Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Audio system
Toyota Corolla (E120): Audio system
- Description
- How to proceed with troubleshooting
- Pre–check
- Diagnostic trouble code chart
- Terminals of ecu
- Problem symptoms table
- Pressing power switch does not start system
- Turning on light switch does not light up night time illumination of radio receiver
- No sound is heard from speaker in all modes
- Sound quality is bad in all modes (volume is too low)
- Radio broadcast cannot be received (bad reception)
- Cassette tape cannot be inserted or played
- Cassette tape cannot be ejected
- Sound quality is bad only when playing tape
- Tape is tangled due to incorrect tape speed or auto–reverse malfunction
- Cd cannot be inserted or is ejected right after insertion
- Although system is powered,cd cannot be played
- Cd cannot be taken out
- Sound quality is bad only when cd is played(volume is too low)
- Cd sound skips
- Noise occurs
Other materials:
Air conditioning controls
■ Adjusting the temperature setting
To adjust the temperature setting, turn
clockwise to increase the temperature
and turn counterclockwise to decrease
the temperature.
■ Fan speed setting
Press “>” on to increase the fan
speed.
Press “<” on to decrease the ...
Inspection
1. Fuel injector assy
Inspect injector resistance.
Using an ohmmeter,measure the resistance between
the terminals.
Resistance: 13.4 – 14.2 Ω at 20 c (68 f)
Inspect injector inspection
Caution:
keep injector clear of sparks during the test.
Purch ...
Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connector between the airbag sensor
assy center and the horn button assy.
for the black ...


