Toyota Corolla (E120): Fuel pump control circuit

Inspection procedure

Circuit description

Other materials:

Maintenance data (fuel, oil level, etc.)
Dimensions and weight *1:Unladen vehicles *2:Vehicles without 18-inch tires *3:Vehicles with 18-inch tires for Guam and Saipan *4:Vehicles with 18-inch tires except for Guam and Saipan *5:For Guam and Saipan Seating capacity Vehicle identification ■ Vehicle identification number The vehicle iden ...

Malfunction in clock
Wiring diagram Inspection procedure 1 Inspect fuse Check the continuity in cig fuse.  check the continuity in dome fuse. 2 Inspect harness or connector Check voltage.  Remove the clock assy with connector still connected.  Measure voltage between ter ...

Circuit description
The fuel trim is related to the feedback compensation value, not to the basic injection time. The fuel trim includes the short–term fuel trim and the long–term fuel trim. The short–term fuel trim is the short–term fuel compensation used to maintain the air–fuel ratio at stoichiomet ...