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Toyota Corolla Repair Manual: Fuel pump control circuit

Toyota Corolla Repair Manual / Diagnostics / Sfi system / Fuel pump control circuit

Inspection procedure
1 Inspect ecm(+b voltage) Turn the ignition switch on.  measure the voltage between the terminals of the e4 and e6 ecm connectors. Standard: 2 Check harness and connector(ec ...

Circuit description
In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). ...

Other materials:

Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. 1 Turn the engine switch off. 2 Open the fuse box cover. ► Engine compartment Push the tab in and lift the lid off. ► Under the drivers side ins ...

Inspection procedure
1 Check voltage at ig2 of airbag sensor assy center Disconnect the negative () terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connector of the airbag sensor assy center.  connect the negative () terminal cable to the battery, and wait a ...

Timing gear cover oil seal
Replacement 1. Remove engine under cover rh 2. Remove front wheel rh 3. Remove fan and generator v belt Turn the vribbed belt tensioner slowly clockwise and loosen it. Then, remove the fan and generator belt v and put back the vribbed belt tensioner little by little and fix it qui ...

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