Toyota Corolla (E120): Circuit description

Circuit description

Wiring diagram

Wiring diagram

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    Inspection procedure
    1 Check d squib circuit(airbag sensor assy center – horn button assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connector between the airbag sensor assy center and the horn button assy.  for the black ...

    Inspection
    1. Thermostat Hint: the thermostat is numbered with the valve opening temperature. Immerse the thermostat in water and gradually heat the water.  check the valve opening temperature. Valve opening temperature: 80 to 84 c (176 to 183 f) Hint: if the valve opening temperatur ...

    How to proceed with troubleshooting
    1 Vehicle brought to workshop 2 Customer problem analysis 3 Problem symptom confirmation 4 Circuit inspection 5 Repair or replace 6 Confirmation test 7 End Customer problem analysis check ...