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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:

Bluetooth Audio (Multimedia system)
Listening to Bluetooth Audio The Bluetooth audio system enables the user to enjoy music played on a portable player from the vehicle speakers via wireless communication. When a Bluetooth device cannot be connected, check the connection status on the Bluetooth* Audio screen. If the device ...

Onvehicle inspection
1. Check battery electrolyte level Check the electrolyte quantity of each cell (maintenancefree battery).  If under the lower level, replace the battery (or add distilled water if possible) and check the charging system.  check the electrolyte quantity of each cell (e ...

Tire & wheel
Wheel and tire system Inspection 1. Inspect tire  check the tires for wear and proper inflation pressure. Cold tire inflation pressure: Using a dial indicator, check the tire runout. Tire runout: 3.0 Mm (0.118 In.) Or less 2. Rotate tire Hint: see the illustration ...

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