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:
Pressing power switch does not start system
Wiring diagram
Inspection procedure
1 Inspect radio receiver assy(+b, acc, gnd)
Check that the continuity between terminals at each
condition, as shown in the chart.
Standard:
Check that the voltage between terminals at each condition,
as shown in the chart.
Standard:
...
How to proceed with troubleshooting
The hand–held tester can be used at step 4, 6, 8 and 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Warning light check
4 The dtcs check (present and past dtcs)
5 The dtcs chart
6 Circuit inspection
7 Repair
8 Clear the dtcs (present and past dtcs)
9 The dt ...
Emergency Driving Stop System
The emergency driving stop
system is a system which
automatically decelerates
and stops the vehicle within
its lane if the driver
becomes unable to continue
driving the vehicle, such as
if they have suffered a medical
emergency, etc.
During LTA (Lane Tracing
Assist) control, if the system
does not ...


