How to Read and Write Toyota Denso GEN3 ECM with OBDSTAR DC706

 TOYOTA DENSO GEN3 [R7F701201+R7F701202] ECM can be read and wrote using OBDSTAR DC706 ECU Tool by Bench perfectly.

Requirement:

• Make sure the ECM software is V31.35 or above
• Ensure the internet connection is normal during operation.
• Prepare OBDSTAR DC706 main unit, main cable, OBDSTAR P004 Adapter, ECU clone jumper, 12V power supply, and Toyota Denso GEN3 ECU

Select ECU Flasher>> ECM

Input gen3 to quickly obtain the ECM model (TOYOTA DENSO GEN3 R7F701201+R7F701202)

Select "Guide" to check the operation guide and wiring diagram

There are two MCUs in this ECU. One of the MCU types is R7F701202 (store ECM data), the other MCU type is R7F701201 (store TCM data). If cloning is required, both ECM and TCM data need to be cloned. This function can read and restore flash data of the TCM and ECM through Bench.

The wiring diagrams are the same.

ECU TOOLC-Pin 2, 9, 2612V (16)C-Pin 10GND (4+5)C-Pin 11CAN L (14)C-Pin 8CAN H (6)

Follow the diagram to connect DC706 ECU Tool and Toyota ECM via P004 Adapter, ECU Clone Jumper and main cable correctly, and connect 12V power supply to main cable

• Read and write TOYOTA DENSO GEN3 R7F701201

Select TCM (R7F701201)

Then perform the corresponding operation

Connect>> Read INT Flash (R7F701201)>> Write INT Flash (R7F701201)>> Disconnect

All are OK.

• Read and write TOYOTA DENSO GEN3 R7F701202

After connection, select BENCH method and P004 adapter

And select ECM (R7F701202)

Then perform the corresponding operation

Connect>> Read INT Flash (R7F701202)>> Write INT Flash (R7F701202)>> Disconnect

All are also OK.

OBDSTAR DC706 clone TOYOTA DENSO GEN3 [R7F701201+R7F701202] ECM successfully.

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Comparing OBDSTAR X300 Classic G3 and OBDSTAR DC706 functionality

 Some users don’t quite understand the difference between OBDSTAR X300 Classic G3 (KeyMaster G3) and OBDSTAR DC706. To put it simply, G3 is a comprehensive diagnostic tool, while DC706 focuses on ECU.

This time we will not use the table for comparison, because the hardware specification comparison is not suitable for It doesn’t mean much for two tools with different specializations. I will only introduce the functional differences between the two.

Differences in ECU Programming:

• DC706: Specialized for ECU cloning tasks with wider coverage, particularly in BCM and ECU functionalities.
• X300 Classic G3: Can achieve similar functionalities as DC706 by purchasing additional licenses but is more of a general diagnostic tool.

Differences in IMMO Functions:

• DC706: Does not support IMMO (Immobilizer) functions.
• X300 Classic G3: Supports IMMO functions.

Differences in ODO METER Functions:

• DC706: Does not support ODO METER (Mileage correction) functions.
• X300 Classic G3: Supports ODO METER function(Car/ Moto), but requires paid activation.

Differences in Crash Reset(Battery/ Airbag/ SAS) Functions:

• DC706: Does not support reset functions.
• X300 Classic G3: Supports reset functions, but requires paid activation.

Summary of Key Points for Choosing:

• DC706: Best for users focused on ECU/BCM/TCU cloning without requiring broader diagnostic capabilities. And if you need P001 multifunctional programmer, need to be purchased separately.
• X300 Classic G3: Ideal for users seeking an expandable, all-in-one diagnostic and programming tool with additional features like IMMO. And G3 comes with MP001 (replace P003/P003+ adapter) and P004 adapters in default.

It should be noted that, just like the G3, which requires a software license to use related functions, the DC706 also has different software configurations, as shown in the following table:

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