RX 300 FWD V6-3.0L (1MZ-FE) (1999)
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.
Horn Circuit
CIRCUIT DESCRIPTION
The horn is connected to the Body ECU and activated by the Body ECU during warning of the theft deterrent system.
WIRING DIAGRAM