How to Install Yanhua R7F701402-B Interface Board?

This is a tutorial on how to screw-fasten install Yanhua R7F701402-B Interface Board. It's specially designed for Brazil VW Polo and more, need to work with Yanhua Mini ACDP 2 + Module 34 together.

How to install the Yabhua R7F701402-B Interface Board?

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

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

3. Align the interface board with the screw fastener holes and D1 positioning points.

4. Press the interface board down with your left hand, tighten the locking screw with your right hand.

The installation is done.

5. Confirm again that the interface board D1 positioning pins are completely aligned with the D1 positioning holes of the instrument.

Yanhua R7F701402-B Interface Board has the advantage of compact size, precise pin positioning, and easy installation. The pin connection is firm and stable, and not easy to loosen. It's much safer for reading and writing data.

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Yanhua Mini ACDP Module 34 VW MQB49 1404 5C Mileage Correction

This is a tutorial on how to use Yanhua Mini ACDP 2 + Module 34 to do VW MQB system 1404 5C chip model instrument mileage correction.

Step1. Identify Odometer

1) Turn on the power switch and light up the instrument panel to record the original mileage: 16000km.

2) Connect the Mini ACDP programmer to OBD.

3) Open Mini ACDP APP:

* Make sure the ACDP device has been bound.

VW >> VW MQB IMMO >> MQB49(R7F7014xx 5C) >> ICP+OBD ODO(R7F701404, R7F701406) >> R7F701404 Interface Board R7F701404/05 >> OBD Identify Odometer

Please use the ACDP standard power adapter(voltage+ 12V, current > = 2.5A)

Please connect the vehicle OBD or instrument platform, and light up the meter.

Verify the instrument information.

The identification of meter data is complete!

Step2. ICP Modify Odometer

Turn off the switch. Remove the instrument panel.

Click the help of Step 2, connect the instrument to ACDP according to the diagram.

Make sure the ACDP programmer is connected to the APP.

ICP Modify Odometer >> OK

Please connect the ACDP and the meter.

Verify chip information.

Reading DFLASH...

Reading PFLASH...

Reading BOOT...

Please save the original data of the meter.

Data will be written, please make sure that the ACDP and meter are connected.

The chip is being erased, please wait...

The mileage modification is complete!

Step3. OBD Modify Odometer

Install the car dashboard back into the car.

Connect the ACDP programmer to the car OBD or dashboard test platform.

Make sure the ACDP programmer is connected to the APP.

OBD Modify Odometer >> OK >> OK

Verify instrument information.

Click on the mileage to modify the target mileage: 12000km

Please confirm if the mileage information is consistent, click OK.

Modification of meter data by OBD is complete!

Remove the car instrument.

Connect the instrument to ACDP properly.

Make sure the ACDP programmer is connected to the APP.

ICP Write Odometer >> OK >> OK

Verify chip information.

Please select the original data that is backed up in step 2.

Please save the revised mileage data.

Data will be written, please make sure that the ACDP and meter are connected.

Writing DFLASH, please wait...

The mileage modification is complete!

Install the instrument panel into the car, and turn it on the instrument panel.

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Yanhua Benz/BMW Universal filter - Diagram for BMW

This post provides diagrams for connecting the Yanhua Benz/BMW Universal Filter to the BMW instrument.

Below is an illustration for wiring:

Black --------- GND Red --------- +12V White --------- +5V

Purple -------- L1（CAN_L1） Green --------- H1（CAN_H1）

Yellow --------- L2（CAN_L2） Blue --------- H2（CAN_H1）

NOTICE! Please connect the 2 BMW dots (short circuit) BEFORE connecting to the car!

1. The diagram for the BMW 1 series F20 instrument:

2. The diagram for the BMW 3 series F30 instrument:

3. The diagram for the BMW 3 GT series F30 instrument:

4. The diagram for the BMW X5 F15 instrument:

5. The diagram for the American Standard BMW X5 F15 instrument:

6. The diagram for the BMW FEM:

7. The diagram for the BMW CAS4(1L15Y/5M48H/1N35H)

8. The diagram for the BMW X3 F25 instrument:

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ACDP Module 34 Lock fastening (D70F3426-B) interface board Installation tutorial

This post will show you how to install the Yanhua Mini ACDP Module 34 Lock fastening (D70F3426-B) interface board.

Check the video on YouTube:

Here are steps:

1. Push the lock fastening of the interface board to the unlock position.

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

2. Find the correct positioning holes of D1-D4 on the instrument.

3. Precisely align the lock buckle of the interface board PCB with the installation area and with the positioning points D1 and D2.

4. With the finger-down pressure interface board, push the PCB lock buckle to the locked position to lock the interface board, and the installation is done.

5. Confirm again that the interface board D1-D4 positioning pins are completely aligned with the D1-D4 positioning holes of the instrument.

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Yanhua Mini ACDP Module 34 VW MQB 1402 5A Mileage Correction

This is a tutorial on mileage correction for the VW MQB system 1402 5A chip model instrument with Yanhua Mini ACDP 2 + Module 34. 

Check the video to view the detailed operation:

Turn on the power switch on the car and light up the instrument panel.

Record the original mileage, then remove the instrument panel.

Connect & open the Mini ACDP APP.

Make sure the upper right corner that the ACDP device has been bound.

VW >> VW MQB IMMO >> MQB48(R7F7014xx 5A) >> Help

Ensure the instrument is of the 5A type.

ICP ODO >> R7F701402 Interface Board R7F701402 >> Help

Connect the instrument to ACDP according to the help document.

Auto mode >> OK

Please use the ACDP standard power adapter(voltage+ 12V, current>= 2.5A)

Note:

Repairing the mileage requires a full-chip erase risky operation, please ensure the chip data has been backed up correctly.

OK >> Continue 

Verify chip information, click Continue.

Click OK to save all the chip's backup data.

Verify instrument information, click Continue.

Enter the value to modify the mileage: 800km

Click OK to save the revised mileage data.

Data will be written, please make sure that the ACDP and meter are connected.

The mileage calibration is completed!

Install the instrument panel back to the car, then turn it on.

Check if the mileage displayed on the instrument panel is normal.

Done.

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