Toyota Corolla (E120): Engine control system

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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 c ...

On–vehicle inspection
1. Check fuel pump operation Connect the hand–held tester to the dlc3.  turn the ignition switch on and hand–held tester main switch on. Notice: do not start the engine.  select the active test mode on the hand–held tester.  please refer to the hand–held te ...

License plate lamp assy
Replacement 1. Remove luggage compartment lock cylinder & key set 2. Remove luggage compartment door garnish outside 3. Remove license plate lamp assy Pull the license plate light assy to the side of vehicle as shown in the illustration and release the claw.  disconnect the c ...