INSPECTION PROCEDURE 1. INSPECT UNLOCK WARNING SWITCH ASSEMBLY 
(a) Measure the resistance according to the value(s) in the table below. Standard resistance:
If the result is not as specified, replace the unlock warning switch assembly. Text in Illustration
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Toyota Tundra Service Manual > Theft Deterrent: Security Horn Assembly
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT SECURITY HORN ASSEMBLY (a) Apply battery voltage and check operation of the horn. OK: Measurement Condition Specified Condition Battery positive (+) → Terminal 1 Battery negative (-) → Horn bracket Horn sounds If the r ...
