Problem Symptoms Table
WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
If a normal system code is displayed during the DTC check, but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Wireless Door Lock Control System
SYMPTOM CHARTSymptom Suspected Area See Wireless control function and entry function do not operate Proceed to "All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate" ALL DOOR ENTRY LOCK/UNLOCK FUNCTIONS AND WIRELESS FUNCTIONS DO NOT OPERATE Wireless control function does not operate but entry function operate Replace electrical key transmitter - Luggage compartment door open function only does not operate Perform operation check OPERATION CHECK Proceed to "Luggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment" LUGGAGE COMPARTMENT DOOR ENTRY UNLOCK FUNCTION DOES NOT OPERATE WHEN KEY IS OUTSIDE LUGGAGE COMPARTMENT Answer-back function only does not operate Proceed to "No Answer-Back" NO ANSWER-BACK Automatic lock function only does not operate normally Perform operation check OPERATION CHECK Lighting system (door courtesy light switch circuit) DOOR COURTESY SWITCH CIRCUIT Main body ECU - Illuminated entry function only does not operate Perform operation check OPERATION CHECK Lighting system (illuminated entry function) PROBLEM SYMPTOMS TABLE Main body ECU - Door ajar warning function only does not operate Perform operation check OPERATION CHECK Lighting system (door courtesy light switch circuit) DOOR COURTESY SWITCH CIRCUIT Main body ECU - Panic alarm function only does not operate Perform operation check OPERATION CHECK Horn system - Main body ECU -