Fuel Gauge Malfunction

METER: METER / GAUGE SYSTEM: Fuel Gauge Malfunction

Fuel Gauge Malfunction

DESCRIPTION

The combination meter assembly controls the fuel receiver gauge in accordance with the resistance of the fuel sender gauge that varies depending on the amount of fuel remaining in the fuel tank.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CONFIRM DTC OUTPUT
(a) Connect a Techstream to the DLC3.
(b) Turn the ignition switch on and turn the tester on.
(c) Check for DTCs and note any codes that are output Reading and Clearing Diagnostic Trouble Codes.
(d) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
(e) Recheck for DTC Reading and Clearing Diagnostic Trouble Codes.
Result:






B -- GO TO DTC B1500
A -- Continue to next step.
2. PERFORM ACTIVE TEST USING TECHSTREAM (FUEL METER)
(a) Connect a Techstream to the DLC3.
(b) Turn the ignition switch on and turn the tester on.
(c) Operate the Techstream according to the display and select "Active Test" Meter / Gauge System.
Body Electrical / Combination Meter / Active Test::






OK:
Needle indication is normal.
NG -- REPLACE COMBINATION METER ASSEMBLY
OK -- Continue to next step.
3. INSPECT FUEL SENDER GAGE ASSEMBLY





(a) Remove the fuel sender gauge assembly Removal.
(b) Check that the float moves smoothly between E and F.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:





(d) Reinstall the fuel sender gauge assembly.
NG -- REPLACE FUEL SENDER GAUGE ASSEMBLY
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FUEL SENDER GAUGE ASSEMBLY)





(a) Disconnect the F2 combination meter assembly connector.
(b) Disconnect the L7 fuel sender gauge assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:





(d) Reconnect the fuel sender gauge assembly connector.
(e) Reconnect the combination meter assembly connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
5. REPLACE COMBINATION METER ASSEMBLY
(a) Replace the combination meter assembly with a new or a normal one Removal.
OK:
The operation of the fuel receiver gauge returns to normal.
NG -- REPLACE FUEL SENDER GAUGE ASSEMBLY
OK -- END