Toyota Corolla (E120): Door courtesy switch circuit

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Dialing from call histories
1 Select “All calls”, “Missed calls”, “Incoming calls” or “Outgoing calls” using . 2 Select the desired number using and press the off-hook switch. The following operations can be performed: ● Registering a number as a speed dial Press (Add S. Dial) and then press an ...

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 ...

How to proceed with troubleshooting
1 Vehicle brought to workshop 2 Customer problem analysis 3 Check and clear dtc 4 Problem symptom confirmation Symptom does not occur (go to step 5) 5 Symptom simulation 6 Dtc check 7 Dtc chart 8 Problem symptoms table 9 Circuit inspection 10 Confirmation test End ...