Toyota Corolla (E120): Circuit description

When the cruise control main switch assy button is turned to on, cruise main indicator light comes on.

Wiring diagram

Wiring diagram

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    Battery
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    Circuit description
    Refer to dtc p0115 Dtc no. Dtc detection condition Trouble area P0125 If the engine coolant temperature (ect) was less than –6.6 °C (20 °F) when starting the engine, and 20 minutes after the engine start, the ect sensor still indicates below 20 °C (68 ...