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Home >> Toyota >> 2012 >> 4Runner Trail >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> 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
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Problem Symptoms Table

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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 operates Replace door control transmitter -
Only answer-back function does not operate Proceed to "No Answer-Back" Refer to No Answer-Back
Only automatic lock function does not operate Proceed to "Door Courtesy Switch Circuit" Refer to Door Courtesy Switch Circuit
Proceed to "Back Door Courtesy Switch Circuit" Refer to Back Door Courtesy Switch Circuit
Main body ECU Refer to TERMINALS OF ECU 
Only illuminated entry function does not operate Lighting system Refer to HOW TO PROCEED WITH TROUBLESHOOTING
Only door ajar warning function does not operate Proceed to "Door Courtesy Switch Circuit" Refer to Door Courtesy Switch Circuit
Proceed to "Back Door Courtesy Switch Circuit" Refer to Back Door Courtesy Switch Circuit
Main body ECU Refer to TERMINALS OF ECU 
Only panic alarm function does not operate Theft deterrent system Refer to HOW TO PROCEED WITH TROUBLESHOOTING