Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
Engine Control Module: Testing and Inspection
Component Inspection
COMPONENTS
INSPECTION
1. REMOVE ECM
a. Remove the finish lower center panel.
b. Remove the 3 bolts and disconnect the ECM.
c. Disconnect the 3 ECM connectors.
d. Disconnect the 5 connectors from connectors on bracket.
e. Disconnect the heated oxygen sensor (bank1 sensor2) connector.
2. INSPECT ECM