Computers and Control Systems: Service Precautions
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 initialization (throttle position) after replacing the throttle body assembly or cleaning any throttle body components Installation.
* Perform initialization (throttle position) after reconnecting the battery cable or replacing the ECM Installation.
* 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.