Toyota Corolla (E120): Diagnostic trouble code chart

Pre–check

Terminals of ecu

Other materials:

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 ...

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 ...

Ecu power source circuit
Circuit description This circuit provides power to operate the tvip ecu. Wiring diagram Inspection procedure 1 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  check the continuity of the fuse. Standard: continuity 2 Check tvip ecu Disconnect ...