Horn (Service Information): Overview Lexus RX III

Scheme 2

Scheme 3

1. REMOVE ENGINE ROOM SIDE COVER . Refer to «REMOVAL - Step 1»(ref-400813-S02084383242011051800000)
2. REMOVE ENGINE ROOM SIDE COVER LH . Refer to «REMOVAL - Step 2»(ref-400813-S02084383242011051800000)
3. REMOVE COOL AIR INTAKE DUCT SEAL . Refer to «REMOVAL - Step 3»(ref-400813-S02084383242011051800000)
4. REMOVE HOOD CENTER CUSHION . Refer to «REMOVAL - Step 4»(ref-400813-S02084383242011051800000)
5. REMOVE FRONT BUMPER ASSEMBLY . Refer to «REMOVAL - Step 5»(ref-400813-S02084383242011051800000)
6. REMOVE LOW PITCHED HORN ASSEMBLY Disconnect the connector. Remove the bolt and low pitched horn assembly.

Scheme 4

1. INSPECT LOW PITCHED HORN ASSEMBLY Apply battery voltage and check the operation of the horn according to the table below. OK Measurement Condition Specified Condition Battery positive (+) --> Terminal 1 Battery negative (-) --> Body ground Horn sounds If the result is not as specified, replace the low pitched horn assembly.