Toyota Corolla (E120): Ecu power source circuit

Share this page:

Other materials:

Diagnostic trouble code chart
Hint: when the srs warning light remains lit up and the dtc is the normal code, this means a voltage source drops. This malfunction is not stored in memory by the airbag sensor assy center and if the power source voltage returns to normal, the srs warning light will autom ...

Check open circuit
For the open circuit in the wire harness in fig. 1, Perform a resistance check in step (b) or a voltage check in step (c) to locate the section. Check the resistance.  Disconnect connectors a and c and measure the resistance between them. Resistance: 1 Ω or les ...

Setup menu
You can adjust the multimedia system to your desired settings. Display “Setup” screen Press the “SETUP” button to display the “Setup” screen. 1 Select to adjust the settings for operation sounds, screen animation, etc. 2 Select to set the voice settings. 3 Select to adjust the s ...