Toyota Corolla (E120): Fuel pump control circuit

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Changing engine switch modes
Modes can be changed by pressing the engine switch with brake pedal released. (The mode changes each time the switch is pressed.) OFF*1 The emergency flashers can be used. ACC*2 Some electrical components such as the audio system can be used. "ACCESSORY" will be displayed on the multi-info ...

Inspection procedure
Hint: if dtcs p0115, p0116, p0117, p0118 and p0125 are output simultaneously, the engine coolant temperature sensor circuit may be open or short. Perform the troubleshooting of dtc p0115, p0117 or p0118 first. Read freeze frame data using the hand-held tester or the obd ii scan to ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...