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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:

Receiving a phone call
Answering the phone Press the off-hook switch. Refusing a call Press the on-hook switch. Receiving a call when on another call Press the off-hook switch. Pressing the off-hook switch again returns you to the previous call. Adjusting the ringtone volume when receiving a call Change the ringto ...

Removal & installation and disassembly & reassembly
1. Remove bench type rear seat cushion assy 2. Remove rear floor service hole cover Remove the rear service hole cover. Disconnect the fuel pump and vapor pressure sensor connector. 3. Work for preventing gasoline from spilling out Start the engine.  after the engi ...

Inspection procedure
Hint: start the inspection from step 1 in case of using the handheld tester and start from step 2 in case of not using handheld tester. 1 Inspect brake actuator assy Select the datalist mode on the handheld tester.  check the operation sound of the abs pump motor when operating it ...

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