Corolla S Sedan L4-1794cc 1.8L DOHC MFI (2001)
3. REINSTALL ECM
a. Connect the 3 (M/T and 3 A/T) or 4 (4 A/T) ECM connectors.
b. Connect the 5 connectors from connectors on bracket.
c. Connect the heated oxygen sensor (bank 1 sensor 2) connector.
d. Connect the ECM and install the 3 bolts.
e. Install the finish lower center panel.