Fuel Gauge Malfunction: Procedure

1. Check DTCs. Refer to DTC CHECK / CLEAR .

   Result

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

B → See step   5 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch on (IG) 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	Diagnostic Note
   Fuel Meter Operation	Fuel gauge	EMPTY / 1/2 / FULL	Vehicle is stopped and ignition switch ON

   OK

   Fuel receiver gauge indication is normal.

NG → See step   6 

OK: Go 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 position is between E and F.
3. Measure the resistance according to the value(s) in the table below.
   Fig 2: Identifying Fuel Sender Gauge Assembly Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Tester Connection	Condition	Specified Condition
   1-2	Float level is F	13.5 to 16.5 Ω
   1-2	Float level is 1/2	195.3 to 221.3 Ω
   1-2	Float level is E	405.5 to 414.5 Ω

4. Reinstall the fuel sender gauge assembly.

NG → See step   7 

OK: Go to next step 

1. Disconnect the C37 combination meter assembly connector.
   Fig 3: Checking Harness And Connector (Combination Meter - Fuel Sender Gauge)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the H13 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
   C37-17 (L) - H13-2	Always	Below 1 Ω
   C37-22 (E) - H13-3	Always	Below 1 Ω
   C37-24 (ET) - Body ground	Always	Below 1 Ω
   C37-17 (L) or H13-2 - Body ground	Always	10 kΩ or higher
   C37-22 (E) or H13-3 - Body ground	Always	10 kΩ or higher

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   6