CALCULATION OF THE NEW VALUES OF THE LOCATIONS
0122 LOCATION
0123 LOCATION
0124 LOCATION
0125 LOCATION
0126 LOCATION
0127 LOCATION
*How to identify 0122, 0123, 0124, 0125, 0126 and 0127 locations values on the EEPROM
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SEPDISP13
Modification for Peugeot 407 and 607 instrument clusters display
Before installing the new SEPDISP13 display, please read the following instructions carefully. For illustration purposes, our technicians have made a video tutorial on how to repair the odometer.
DO NOT SKIP ANY STEPS.
Warning: this process is recommended only to expert and qualified staff
The following modification is necessary for the correct functioning of SEPDISP13 display.
• Replace the display in an ambient temperature of 25 °C
• After replacing the LCD, switch on the cluster (pin no. 16 positive, pin no. 18 negative) and measure the voltage between A and B points (Pic.1).
• If the voltage measured is between 6.3V and 6.4V, no modification is necessary;
• If the voltage detected is instead lower than 6.3V or higher than 6.4V, it is necessary to do the modification described in the following paragraph “EEPROM MODIFICATION”.
Eeprom modification
NOTE: For this modification, it is necessary to use an EEPROM programmer.
We recommend our SEP-EECLIP.
• De-solder the EEPROM 93C66 located on the PCB (Pic. 1);
•First, set the programmer reading in 8 bit hexadecimal (HEX).
ATTENTION: make a backup of the EEPROM, before the modification.
• To reach a voltage between 6.3V and 6.4V, identify the 0122, 0123, 0124, 0125, 0126 and 0127 locations and modify their values: increasing or decreasing the 6 values by 1 HEX unit, the variation will be +/- 0.10 V.
If not familiar with hexadecimal calculation, it is possible to use the calculation tool in the box beside, simply typing in the values.
NOTE: For the version that can be used offline, download the PDF.
Verification
Once these operations have been done, solder back the 93C66 EEPROM on the PCB, switch on the instrument cluster and check again the tension between points A and B.
Verify, then if a voltage between 6.3V and 6.4V has actually been reached. If not, decrease or increase the values of the locations until the voltage is between that range.