Toyota Corolla (E170) 2014–2019 Owners Manual / Driving / Driving procedures / Engine (ignition) switch (vehicles with a smart key system) / Changing engine switch modes
Toyota Corolla (E170): Changing engine switch modes
Modes can be changed by pressing the engine switch with the brake pedal (continuously variable transmission) or clutch pedal (manual transmission) released. (The mode changes each time the switch is pressed.)
► Vehicles without a multi-information display Off*
The emergency flashers can be used.
The smart key system indicator light (green) is off.
ACCESSORY mode
Some electrical components such as the audio system can be used.
The smart key system indicator light (green) flashes slowly.
IGNITION ON mode
All electrical components can be used.
The smart key system indicator light (green) flashes slowly.
*: Vehicles with a continuously variable transmission: If the shift lever is in a position other than P when turning off the engine, the engine switch will be turned to ACCESSORY mode, not to off.

► Vehicles with a multi-information display Off*
The emergency flashers can be used.
The multi-information display will not be displayed.
ACCESSORY mode
Some electrical components such as the audio system can be used.
“POWER ON” will be displayed on the multi-information display.
IGNITION ON mode
All electrical components can be used.
“POWER ON” will be displayed on the multi-information display.
*: Vehicles with a continuously variable transmission: If the shift lever is in a position other than P when turning off the engine, the engine switch will be turned to ACCESSORY mode, not to off.

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.
...
Vehicle control system
Ignition or starter switch assy
Replacement
1. Remove steering column cover
2. Remove ignition or starter switch assy
Disconnect the ignition switch connector and unlock
warning switch connector.
remove the 2 clamps.
remove the 2 screws and ignition switch.
Inspectio ...
On–vehicle inspection
1. Inspect brake booster
Airtightness check.
Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
Hint:
if the pedal goes down farthest at the 1st time, but gradually
rises after the 2nd or 3rd time, the booster is airtight.
...


