Toyota Corolla (E120): Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Circuit description
    Refer to dtc p0335 Dtc no. Dtc detection condition Trouble area P0016 Deviation in crankshaft position sensor signal and camshaft position sensor signal (2 trip detection logic) Mechanical system (timing chain has jumped a tooth, chain stretch ...

    Manual air conditioning system∗
    Air conditioning controls ► Heater ► Air conditioning system ■ Adjusting the temperature setting ► Heater To adjust the temperature setting, turn the dial clockwise to increase the temperature. ► Air conditioning system To adjust the temperature setting, tu ...

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtc 4 Problem symptom confirmation 5 Symptom simulation 6 Dtc check 7 Dtc chart 8 Problem symptoms table 9 Circuit inspection 10 Identification of problem 11 Parts inspection 12 Repair 1 ...