Toyota Corolla (E120): Circuit description

When the tvip system operates, the tvip ecu controls the starter cut relay so that the relay should not be turned on and consequently the starter can not crank the engine.

Wiring diagram

Inspection procedure

    Share this page:

    Other materials:

    Overhaul
    Notice: when installing, coat the parts indicated by the arrow with power steering fluid or molybdenum disulfide lithium base grease. 1. Precaution 2. Disconnect battery negative terminal 3. Inspect center front wheel 4. Remove horn button assy 5. Remove steering wheel assy sst 09950–50013 ...

    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 connectors between the horn button assy and the airbag sensor assy center.  for the oran ...

    Inspection procedure
    1 Check front airbag sensor (rh) circuit (to b+)(airbag sensor assy center – airbag front rh sensor) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag front rh sensor and the airbag sen ...