Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system / Turning on light switch does not light up night time
illumination of radio receiver
Toyota Corolla (E120): Turning on light switch does not light up night time illumination of radio receiver
Wiring diagram

Inspection procedure
1 Inspect radio receiver assy(ill+, ill–)

- Check that the voltage between terminals at each condition, as shown in the chart.
Standard:



Repair or replace harness or connector
Other materials:
If you have a flat tire
Your vehicle is equipped
with a spare tire. The flat tire
can be replaced with the
spare tire.
WARNING
■If you have a flat tire
Do not continue driving with a flat
tire. Driving even a short distance
with a flat tire can damage the tire
and the wheel beyond repair,
which could result in an acciden ...
Toyota vehicle intrusion protection system
On–vehicle inspection
1. Outline of toyota vehicle intrusion protection (tvip) system
Hint:
the theft deterrent system has 2 modes; one is the active mode that is an
initially set mode and another is
the passive mode that can be switched on/off by the specified method (see step
4).
&nb ...
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.
...


