Toyota Corolla (E120): On–vehicle inspection
1. Inspect turn signal flasher relay circuit

- Disconnect the connector from the turn signal flasher relay and inspect the connector on wire harness side as shown in the chart.
Standard:

- Connect the connector to the turn signal flasher and inspect the wire harness side connector from the back side as shown in the chart.
Standard:

2. Inspect daytime running light relay

- Connect the connector to the daytime running light relay and inspect the wire harness side connector from the back side as shown in the table below.
Standard:

*1: Usa only.
3. Illuminated entry system operation check
- the illuminated entry system controls the room lamp assy no.1.
- check that the lamps come on when any of the doors are opened. Then check that the lamps fade out under any one of the following conditions:
- 15 seconds after all the doors are closed.
- The ignition switch is turned to the on position with all the doors closed.
- All the doors are closed and locked.
- check that the lamps stay on for at least 15 seconds after opening any of the doors before fading out as described in (b). Then check that the lamps fade out in 15 seconds after closing all the doors.
- check that the lamps come on when opening any of the doors and fade out when closing and locking all the doors or turning the ignition switch to the acc or on position.
4. Battery saver operation check
- remove the ignition key and close all the doors.
- open any door to turn the room light on, and leave it open. Check
that the light goes off after approx.
20 Minutes.
- after the room light goes off, close the door.
- open any door to turn the room light on, and then open another door. Check that the room light goes off after approx. 20 Minutes after opening the doors.
- close all the doors. With the ignition key inserted, open any door to turn the room light on, and then remove the ignition key. Check that the room light goes off after approx. 20 Minutes.
Other materials:
Follow the correction procedures. (vehicles with a smart key system and with
a drive monitor display)
After taking the specified steps to correct the suspected problem, check that
the warning light turns off.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (front), side impac ...
If the electronic key does not
operate properly (vehicles with a
smart key system)
If communication between
the electronic key and vehicle
is interrupted or the electronic key cannot
be used because the battery
is depleted, the smart key
system and wireless remote
control cannot be used. In
such cases, the doors can
be opened and the engine
can be started by following
the procedur ...
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.
...


