Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

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Theft Deterrent Horn Circuit


Theft Deterrent Horn Circuit

CIRCUIT DESCRIPTION
During warning of the theft deterrent system, the body No.1 ECU activates the theft deterrent horn.





WIRING DIAGRAM

Step 1:




Step 2:




Step 3:





INSPECTION PROCEDURE

HINT: In case of using the LEXUS hand-held tester, start the inspection from step 1 and in case of not using the LEXUS hand-held tester, start from step 2.