Corolla S Sedan L4-1794cc 1.8L DOHC MFI (2001)
Engine Control Module: Service and Repair
Removal and Installation
Engine Control Module
1. REMOVE ECM
a. Remove the finish lower center panel.
b. Remove the 3 bolts and disconnect the ECM.
c. Disconnect the 3 (M/T and 3 A/T) or 4 (4 A/T) ECM connectors.
d. Disconnect the 5 connectors from connectors on bracket.
e. Disconnect the heated oxygen sensor (bank 1 sensor 2) connector.
2. INSPECT ECM