Toyota Tacoma manuals

Toyota Corolla Repair Manual: 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).

When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the coil of the circuit opening relay, the relay switches on, power is supplied to the fuel pump and the fuel pump operates.

While the ne signal is generated (engine running), the ecm keeps tr on (circuit opening relay on) and the fuel pump also keeps operating.

Wiring diagram

Wiring diagram

Inspection procedure

Fuel pump control circuit
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Inspection procedure
Handheld tester: 1 Perform active test by handheld tester(operation of circuit opening relay) Connect the handheld tester to the dlc3.  turn the ignition switch on and push the handhe ...

Other materials:

Overview
Buttons on the steering wheel Cruise control on/off Store/maintain speed Pause cruise control / Continue cruise control with the last setting Without steering and traffic jam assistant: Increase the distance Without steering and traffic jam assistant: Reduce distance With steering and traff ...

Capacity and distribution
Cargo capacity depends on the total weight of the occupants. (Cargo capacity) = (Total load capacity) (Total weight of occupants) Steps for Determining Correct Load Limit (1) Locate the statement The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs. on your veh ...

Fuel system
Precaution 1. Before working on fuel system, disconnect negative () terminal cable from battery 2. Do not smoke or work near an open flame when working on fuel system 3. Keep gasoline away from rubber or leather parts 4. Work for prevent gasoline from spilling out Remove the rear sea ...

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