Toyota Corolla (E170) 2014–2019 Owners Manual / Operation of each component / Opening, closing and locking the doors / Doors / Unlocking and locking the doors from the inside
Toyota Corolla (E170): Unlocking and locking the doors from the inside
◆ Door lock switches
1 Locks all the doors 2 Unlocks all the doors

◆ Inside lock buttons
1 Locks the door
2 Unlocks the door
The front doors can be opened by pulling the inside handle even if the lock buttons are in the lock position.

Other materials:
How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 5, 7, 10.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect hand–held tester to dlc3
Hint:
if the display indicates a communication fault in the tool, inspect dlc3.
4 Check dtc and freeze frame data
Hint:
record or pr ...
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.
...
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...


