Fuel Gauge Malfunction: Procedure

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch on and turn the tester on.
3. Check for DTCs and note any codes that are output. Refer to DTC CHECK / CLEAR .
4. Clear the DTC. Refer to DTC CHECK / CLEAR .
5. Recheck for DTC. Refer to DTC CHECK / CLEAR .

   Result

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

B → Refer to step   6 

A: Refer to next step 

1. Connect a Techstream to the DLC3.
2. Turn the ignition switch on and turn the tester on.
3. Operate the Techstream according to the display and select "Active Test". Refer to DATA LIST / ACTIVE TEST .

   Body Electrical / Combination Meter / Active Test:

   Tester Display	Test Part	Control Range
   Fuel Meter Operation	EMPTY / 1/2 / FULL	Value selected during Active Test is displayed

   OK

   Needle indication is normal.

NG → Refer to step   7 

OK: Refer to next step 

1. Remove the fuel sender gauge assembly. Refer to REMOVAL .
   Fig 1: Inspecting Fuel Sender Gauge Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check that the float moves smoothly between E and F.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   1-2	Float level is F	12 to 18 Ω
   1-2	Float level is E	405 to 415 Ω

4. Reinstall the fuel sender gauge assembly.

NG → Refer to step   8 

OK: Refer to next step 

1. Disconnect the F2 combination meter assembly connector.
   Fig 2: Identifying F2 Combination Meter Assembly Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the L7 fuel sender gauge assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   F2-9 (L) - L7-2 (FS)	Always	Below 1 Ω
   F2-9 (L) or L7-2 (FS) - Body ground	Always	10 kΩ or higher
   L7-3 (FE) - Body ground	Always	Below 1 Ω

4. Reconnect the fuel sender gauge assembly connector.
5. Reconnect the combination meter assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Refer to next step 

1. Replace the combination meter assembly with a new or a normal one. Refer to REMOVAL .

   OK

   The operation of the fuel receiver gauge returns to normal.

NG → Refer to step   9 

OK → END