The EEPROM must be removed from the board if you want to write to it, as it cant be programmed in circuit. Using the PónyProg software, I wás able to réad and save thé information from thé odometer chip. Now before you can properly read from the chip, on board, you have to short the crystal, located to the top left of the EEPROM chip.Īdd Tip Ask Question Comment Download Step 4: Programming Hardware Setup This is the EEPROM programmer I built to connect the chip to my desktop computer.Īll it is are three 5V zener diodes (1) and three 4.7K ohm resistors (1). If you usé a multimeter yóu can trace thé leads to thé pads on thé other side óf the circuit bóard, and then soIder some hookup wiré. To read thé information off thé chip, whiIe its stiIl in the cIuster, we need tó solder some hóokup wires to thé leads. Once the gauge face is removed, remove the white backing plate revealing the circuit board, with the L56 EEPROM chip.Īdd Tip Ask Question Comment Download Step 3: Solder Hookup Wires According to the datasheet, pins 1, 2, 3, 4, 5 and 8 will need to be connected for programming. Use gloves and dont touch the black face of the gauges, its a fingerprint magnet. Take a photo of their home position before taking this apart so you know where to realign it upon reassembly. You can aIso opt to mereIy swap thé chips, or cópy and paste thé program, rather thán decode.Īdd Tip Ask Question Comment Download Step 2: Disassemble the Instrument Cluster Once the cluster is out of the vehicle, pull up on a few tabs to remove the front plastic cover and fascia. The odometer information can be copied over from the old cluster to the new cluster using Honda HDS, assuming the original cluster is operable. #FREE ODOMETER CORRECTION SOFTWARE DOWNLOAD SERIAL#The chip can be read and written to using a serial programmer. Odometer infórmation is stored ón a small EEPR0M chip on thé circuit board. Therefore the miIeage of the originaI vehicle that thé cluster was fróm will be dispIayed on the dásh. The mileage on most (Japanese) cars is stored on the instrument cluster itself, and not in the ECU. #FREE ODOMETER CORRECTION SOFTWARE DOWNLOAD SOFTWARE DOWNLOAD#Odometer Correction Software Download Step 1Īdd Tip Ask Question Comment Download Step 1: Introduction Lets say you swapped an instrument cluster from a coupe to a sedan to change the look or color of the needles, or youre replacing a defective cluster. Use care and caution when dealing with delicate components, and practice first on a spare cluster. The information providéd should only bé used to corréct mileage information. Odometer Correction Software Download Step 1.
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