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

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    Inspection procedure
    1 Check operation(overdrive) Drive the vehicle after the engine warms up.  check that overdrive on e off occurs by an operation of the o/d switch on–off. 2 Inspect terminal voltage(od) Remove the cruise control ecu assy with the connector still connected.  tur ...

    Window lock switch
    Press the switch to lock the passenger window switches. Use this switch to prevent children from accidentally opening or closing a passenger window. ■The power windows can be operated when ► Vehicles without a smart key system The engine switch is in the “ON” position. υ ...

    Circuit description
    Refer to dtc p0130 Dtc no Dtc detection condition Trouble area P0136 The following condition (a) or (b) continues for 300 seconds or more: During driving with the engine warmed up, heated oxygen sensor o tp t does not change output change. he ...