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:
Floor shift cable transmission control
shift (atm)
Replacement
1. Precaution
2. Disconnect battery negative terminal
3. Remove parking brake hole cover sub–assy
4. Remove console panel upper
5. Remove console box carpet
6. Remove console box sub–assy rear
7. Remove air bag sensor assy center
8. Disconnect oxygen sensor connector
...
Inspection procedure
1 Inspect terminal voltage(od – body ground)
Disconnect the cruise control ecu connector.
turn the ignition switch to the on position.
measure the voltage between terminal od of cruise control
ecu and body ground.
Standard:
2 Inspect terminal voltage(od1 – bod ...
Steering wheel audio switches
Some audio features can be controlled using the switches on the steering wheel.
Operation may differ depending on the type of multimedia system or navigation
system. For details, refer to the manual provided with the multimedia system or
navigation system.
Operating the multimedia system using ...