Toyota Corolla (E120): Diagnostic trouble code chart

Pre–check

Terminals of ecu

Other materials:

Monitor description
While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm. If the ecm detects the starter control signal (sta) while the vehicle is driving, it will conclude that there is a fault in the starter control circuit. The ecm will turn on the mil and a d ...

Precaution
1. Notices when checking  power door lock/unlock function: the wireless remote control function operates only when the following 3 conditions are met.  No key is inserted into the ignition key cylinder.  All the doors are closed. However, doors can be unlocked even wh ...

Inspection procedure
1 Inspect shift solenoid valve(s1) Remove the shift solenoid valve s1. measure the resistance according to the value(s) in the table below. Standard: Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the solenoid ...