Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.

Turn the ignition switch to ON (II).

Make sure the HDS communicates with the ECM/PCM and other vehicle systems. If it doesn't, go to the DLC circuit troubleshooting.

Select the READ DATA in the REPLACE ECM MENU with the HDS.

NOTE: If the READ DATA fails, ask the customer about the fuel grade (alcohol contained level) in the fuel tank (main), then go to Step 5 .

Jump the SCS line with the HDS.

Turn the ignition switch to LOCK (0).

Remove the ECM/PCM cover (A).

Remove the battery setting plate, and reposition the battery (D) away from the ECM/PCM.

NOTE: Do not disconnect the battery terminals.

Remove the bolts (E).

Disconnect ECM/PCM connectors A, B, and C, then remove the ECM/PCM (E).

NOTE: ECM/PCM connectors A, B, and C have symbols (A=□, B=△, C=○) embossed on them for identification.

Install a known-good ECM/PCM in the reverse order of removal.

Turn the ignition switch to ON (II).

NOTE: DTC P0630 ‘‘VIN Not Programmed or Mismatch'' may be stored because the VIN has not been programmed into the ECM/PCM; ignore it, and continue this procedure.

Manually input the VIN to the ECM/PCM with the HDS.

Select the IMMOBI SYSTEM with the HDS.

Enter the immobilizer code using the ECM/PCM replacement procedure in the HDS; it allows you to start the engine.

Select PGM-FI system and reset the ECM/PCM with the HDS.

Update the ECM/PCM if it does not have the latest software.

Start the engine.

Select MAIN FUEL TANK ALCOHOL CONTENT in the ADJUSTMENT MENU with the HDS.

Select the appropriate ALCOHOL CONTENT in the HDS screen by the customer's information on Step 4 .

NOTE: If the customer did not remember about it, go to Step 21 .

Try to start the engine.

Select LOW ALCOHOL CONTENT and try to start the engine.

Select 50 % ALCOHOL CONTENT and try to start the engine.

Select 90 % ALCOHOL CONTENT and try to start the engine.

Select 100 % ALCOHOL CONTENT and try to start the engine.

Drain the fuel tank.

Relieve the fuel pressure.

Fill the fuel tank (main) with a gasoline.

Select LOW ALCOHOL CONTENT and try to start the engine.

Do the ECM/PCM idle learn procedure.

Do the CKP pattern learn procedure.