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:
Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
...
Description
When troubleshooting obd ii vehicles, the only difference
from the usual troubleshooting procedure is that you
need to connect the vehicle to the obd ii scan tool complying
with sae j1978 or the hand–held tester, and read
various data output from the vehicle’s ecm.
Obd ii regulation ...
Problem symptoms table
Proceed to the reference page shown in the table below for each malfunction
symptom and troubleshoot
each circuit.
Hint:
troubleshooting of the tvip system is based on the premise that the door lock
control system and wireless
door lock control system is operating normally. Accordingly, be ...


