Horn

'6�XHorn:

WIRING DIAGRAM

Horn: Component Location:

COMPONENT LOCATION VIEW

Horn: Component ID:

COMPONENT ID
20 Ignition switch on centre console between the front seats.
21 ignition switch relay on main relay board in dashboard.
40 Horn, behind front grille.
41 Horn switch behind the steering wheel centre pad.
61 Windshield wiper switch, on right-hand side of steering column.
68 Horn relay, in engine bay on main relay board.
336 Slip-ring contact (coil spring) in steering wheel behind centre pad.
342A Main fuse board in the engine bay.
501 Main fuse board for maxi fuses behind the battery.

33-Pin Connector
H33-2 Black connector on bracket below the left-hand A pillar.

Grounding Points
G30 Grounding point, left-hand structural member behind the battery.
G33P Grounding point, connector bracket (Power) below left-hand A pillar.
G33S Grounding point, connector bracket (Signal) below left-hand A pillar.
G34P Grounding point, control module bracket (Power), below right-hand A pillar.
G34S Grounding point, control module bracket (Signal), below right-hand A pillar.

DESCRIPTION OF OPERATION
The signalling system includes a horn of loud-tone type. It is high-pitched.

Current is supplied to the horn switch on the steering wheel from ignition switch relay 21 via the coil in horn relay 58.

When the horn switch i closed the relay operates and current is supplied to horn 40 via fuse 1 and the relay contacts.

FAULT DIAGNOSIS HINTS
The horn is operative when the ignition switch is in the Drive position.
1. Check that fuse 1 is intact and supplied with current.
2. Check the operation of the horn by grounding it. The horn should then sound.
3. Check the connectors, wiring harness and ground connections.