DTC B1500: Fuel Sender Open Detected: Procedure

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 / Data List.
5. According to the display on the Techstream, read the Data List.
   COMBINATION METER
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Fuel Input	Fuel input signal/ Min.: 0, Max.: 127.5	Current fuel level displayed	Unit: Liter

   RESULT
   
   

   Result	Proceed to
   Fuel level data can be displayed on the Techstream and DTC B1500 is output.	A
   Fuel level data cannot be displayed on the Techstream.	B

B → See step   2 

A → See step   6 

1. Disconnect the D18 combination meter assembly connector.
   Fig 1: Inspecting D18 Combination Meter 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
   D18-27 (FR) - D18-17 (FE)	Always	13.5 to 414.5 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Combination Meter Assembly)

NG → See step   3 

OK → See step   6 

1. Disconnect the D18 combination meter assembly connector.
2. Disconnect the g2 fuel suction with pump and gauge tube assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D18-27 (FR) - g2-2	Always	Below 1 Ω
   D18-27 (FR) or g2-2 - Body ground	Always	10 kΩ or higher
   D18-17 (FE) - g2-3	Always	Below 1 Ω
   D18-17 (FE) or g2-3 - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 2: Inspecting Fuel Sender Gauge Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the fuel sender gauge assembly. Refer to 2GR-FE - REMOVAL or 1AR-FE - REMOVAL .
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	Float Level	Float Position (mm (in.))	Specified Condition
   1 - 2	F	114.2 (4.496)	13.5 to 16.5 Ω
   	1/2	66.1 (2.602)	202 to 223 Ω
   	E	0 (0)	405.5 to 414.5 Ω

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (for 2GR-FE)	B
   NG (for 1AR-FE)	C

B → See step   7 

C → See step   9 

A: Go to next step 

1. Remove the fuel suction pump and gauge tube assembly. Refer to 2GR-FE - REMOVAL or 1AR-FE - REMOVAL .
   Fig 3: Checking Fuel Suction Pump And Gauge Tube Assembly & Connector End View

   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
   A-2 - B-2	Always	Below 1 Ω
   A-3 - B-1

   TEXT IN ILLUSTRATION
   
   

   *a	Upper Side
   *b	Lower Side (to Fuel Sender Gauge Assembly)
   *c	Connector A
   *d	Connector B

   RESULT
   
   

   Result	Proceed to
   OK	A
   NG (for 2GR-FE)	B
   NG (for 1AR-FE)	C

B → See step   8 

C → See step   10 

A → See step   6