Yanhua Tech has officially released a new R7F701401-TOYOTA-B Interface Board for TOYOTA R7F701401 encrypted chip instrument mileage correction on bench. It works with Yanhua Mini ACDP/ACDP2 with Module 35. No soldering, No need to pry up the chip pins, No capacitor removal.
How to tell if an instrument module is encrypted?
1.Check the red clips and grooves
If they are parallel, they are encrypted, and need to use Yanhua R7F701401-TOYOTA-B Interface Board.
Otherwise, non-parallelism is unencrypted, and need to use YANHUA Toyota R7F701401 Unencrypted Interface Board.
2.The following Toyota R7F701401 dashboard is also encrypted, need to use Yanhua ACDP Module 35 R7F701401-TOYOTA Interface Board.
Connection method:
Preparation:
- Mini ACDP-2
- MQB V2 Adapter, 20 PIN Cable and Screw(in the Yanhua Module 35 package)
- Yanhua ACDPR7F701401-TOYOTA-B Interface Board
- TOYOTA R7F701401 encrypted chip instrument
Installation Steps for the R7F701401-TOYOTA-B Interface Board:
1.Unlock the Latch
Push the latch of the interface board to the “Unlock” position.
Identify the installation area on the odometer by aligning it with the thumb screws of the interface board.
2.Locate Positioning Holes
Find the precise positioning holes (D1–D4) on the odometer.
3.Test Point Pin Definition
4.Align and Position
Align the thumb screws of the interface board with the corresponding screw holes on the odometer.
Ensure the positioning pins (D1 and D2) are properly seated in their designated holes.
5.Secure the Board
Press down the interface board firmly.
Tighten the screws to fix it in place.
Push the PCB lock latch toward the “Lock” position to fully secure the interface board.
R7F701401-TOYOTA-B Interface Board Overall Connection Diagram
Mini ACDP APP Menu Path:
Module-> TOYOTA ODO-> R7F701401 (Encrypted)-> R7F701401-TOYOTA-B interface board
1.Identify Info
2.Pre-process chip
Step 1: Backup data
Step 2: Decrypt chip
3.Reset mileage (auto mode)
Learn more:
Yanhua ACDP2 with Module 35 Correct Milegae for Toyota R7F714xx ODO/Buick BCM (NEC3558)
Toyota R7F714xx ODO/Buick BCM (NEC3558) Mileage Correction by Yanhua ACDP2
Yanhua R7F701401-Toyota-B Interface Board Used with ACDP Module 35:
https://www.eobdtool.co.uk/wholesale/yanhua-r7f701401-toyota-b-interface-board.html