Toyota Corolla (E120): Fuel pump control circuit

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Description
When troubleshooting obd ii vehicles, the only difference from the usual troubleshooting procedure is that you need to connect the vehicle to the obd ii scan tool complying with sae j1978 or the hand–held tester, and read various data output from the vehicle’s ecm. Obd ii regulation ...

Electronic control
Removal and installation of battery terminal  before performing electrical work, disconnect the battery negative (–) terminal cable beforehand so as to prevent burnt–out damage by short.  When disconnecting and installing the terminal cable, turn the ignition switch an ...

On–vehicle inspection
1. Inspect drive belt Visually check the belt for excessive wear, frayed cords, etc. If any defect is found, replace the drive belt. Hint: cracks on the rib side of a belt are considered acceptable. If the missing chunks from the ribs are found on the belt, it should be replaced. 2 ...