APPRO Unlocking Original Car Remotes User Manual August 31,2017 Version 1.0 CHIP TYPE VCC GND MSCL MSDA PCF7941 4 19 10 11 PCF7961 4 19 8 9 PCF7945 10 13 25 26 PCF7952 8 11 21 22 PCF7953 10 13 25 26 Parameters Of Diy Fixture Diagram Alligator clip CL4258 Test probe TP4156 Table 1.1.1 Pin Definition Of NXP PCF79XX
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APPRO Unlocking Original Car Remotes User Manual
August 31,2017
Version 1.0
CHIP TYPE VCC GND MSCL MSDA
PCF7941 4 19 10 11
PCF7961 4 19 8 9
PCF7945 10 13 25 26
PCF7952 8 11 21 22
PCF7953 10 13 25 26
Parameters Of Diy Fixture Diagram
Alligator clip CL4258
Test probe TP4156
Table 1.1.1 Pin Definition Of NXP PCF79XX
1. Remotes Firmware Unlocking
Setp 1: Select Car Remotes (Unlocking the E Series BWM Remotes for example).
Figure 2.1.1 All Supported Car Remotes
Setp 2: Whether Remotes has been locked and which the frequency of [315/433/434/868]mHZ is it.
Figure 2.2.1 The Frequency Of Remotes
Setp 3: Confirm the serial number of Remotes’s firmware type by checking the key shell or board circuit.
Figure 2.3.1 the SN of Remotes firmware
Setp 4: Select the firmware type and click the "wiring diagram" to view the connections-diagrams.
Figure 2.4.1 Select the firmware type
Figure 2.4.3 Wiring Diagram of Remotes
Setp 5: Click the “Firware Renew” to unlock the Remotes.
Figure 2.5.1 Select “Firmware Renew” Option
Figure 2.5.1 Renew remote sucessfully
At this point, the original Car Remote is renewed succesfully.You can detect whether the remote is unlocked and test the
frequency of Remotes is normal.
2. List Of Supported Remotes Unlocking Bmw-E-Series_Renew