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Problem Symptoms Table

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WIRELESS DOOR LOCK CONTROL SYSTEM: 

PROBLEM SYMPTOM CHART

Symptom Suspected Area Refer To
Only wireless control function is inoperative Door control transmitter ONLY WIRELESS CONTROL FUNCTION IS INOPERATIVE 
Transmitter battery -
Main body ECU -
Door control receiver -
Unlock warning switch -
Wire harness or connector -
Answer-back function does not operate normally. Lighting system NO ANSWER-BACK 
Wire harness or connector -
Main body ECU -
The automatic lock function does not operate normally Perform the operation check OPERATION CHECK 
Wire harness or connector -
Unlock warning switch INSPECTION 
Door courtesy switch circuit OPERATION CHECK 
If the symptoms still occur after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel junction block) -
The illuminated entry function only does not operate Perform the operation check OPERATION CHECK 
Wire harness or connector -
Lighting system HOW TO PROCEED WITH TROUBLESHOOTING
If the symptoms still occur after the above areas have been inspected and proved to be normal, replace the main body ECU (Instrument panel junction block) -