Toyota Corolla (E120): Electronically controlled transmission communication circuit

Inspection procedure

Circuit description

Other materials:

Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the airbag sensor assy center in case the source voltage drops. When the battery voltage drops, the voltage–increase circuit (dc–dc converter) functions to increase the voltage of the srs to normal voltage. ...

Inspection procedure
Hint: hand–held tester only: narrowing down the trouble area is possible by performing ”a/f control” active test (heated oxygen sensor or other trouble areas can be distinguished). Perform active test using hand–held tester (a/f control). Hint: ”a/f control” is the active te ...

Wireless remote control (if equipped)
The keys are equipped with the following wireless remote control: Vehicles without a smart key system Locks the doors Unlocks the doors Opens the windows*1 and moon roof*1, 2 Opens the trunk Sounds the alarm Vehicles with a smart key system Locks the doors Unlocks the doors Opens the ...