Toyota Corolla (E120): Circuit description

This is the power source of the ecu, hence the actuators.

Wiring diagram

Wiring diagram

Inspection procedure

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    Basic inspection
    When the malfunction is not confirmed in the dtc check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found ...

    Antenna cord sub–assy
    Replacement Hint: components: 1. Remove instrument panel sub–assy upper Hint: refer to the procedure until the step, ”remove instrument panel sub–assy upper” of instrument panel sub–assy lower. Remove the related parts as long as the antenna cord sub–assy can be removed ...

    Inspection procedure
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