Fuel Gauge Malfunction: Procedure

1. Check DTC. 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 to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
5. According to the display on the Techstream, perform the Active Test.
   COMBINATION METER
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Fuel Meter Operation	Fuel gauge	EMPTY: Segment No. 1 flashes 1/2: Segments No. 1 to No. 3 illuminate FULL: Segments No. 1 to No. 6 illuminate	Vehicle is stopped and ignition switch ON

   OK

   Fuel receiver gauge segments are illuminated in accordance with the Techstream instructions.

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. 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 (upper)	161 to 169 Ω
   	Float level is E (lower)	405 to 415 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Fuel Sender Gauge Assembly)

3. Reinstall the fuel sender gauge assembly.

NG → See step   7 

OK: Go to next step 

1. Disconnect the D1 combination meter assembly connector.
2. Disconnect the L2 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
   D1-3 (L) - L2-1	Always	Below 1 Ω
   D1-3 (L) or L2-1 - Body ground	Always	10 kΩ or higher
   D1-8 (FUS-) - L2-2	Always	Below 1 Ω
   D1-8 (FUS-) or L2-2 - 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   8