Computers and Control Systems: Service Precautions
1GR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: PRECAUTION
1. INITIALIZATION
NOTICE:
* If the ECM is replaced, register the ECU communication ID for Immobiliser System Programming and Relearning.
* Perform the Reset Memory (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM .
* Perform the Registration (VIN registration) when replacing the ECM Programming and Relearning.
* If the ECM has been replaced or Reset Memory (AT initialization) has been performed, set up the function of the ATF (Automatic Transmission Fluid) temperature warning light .
* Perform initialization (throttle position) after replacing the throttle body or cleaning any throttle body components Installation.
* Perform initialization (throttle position) after reconnecting the battery cable or replacing the ECM Installation.
HINT
Initialization cannot be completed by only disconnecting and reconnecting the cable of the negative (-) battery terminal.
2. WHEN USING TECHSTREAM
CAUTION:
Observe the following items for safety reasons:
* Before using the Techstream, read the instruction manual.
* 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.