Fuel Gauge

Indicator Warning Lamps: Fuel Gauge:

WIRING DIAGRAM

Fuel Gauge: Component Location:

COMPONENT LOCATION VIEW

Fuel Gauge: Component ID:

COMPONENT ID
16 Rheostat, lighting for controls, on dashboard between the steering wheel and driver's door.
23 Relay, direction indicators, in main fuse box behind the glove box.
46 Fuel level sensor, in fuel tank under the luggage compartment floor.

In The Main Instrument Display Panel
18 Lighting for instruments.
47A Fuel gauge
47B Indicator lamp for low fuel level.
47C Coolant temperature gauge.
47I Indicator lamp, right-hand direction indicators.
110 Tachometer (rev counter).
210 EDU trip computer in the main instrument display panel.
289 Anti-theft alarm control module, under dashboard on the right-hand side behind the knee shield.

4-Pin Connector
H4-4 Beside the fuel pump under the luggage compartment floor.

Grounding Points
G8 Grounding point, dashboard, by the left-hand front loudspeaker socket.

DESCRIPTION OF OPERATION
Fuel Level Sensor 46
The fuel level sensor is integrated into the fuel pump.

Fuel Gauge 47A
When the ignition switch is in the Drive position, 12 V is supplied to pin 2 of the temperature instrument from pin 22 of EDU 210. Fuel level sensor 46 is connected to the EDU which, after processing the information, sends a 1-9 V signal to pin 1 of the tank/temperature unit.
1 V = tank empty
9 V = tank full.

Temperature gauge 47C, fuel gauge 47A, instrument lighting lamps 18, and indicator lamp 47I are connected to ground via pin 5.

Instrument Lighting 18
Backlighting of the instruments is controlled by rheostat 16 (lighting for controls) via pin 6.

Indicator Lamp 47I
The indicator lamp for the right-hand direction indicators is controlled by flasher relay 23 via pin 4.

Pilot Lamp 47B
Fuel warning lamp 47B is controlled by EDU 210. When the fuel level in the tank drops below 10I, the lamp is grounded via pin 3.

FAULT DIAGNOSIS HINTS
Fuel Gauge
The fuel gauge is activated when the ignition switch is turned to the Drive position.
1. Check that current is supplied to pin 2.
2. Check that current is supplied to pin 22 of EDU 210.
3. Check that 1-9 V is applied to pin 1.
4. Check the connectors, wiring harness and ground connections.

Fuel Warning Lamp
The fuel warning lamp lights up for 4 seconds when the ignition switch is turned to the Drive position, provided that there is more than 10 liters of fuel in the tank.