Toyota Corolla (E120): Front suspension

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Noise occurs
Inspection procedure 1 Check of speaker installation Check speaker installation condition.  Check that each speaker is securely installed. Standard: malfunction disappear. Hint: the radio is equipped with noise prevention system that does not work against the regular use of t ...

Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...

Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat outer belt assy lh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensio ...