Toyota Honda S6J Cluster Mileage Correction with CG100

Some new Toyota, Honda and Chinese cars have new instrument clusters S6J chips instead of traditional 93Cxx IC chip.

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Some S6J instruments are also equipped with an eight-foot RH66 plugged in, but RH66 does not store mileage data. If you disassemble and read the RH66 chip data, it is not working.

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Here is an example of a Toyota Corolla 2019 1.2T S6J3001 odometer correction with CG100 Prog III mileage programmer. The procedure is similar to other Toyota/Lexus/Honda with S6J clusters.

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1. Write down or take a picture of the original mileage, 50364km

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2. Remove the instrument module

It is still very troublesome to take out the instrument of this instrument, and need to loose the air outlet of the air conditioner and the central control as well.

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3. Disassemble instrument cluster

Remove a few screws and buckles, pull out the needle, be careful

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Locate correct chip. It is the S6J chip stores the mileage data

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4. Software operation

Run CG100 software, select the Instrument function.

Select Asain->Toyota->Corolla->2020-S6J3001

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Check wiring diagram

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5. Follow wiring diagram to connect cluster with CG100 carefully

To read the data, six wires need to be soldered, numbered 1, 3, 4, 6, 7 and 12.

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6. Correct mileage

After confirming the connection is correct, click “Read”, and operate according to the software prompts, read data, save data, input mileage and modify data.

6-1. Read data
Confirm that the wiring is correct, click Read, the software will automatically read the data, please do not disconnect!

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6-2. Save data
After the data is successfully read, must save and backup original eeprom data
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6-3 Input mileage you desired
The software automatically analyzes the mileage information of the data. If the mileage is invalid, please cancel the current operation and contact the CGDI customer service as soon as possible; if there is no error, then we can proceed to the next step and enter the new mileage value. Click OK.
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6-4
After entering the new mileage, click “OK”, wait for a while, the software will start to modify, do not disconnect any connections.
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6-5
Correct mileage successfully 
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7. 
Reinstall instrument cluster back to vehicle. Check current mileage. It is fine. 
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Call it a day!

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