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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Computers and Control Systems: Service Precautions








3UR-FE ENGINE CONTROL: SFI SYSTEM: PRECAUTION

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:
- 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.