LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2011 >> Corolla S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Wireless Door Lock Control System (W/ Smart Key System) (Diagnostics - Introduction)) >> WIRELESS DOOR LOCK CONTROL SYSTEM (W/ Smart Key System) >> Problem Symptoms Table >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

WARNING: This page is about a different car, the 2012 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 information.

HINT: 

WIRELESS DOOR LOCK CONTROL SYSTEM

Symptom 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" Refer to 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 Refer to OPERATION CHECK 
Proceed to "Luggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment" Refer to 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" Refer to No Answer-Back
Automatic lock function only does not operate normally Perform operation check Refer to OPERATION CHECK 
Lighting system (door courtesy light switch circuit) Refer to Door Courtesy Switch Circuit
Main body ECU -
Illuminated entry function only does not operate Perform operation check Refer to OPERATION CHECK 
Lighting system (illuminated entry function) Refer to PROBLEM SYMPTOMS TABLE
Main body ECU -
Door ajar warning function only does not operate Perform operation check Refer to OPERATION CHECK 
Lighting system (door courtesy light switch circuit) Refer to Door Courtesy Switch Circuit
Main body ECU -
Panic alarm function only does not operate Perform operation check Refer to OPERATION CHECK 
Horn system -
Main body ECU -