Seat Temperature Element

�bRElectrically Heated Front Seats:

WIRING DIAGRAM

Electrically Heated Front Seats:

COMPONENT LOCATION VIEW

Electrically Heated Front Seats: Component ID:

COMPONENT ID
16 Rheostat, lighting for instruments and controls, in switch assembly between steering wheel and driver's door.
22A Main fuse board in the dashboard.
64 Heating pad with thermostat, in the front seats.
252 Switch, electrically heated driver's seat, in switch assembly on the centre console.
253 Switch, electrically heated passenger seat, in switch assembly on the centre console.

8-Pin Connectors
H8-2 Under the left-hand seat.
H8-3 Under the right-hand seat.

33-Pin Connector
H33-1 Grey connector on the bracket below the left-hand A pillar.

Grounding Points
G14 Grounding point, left-hand front seat member, under the seat.
G24 Grounding point, right-hand front seat member, under the seat.
G34S Grounding point, control module bracket (Signal) below the right-hand A pillar.

DESCRIPTION OF OPERATION
Both front seats of the car are electrically heated.

The heating pads are supplied with current from fuse 20 in main fuse board 22A. They are turned on by means of switches 252 and 253.

Thermostats 64 then turn the heating pads on and off until the switch is depressed again.

Thermostat 64 closes at about +14°C and opens at about 28°C.

The heating pads in the seat are grounded to the corresponding front seat member (grounding points G14 and G24).

FAULT DIAGNOSIS HINTS
The heating pads will be operative when the ignition switch is in the Drive position.
1. Check that fuse 20 is intact and supplied with current.
2. Check the heating pads for continuity.
3. Check the connectors, wiring harness and ground connections.