Yanhua ACDP Connection Diagram for Toyota R7F714xx Buick D70F3558 Mileage Correction

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Yanhua Mini ACDP2/ACDP with Module 35 supports mileage correction for Toyota R7F714xx ODO/Buick BCM (NEC3558) without soldering. The corresponding wiring diagram can be found in the ACDP APP/ software. All are also displayed in this post, check the details below.

For TOYOTA R7F701441

1.First, complete the installation of the 1A interface plate, then proceed to install the 1B interface plate.

2.Find the interface board installation area on the instrument according to the visual positioning mark on the interface board.

3.Locate the D1, D2 and D4 positioning holes correctly on the instrument panel.

4.Accurately place the interface board into the installation area, align the D2 and D4 positioning points and screw hole.

5.Check the R7F701441- TOYOTA-1A Test Point Pin Definition (VRCG0, VRCG1, GND2, VCC, FLMD, RXD and RES).

6.Clamp the interface board and the odometer by hand, and tighten the copper column.

7.Locate the D1, D2 and D4 positioning holes correctly on the instrument panel.

8.Locate the D1, D2 positioning holes correctly on the instrument panel.

Check the R7F701441- TOYOTA-1B Test Point Pin Definition (TXD)

10.Align the screw fastening hole, TXD1 connection pin, and D1 positioning points, then press down on the interface board and tighten the copper pillars.

For Buick BCM (NEC3558)/D70F3558

1.Based on the probe of the interface board, determine the installation area of the interface board on the instrument

2.Find the correct positioning holes of D1, D2 on the instrument

3.Check the Test Point Pin Definition (RTXD, RES, GND, T, FLMD, VCC)

4.Align the interface board probe with the probe hole on the odometer board and with the D1 and D2 positioning points

5.Clamp the Yanhua ACDP Module 35 interface board and the odometer board by hand, with the TOP of the buckle facing upwards, and insert the buckle into the Lock mark on the interface board to lock the interface board.