Toyota Corolla (E120): Circuit description
The door control receiver receives a signal from the transmitter and sends this signal to the integration relay.
Then, the integration relay controls door operation by sending a door lock/unlock signal to each door lock motor.
Wiring diagram

Other materials:
On–vehicle inspection
1. Inspect turn signal flasher relay circuit
Disconnect the connector from the turn signal flasher
relay and inspect the connector on wire harness side as
shown in the chart.
Standard:
Connect the connector to the turn signal flasher and inspect
the wire harness side connector ...
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
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 ...


