16x1 8bit rpm axis 6F25 16x16 8bit Fuel Compensation 7D46 16x1 8bit load axis 7D22 16x1 8bit rpm axis 7090 16x16 16bit Unknown map 8B66 16x1 16bit load axis 8B86 16x1 16bit rpm axis 7290 16x16 16bit Unknown Duplicate of 7090 8B66 16x1 16bit load axis 8B86 16x1 16bit rpm axis 7490 16x16 16bit Throttle C 8C0A 16x1 16bit load axis 7E5F 8bit rpm axis 7690 16x16 16bit Throttle maybe Limp? 8C0A 16x1 16bit load axis 7E5F 16x1 8bit rpm axis 7890 8x8 16bit Throttle related unknown? 8E7A 8x1 16bit axis 8E8A 8x1 16bit axis 7910 16x16 16bit Throttle A 8C0A 16x1 16bit load axis 7E5F 8bit rpm axis 7C81 5x1 8bit ECU ID 8416 16x4 8 bit Possible Throttle tip in enrichenment map? 8484 16x1 8bit Possible Startup Enrichenment vs Temp scale? 84A8 16x1 8bit Looks like an Idle vs Temp target 600rpm *temp scale -40 to +110C. axis yet to be found 84C0 16x1 8bit Looks like an Idle vs Temp target 700rpm *temp scale -40 to +110C. axis yet to be found 8880 16x1 8bit Possible Startup Enrichenment vs Temp scale? 8C2A 64x1 16bit MAF Scaling 9740 16x16 16bit Unknown Duplicate of 7090 9DD4 16x1 16bit load axis 9DF4 16x1 16bit rpm axis 9940 16x16 16bit Unknown Duplicate of 7090 9DD4 16x1 16bit load axis 9DF4 16x1 16bit rpm axis 9B40 16x16 16bit Throttle C Duplicate 9E14 16x1 16bit load axis 9D84 16x1 16bit rpm axis RAM Addresses: 8688 related to ign tables. Looks like load. 8688 (MSB), 8689 (LSB) related to 7090 map. throttle position 10bit ADC output 86B2 related to throttle maps. min 0, max 4 on throttle tip in. 86F2 related to ignition tablles. 0 on coast or decel, up to FF on accel. AB8A AFR related. switch to 6D25 if <0x80 and to 6E25 if >=0x80. 6F25 always read first.