Toyota Corolla (E120): Engine control system

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Circuit description
Refer to dtc p0120 Dtc no. Dtc detection condition Trouble area P0121 The following condition is met 4 times. After the vehicle speed has exceeded 19 mph (30 km/h) once, the throttle position sensor output value is out of normal range when the throttle ...

Removal & installation and disassembly & re
1. Remove bench type rear seat cushion assy (, 72–8) 2. Remove rear floor service hole cover 3. Work for preventing gasoline from spilling out  start the engine.  after the engine has stopped on the its own, turn the ignition switch to lock. 4. Disconnect fuel tank main tu ...

Overhaul
1. Remove oil filler cap sub–assy Remove the oil filler cap from the cylinder head cover. 2. Remove oil filler cap gasket Using a screwdriver, remove the gasket from the oil filler cap. 3. Remove ventilation valve sub–assy Remove the ventilation valve from the cyl ...