Toyota Corolla (E120): Circuit description

Hint:

Hint

: there is a case that hand–held tester cannot be used when ecu is abnormal.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Towing your vehicle with 4 wheels on the ground
    To prevent damage to your vehicle, perform the following procedures before towing. 1 Shift the shift lever to N. 2 Turn the engine switch to the “ACC” position (without a smart key system) or ACCESSORY mode (with a smart key system). (, 166) Ensure that the audio system and other powered de ...

    Overhaul
    Hint: components: 1. Drain manual transaxle oil (m/t transaxle) torque: 39.2 Nvm (400 Kgf·cm, 29 ft·lbf) 2. Drain automatic transaxle fluid (a/t transaxle) torque: 17.5 Nvm (178 Kgf·cm, 13 ft·lbf) 3. Remove front wheel 4. Remove engine under cover lh 5. Remove front axle hub lh nut ...

    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 ...