Toyota Highlander Service Manual: Horn system

LOCATION

INSPECTION

1. INSPECT RELAY (HORN)

(a) Remove the HORN relay from the engine room J/B.

(b) Measure the HORN relay resistance.

Standard:

2. INSPECT HIGH PITCHED HORN ASSY

(a) Check operation of the horn.

Standard:

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

3. INSPECT LOW PITCHED HORN ASSY

(a) Check operation of the horn.

Standard:

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