Related Diagnostic Procedures

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.