Fuel Receiver Gauge Malfunction

METER: METER / GAUGE SYSTEM: Fuel Receiver Gauge Malfunction
- Fuel Receiver Gauge Malfunction

DESCRIPTION

* The meter CPU uses the fuel sender gauge assembly to determine the level of the fuel in the fuel tank. The resistance of the fuel sender gauge will vary between approximately 15 Ohms with the float at the full position, and 410 Ohms with the float at the empty position. The meter outputs battery voltage through two 820 Ohms resistors that are mounted in parallel inside the meter ECU. The meter CPU measures the voltage between the variable resistor in the fuel sender gauge and the two resistors mounted in parallel in the meter. Voltage measured at this point will vary as the float of the fuel sender gauge is moved. The highest voltage observed should be approximately half of battery voltage.

HINT
The fuel level warning light will come on when the fuel level is below 10.5 liters.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

(a) Check if CAN communication DTC is output Diagnosis System.

Result:





B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.

2. PERFORM ACTIVE TEST USING TECHSTREAM

(a) Connect Techstream to the DLC3.

(b) Ignition switch on (IG).

(c) Turn Techstream on.

(d) Enter following menus: Body Electrical / Combination Meter / Active Test.

(e) Check the operation by referring to the table below.

Combination Meter:





OK:

Needle indication is normal.

NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- Continue to next step.

3. READ VALUE USING TECHSTREAM

(a) Connect Techstream to the DLC3.

(b) Ignition switch on (IG).

(c) Turn Techstream on.

(d) Enter following menus: Body Electrical / Combination Meter / Data List.

(e) Check the values by referring to the table below.

Combination Meter:





OK:

Fuel value signal displayed on Techstream is almost the same as needle indication.

NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (COMBINATION METER - FUEL SENDER GAUGE ASSEMBLY)

(a) Disconnect the F2 and fuel sender gauge assembly connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. INSPECT FUEL SENDER GAUGE ASSEMBLY

(a) Disconnect the fuel sender gauge connector.





(b) Remove the fuel sender gauge assembly.

(c) Check that the float moves smoothly between F and E.

(d) Measure the resistance between the terminals 1 and 2 of connector according to the value(s) in the table below.

Standard resistance:





NG -- REPLACE FUEL SENDER GAUGE ASSEMBLY
OK -- Continue to next step.

6. REPLACE COMBINATION METER ASSEMBLY

(a) Replace the combination meter assembly to a new one or a normal one.

OK:

The operation of the combination meter assembly returns to normal.

NG -- REPLACE ECM

OK -- END