Toyota Corolla (E120): Circuit description
The wireless receiver receives a set/unset signal for the tvip system and sends the signal to the tvip ecu via the integration relay.
Wiring diagram

Other materials:
Sound quality is bad only when playing tape
Inspection procedure
1 Replace cassette tape with another and recheck
Replace the cassette tape with another and recheck.
Replace the faulty cassette tape with the normal one to see if the
same trouble occurs again.
Standard: malfunction disappear.
2 Check for any foreig ...
Inspection procedure
1 Check connector
Disconnect the negative (–) terminal cable from the battery, and wait at
least for 90 seconds.
check the connection of the combination meter connector and the
airbag sensor assy center connectors.
Ok:
the connectors are connected.
2 Check combination ...
Aluminum wheel precautions (if equipped)
● Use only Toyota wheel nuts and wrenches designed for use with your aluminum
wheels.
● When rotating, repairing or changing your tires, check that the wheel nuts are
still tight after driving 1000 miles (1600 km).
● Be careful not to damage the aluminum wheels when using tir ...


