Programming and Relearning

2AZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: REGISTRATION

REGISTRATION
NOTE: The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT: The VIN is a 17-digit alphanumeric number. Techstream is required to register the VIN.

1. DESCRIPTION
This registration section consists of 3 parts: Input Instructions, Read VIN and Write VIN.
(a) Input Instructions: Explains the general VIN input instructions when using Techstream.
(b) 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.
(c) Write VIN: This process allows the VIN to be input into the ECM. If the ECM is changed, or the vehicle VIN and ECM VIN do not match, the VIN can be registered or overwritten in the ECM by following this procedure.
2. READ VIN
(a) Confirm the vehicle VIN.
(b) Connect Techstream to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Turn the tester 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 Techstream to the DLC3.
(c) Turn the ignition switch to the ON position.
(d) Turn the tester ON.
(e) Select the following menu items: Powertrain / Engine and ECT / Utility / VIN / VIN Write.