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Computers and Control Systems: Service Precautions





3UR-FBE ENGINE CONTROL SYSTEM: 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:
* After the ignition switch is turned off, the navigation system requires approximately 90 seconds to record various types of memory and settings. As a result, after turning the ignition switch off, wait 90 seconds or more before disconnecting the cable from the negative (-) battery terminal.
* 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.