Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Terminals of ecu
Toyota Corolla (E120): Terminals of ecu



Oscilloscope wave (*1)
Hint
:
- terminal: od – gnd
- gauge set: 5 v / div, 50 ms / div
- condition: during cruise control driving o/d switch on.
Other materials:
Rear suspension
Preparation
Sst
Recomended tools
Equipment
Tire & wheel
Preparation
Equipment
...
Key confinement prevention function does not work
properly (unlock warning switch circuit)
Circuit description
The unlock warning switch turns on when the key is inserted in the ignition
key cylinder and the door courtesy
switch turns on when the driver’s door is opened, and the integration relay
monitors both switches conditions.
According to these switches conditions, the int ...
Inspection procedure
Hint:
troubleshoot each trouble symptom in accordance with the chart below.
1 Clear dtc
Connect the hand–held tester or the obd ii scan tool to the dlc 3.
turn the ignition switch on and push the hand–held tester or the
obd ii scan tool main switch on.
read the dtc . ...


