Communication System: Overview Lexus GX J120

Scheme 288

Scheme 289

Scheme 290

Scheme 291

Scheme 292

Scheme 293

1. INSPECT LOW PITCHED HORN ASSY Connect the positive (+) lead from the battery to the terminal and the negative (-) lead to the horn body, and check that the horn blows. If the result is not as specified, replace the horn assy.
2. INSPECT HIGH PITCHED HORN ASSY Connect the positive (+) lead from the battery to the terminal and the negative (-) lead to the horn body, and check that the horn blows. If the result is not as specified, replace the horn assy.
3. INSPECT HORN RELAY ASSY Remove the horn relay from the instrument panel junction block assy. Inspect the horn relay continuity. Standard: If the result is not as specified, replace the relay assy.

Scheme 294

1. REMOVE LOW PITCHED HORN ASSY Disconnect the connector. Remove the bolt and horn.
2. INSTALL LOW PITCHED HORN ASSY Place the stay onto the baffle part in the radiator support upper, and then install the horn with the bolt. Torque: 20 N.m (199 kgf.cm, 15 ft.lbf) Connect the connector.

Scheme 295

1. REMOVE HIGH PITCHED HORN ASSY Disconnect the connector. Remove the bolt and horn.
2. INSTALL HIGH PITCHED HORN ASSY Place the stay onto the baffle part in the radiator support upper, and then install the horn with the bolt. Torque: 20 N.m (199 kgf.cm, 15 ft.lbf) Connect the connector.