METER / GAUGE SYSTEM Fuel Gauge Malfunction

DESCRIPTION

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

WIRING DIAGRAM

PROCEDURE

1. CONFIRM DTC OUTPUT

   
   

   1. Check DTC Click here.

      Result

      Result	Proceed to
      DTC B1500 is not output	A
      DTC B1500 is output	B

   
   

   B

   GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

   A

2. PERFORM ACTIVE TEST USING GTS (FUEL METER OPERATION)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the GTS on.

   4. Enter the following menus: Body Electrical / Combination Meter / Active Test.

   5. Check the operation by referring to the table below.

      Combination Meter

      Tester Display	Test part	Control Range	Diagnostic Note
      Fuel Meter Operation	Fuel gauge	Sender E, Empty, Warning 1/4, 1/2, 3/4, Full, Sender F	-

      OK
      Fuel receiver gauge indication is normal.

   
   

   NG

   REPLACE COMBINATION METER ASSEMBLY Click here

   OK

3. INSPECT FUEL SENDER GAUGE ASSEMBLY

   
   

   1. Remove the fuel sender gauge assembly.

      
      

      • for 1NR-FE Click here

      • for 1NZ-FE Click here

      • for 1ND-TV Click here

   2. Inspect the fuel sender gauge assembly.

      
      

      • for 1NR-FE Click here

      • for 1NZ-FE Click here

      • for 1ND-TV Click here

      Result

      Result	Proceed to
      OK	A
      NG (for 1NR-FE)	B
      NG (for 1NZ-FE)	C
      NG (for 1ND-TV)	D

   3. Reinstall the fuel sender gauge assembly.

   
   

   B

   REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

   C

   REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

   D

   REPLACE FUEL SENDER GAUGE ASSEMBLY Click here

   A

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

   
   

   1. Disconnect the F1 combination meter assembly connector.

   2. Disconnect the K17 fuel sender gauge assembly connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition F1-16(L) - K17-2(FS) Always Below 1 Ω F1-15(E) - K17-3(FE) Always Below 1 Ω F1-21(ET) - Body ground Always Below 1 Ω

      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition F1-16(L) - Body ground Always 10 kΩ or higher F1-15(E) - Body ground Always 10 kΩ or higher

   
   

   OK

   REPLACE COMBINATION METER ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR