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 tester, read the Data List.
   COMBINATION METER
   
   

   Item	Measurement Item/Range	Normal Condition	Diagnostic Note
   Fuel Input	Fuel sender gauge input Min.: 0 Max.: 127.5	Fuel sender input value	Unit: Liter

   OK

   Fuel input signal displayed on the tester is approximately the same as the fuel receiver gauge indication.

NG → See step   2 

OK → See step   11 

1. Remove the fuel sender gauge assembly. Refer to REMOVAL [03/2012 - ] .
2. Inspect the fuel sender gauge assembly. Refer to INSPECTION [03/2012 - ] .

NG → See step   10 

OK: Go to next step 

Fig 1: Inspecting Fuel Suction Tube Assembly With Pump And Gauge

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the fuel suction tube assembly with pump and gauge. Refer to REMOVAL [03/2012 - ] .
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connector	Condition	Specified Condition
   G7-1 (FS+) - 1	Always	Below 1 Ω
   G7-2 (FS-) - 2	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Fuel Suction Tube Assembly with Pump and Gauge)

NG → See step   12 

OK: Go to next step 

1. Remove the No. 2 fuel sender gauge assembly. Refer to REMOVAL [03/2012 - ] .
2. Inspect the No. 2 fuel sender gauge assembly. Refer to INSPECTION [03/2012 - ] .

NG → See step   13 

OK: Go to next step 

Fig 2: Inspecting Fuel Tank Return Tube Sub-Assembly

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the fuel tank return tube sub-assembly. Refer to REMOVAL [03/2012 - ] .
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connector	Condition	Specified Condition
   G6-1 (L) - 3	Always	Below 1 Ω
   G6-2 (FS+) - 2	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Fuel Tank Return Tube Sub-assembly)

NG → See step   14 

OK: Go to next step 

1. Disconnect the D7 combination meter assembly connector.
2. Disconnect the G7 fuel suction tube assembly with pump and gauge connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connector	Condition	Specified Condition
   D7-28 (FS-) - G7-2 (FS-)	Always	Below 1 Ω

   Standard Resistance (Check for Short)

   Tester Connector	Condition	Specified Condition
   D7-28 (FS-) or G7-2 (FS-) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the G7 fuel suction tube assembly with pump and gauge connector.
2. Disconnect the G6 fuel tank return tube sub-assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connector	Condition	Specified Condition
   D7-1 (FS+) - G6-2 (FS+)	Always	Below 1 Ω

   Standard Resistance (Check for Short)

   Tester Connector	Condition	Specified Condition
   D7-1 (FS+) or G6-2 (FS+) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the D7 combination meter assembly connector.
2. Disconnect the G6 fuel tank return tube sub-assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance (Check for Open)

   Tester Connector	Condition	Specified Condition
   D7-27 (L) - G6-1 (L)	Always	Below 1 Ω

   Standard Resistance (Check for Short)

   Tester Connector	Condition	Specified Condition
   D7-27 (L) or G6-1 (L) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   9