Toyota Corolla (E120): Fuel pump control circuit

Inspection procedure

Circuit description

Other materials:

Replacement
Hint: components: 1. Place front wheels facing straight ahead 2. Remove front wheels 3. Remove engine under cover lh 4. Remove engine under cover rh 5. Remove exhaust pipe 6. Drain transaxle oil 7. Remove hood sub–assy 8. Remove cylinder head cover no.2 9. Remove air cleaner assy 10. R ...

Sound quality is bad in all modes (volume is too low)
Wiring diagram Inspection procedure 1 Adjust sound quality Adjust the sound quality.  Operate the radio receiver assy to adjust the sound quality. Standard: malfunction disappear. 2 Compare it with another car of same model Compare it with another vehicle of the same mo ...

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 ...