Toyota Corolla (E120): Door unlock detection switch circuit

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Power door lock control system
Symptom Suspected area All doors are not operated by driver’s door key cylinder interlocked with key Door lock control switch Front door lock assy lh  Wire harness Integration relay Key confinement prevention function does ...

Opening the trunk
■ Trunk opener Pull the lever upward to release the trunk lid. ■ Trunk release button (vehicles with a smart key system) While carrying the electronic key, press the button on the trunk lid. When all the doors are unlocked using one of the following methods, the trunk can be opened without the ...

How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 6, 9. 1 Vehicle brought to workshop 2 Customer problem analysis 3 Connect the obd ii scan tool or hand–held tester to dlc3 4 Check and clear dtc and freeze frame data 5 Visual inspection 6 Setting the check mode diagnosis 7 Proble ...