Computers and Control Systems: Service Precautions

3UR-FE ENGINE CONTROL: SFI SYSTEM: PRECAUTION

3UR-FE ENGINE CONTROL: SFI SYSTEM: PRECAUTION
CAUTION:
When using the Techstream, observe the following items for safety reasons:
- Read its instruction books before using the Techstream.
- Prevent the Techstream cable from being caught on the pedals, shift lever and steering wheel when driving with the Techstream connected to the vehicle.
- When driving the vehicle for testing purposes using the Techstream, 2 persons are required. One person drives the vehicle, and the other operates the Techstream.
NOTICE:
- w/ Navigation system: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more disconnecting the cable from the negative (-) battery terminal.
- When disconnecting the cable, some systems need to be initialized after the cable from the cable is reconnected Repair Instruction - Initialization.
- Perform Reset Memory (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM Programming and Relearning.
- Perform Registration (VIN registration) when replacing the ECM Programming and Relearning.
HINT:
Reset Memory cannot be completed by only removing the battery.