Toyota Tundra Service Manual: Problem Symptoms Table

Toyota Tundra Service Manual / Vehicle Interior / Door Lock / Wireless Door Lock Control System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

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	Suspected Area	See page
Only wireless control function is inoperative	Proceed to "Only Wireless Control Function is Inoperative"
Only answer-back function does not operate normally	Proceed to "No Answer-Back"
When returning to the vehicle, although door unlock operation was not performed, doors were in an unlocked state.	Power door lock control system
When returning to the vehicle, although door lock operation was not performed, doors were in a locked state.	Power door lock control system

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Toyota Tundra Service Manual: Problem Symptoms Table

Precaution

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