How to Troubleshoot the Fuel and Emissions Systems
  1. Remove the bolts (D), then remove the ECM (E).
  1. Disconnect the ECM connectors A, B, and C.
    NOTE: ECM connectors A, B, and C have symbols (A=□, B=△, C=○) embossed on them for identification.
  1. Install a known-good ECM in the reverse order of removal.
  1. Install the battery.
  1. 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; ignore it, and continue this procedure.
  1. Manually input the VIN to the ECM with the HDS.
  1. Select the IMMOBI SYSTEM with the HDS.
  1. Enter the immobilizer code with the ECM replacement procedure in the HDS; it allows you to start the engine.
  1. Select the PGM-FI system and reset the ECM with the HDS.
  1. Update the ECM if it does not have the latest software.
  1. Do the ECM idle learn procedure.
  1. Do the CKP pattern learn procedure.
  1. Enter the anti-theft code for the audio and set the clock.