Toyota Corolla (E120): Diagnostic trouble code chart

Pre–check

Terminals of ecu

Other materials:

Check and replace ecu
Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...

Speed control main switch assy
Replacement 1. Disconnect battery negative terminal 2. Inspect place front wheels facing straight ahead 3. Remove horn button assy 4. Remove steering wheel assy sst 09950–50013 (09951–05010, 09952–05010, 09953–05020, 09954–05021) 5. Remove speed control main switch assy Remov ...

Automatic transaxle assy (atm)
Precaution  The automatic transaxle is composed of highly precision–finished parts, necessitating careful inspection before reassembly because even a small nick could cause fluid leakage or affect the performance. The instructions here are organized so that you work on only o ...