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:
Rear wheel alignment
Inspection
1. Inspect tire
2. Measure vehicle height
Notice:
before inspecting the wheel alignment, adjust the vehicle height to the
specified value.
3. Inspect toe–in
Toe–in:
usa, canada:
Mexico:
If the toe–in is not within the specified value, inspect and replace
the susp ...
Audio unit
1 Bluetooth® connection status
If “BT” is not displayed, the Bluetooth® audio/phone cannot be used.
2 Display
A message, name, number, etc. is displayed.
Lower-case characters and special characters cannot be displayed.
3 Displays the set up menu
4 Selects items such as menu and number
...
Sound quality is bad only when cd is played(volume is
too low)
Inspection procedure
1 Replace cd with another and recheck
Replace the cd with another and recheck.
Check the installation condition of the radio receiver assembly.
Standard: malfunction disappear.
Check and replace radio receiver assy ...


