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.
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