Yanhua Tech newly released the R7F701401-TOYOTA-B Interface Board to work with Yanhua Mini ACDP/ACDP2 and Module 35, a specialized solution for mileage correction on Toyota instrument clusters with R7F701401 encrypted chips on Bench.
Key Features
- Plug-and-Play Design – No soldering, no chip pin lifting, and no capacitor removal required
- Secure & Non-Invasive – Protects PCB integrity while ensuring reliable performance
How to identify if the instrument module is encrypted?
Method 1: Check the Red Clips & Grooves
- Encrypted Module (Use Yanhua R7F701401-TOYOTA-B Board):
➔ Red clips and grooves are parallel
- Non-Encrypted Module (Use Yanhua Toyota R7F701401 Unencrypted Interface Board):
➔ Red clips and grooves are not parallel
Method 2: Specific Dashboard Models
The Toyota R7F701401 dashboard type below is confirmed encrypted and requires the Yanhua ACDP Module 35 R7F701401-TOYOTA Interface Board.
Connection & Setup Guide:
Required Tools:
- Mini ACDP-2
- MQB V2 Adapter, 20-PIN Cable & Screw (Included in Module 35 package)
- Yanhua ACDP R7F701401-TOYOTA-B Interface Board
- Toyota R7F701401 Encrypted Instrument Cluster
Installation Steps:
1.Unlock the Latch
Push the latch to “Unlock” and align the board using thumb screws
2.Locate Positioning Holes
Identify D1–D4 holes on the odometer
3.Test Point Pin Definition
4.Align & Secure
Match thumb screws to odometer holes and seat D1/D2 pins
5.Lock the Board
Press down firmly, tighten screws, and slide the latch to “Lock”
Full Connection Diagram
Software Operation (Mini ACDP APP):
Navigation Path:
Module → TOYOTA ODO → R7F701401 (Encrypted) → R7F701401-TOYOTA-B Board
Process:
1.Identify Info – Confirm cluster details
2.Pre-Process Chip
Step 1: Backup original data
Step 2: Decrypt chip
3.Reset Mileage (auto mode)
Notes
- Always back up data before modification.
- Ensure proper alignment to avoid damage.
Yanhua ACDP Module 35:
https://www.uobdii.com/wholesale/yanhua-acdp2-module35-for-toyota-buick-mileage-correction.html
YANHUA ACDP R7F701401-TOYOTA-B Interface Board:
https://www.uobdii.com/wholesale/yanhua-acdp-r7f701401-toyota-b-interface-board.html
YANHUA Toyota R7F701401 Unencrypted Interface Board:
https://www.uobdii.com/wholesale/yanhua-toyota-r7f701401-unencrypted-interface-board.html
Read also:
Yanhua ACDP2 Correct Mileage for Toyota R7F714xx ODO/Buick BCM (NEC3558)
Yanhua ACDP2 Correct Mileage for Toyota R7F714xx ODO/Buick BCM (NEC3558)
