Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Computers and Control Systems: Service Precautions





1GR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: PRECAUTION

1. INITIALIZATION

NOTICE:
* Perform initialization (throttle position) after replacing the throttle with motor body assembly or cleaning any throttle body components Installation.
* Perform initialization (throttle position) after reconnecting the battery cable or replacing the ECM Installation.
* Perform the RESET MEMORY (AT initialization) when replacing the automatic transmission assembly, engine assembly or ECM Programming and Relearning.
* 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 Programming and Relearning.
HINT
Initialization cannot be completed by only removing the battery.

2. FOR USING TECHSTREAM

CAUTION:
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 tester, two persons are required. One is for driving the vehicle, and the other operates the Techstream.