Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000013O8008X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: HORN: HORN SYSTEM: INSPECTION; 2007 MY LX470 [08/2006 -        ]

INSPECTION

1. INSPECT FUSE (HORN)

(a) Measure the resistance of the HORN fuse.

Standard resistance:

Below 1 Ω

If the result is not as specified, replace the fuse.

2. INSPECT LOW PITCHED HORN ASSEMBLY

(a) Apply battery voltage and check the operation of the horn.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 1

Battery negative (-) → Horn bracket

Horn sounds

If the result is not as specified, replace the horn assembly.

3. INSPECT HIGH PITCHED HORN ASSEMBLY

(a) Apply battery voltage and check the operation of the horn.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 1

Battery negative (-) → Horn bracket

Horn sounds

If the result is not as specified, replace the horn assembly.