Sienna FWD V6-3.5L (2GR-FE) (2009)
Engine Control Module: Programming and Relearning
2GR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: REGISTRATION
REGISTRATION
NOTICE: This Vehicle Identification Number (VIN) must be input into the replaced ECM.
1. INPUT INSTRUCTIONS
HINT: This registration section consists of two parts: Read VIN and Write VIN.
(a) Read VIN: This process allows the VIN stored in the ECM to be read in order to confirm that the two VINs, provided with the vehicle and
stored in the vehicle's ECM, are the same.
(b) Write VIN: This process allows the VIN to be input into the ECM. If the ECM is changed, or the ECM VIN and vehicle VIN do not match, the
VIN can be registered, or overwritten in the ECM by following this procedure.
2. READ VIN (Vehicle Identification Number)
(a) Confirm the vehicle VIN.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Turn the Techstream ON.
(e) Select the following menu items: Powertrain / Engine and ECT / Utility / VIN / VIN Read.
3. WRITE VIN
(a) Confirm the vehicle VIN.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Turn the Techstream ON.
(e) Select the following menu items: Powertrain / Engine and ECT / Utility / VIN / VIN Write.