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:
Symptom confirmation and diagnostic trouble code
Hint:
the diagnostic system in corolla has various functions. The first
function is the diagnostic trouble
code (dtc) check, in which a malfunction in the signal circuits to the ecu
is stored in code form in
the ecu memory. Another function is the input signal check, which checks if
...
Circuit description
Monitor description
The ecm commands gearshift by turning the shift solenoid valves ”on/off”.
When there is an open or short
circuit in any shift solenoid valve circuit, the ecm detects the problem and the
mil comes on. Illuminating
the mil, the ecm performs the fail–safe and turns ...
Inspection procedure
Hint:
the switch described in this text is a switch for transmitting signals which is
built in the door control transmitter.
1 Check wireless door lock control functions
Normal
2 Replace transmitter battery with normal one
After replacing the transmitter battery with a new or normal o ...