Toyota Corolla (E120): Circuit description
The integration relay receives a switch signal from the master switch, door lock control switch or the driver’s door key and then drives the door lock motor.
Wiring diagram
Other materials:
Inspection
1. Power window system circuit
2. Inspect power window regulator master switch assy
Inspect the master switch continuity.
[Driver’s switch (window unlock and lock)]
Standard:
[Front passenger’s switch (window unlock)]
standard:
[Front passenger’s switch (window lock)]
...
Terminals of ecu
1. Inspect integration relay
Disconnect the connector and check the continuity of each terminal of
the disconnected connector.
Standard :
If the result is not as specified, the vehicle’s side may malfunction.
Reconnect the connector and check each terminal.
Standard:
If ...
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 ...