DTC B1501: Sub Fuel Sender Open Detected [01/2017 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Combination Meter > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Fuel Input	Fuel input	Min.: 0 L, Max.: 127.5 L	Fuel receiver gauge indicates F: 75.6 L Fuel receiver gauge indicates 3/4: 63.0 L Fuel receiver gauge indicates 1/2: 42.0 L Fuel receiver gauge indicates 1/4: 21.0 L Fuel receiver gauge indicates E: 8.4 L	Unit: Liter

   Body Electrical > Combination Meter > Data List 

   Tester Display
   Fuel Input

   Result

   Result	Proceed to
   Fuel level data can be displayed on the Techstream	A
   Fuel level data cannot be displayed on the Techstream	B

Result: 

A 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [01/2017 - ] 

Result: 

B 

See step  2

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   P25-18 (FV) - Body ground	Power switch on (IG)	4.5 to 5.5 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [01/2017 - ] 

Result: 

OK 

See step  3

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   P25-27 (FR) - P25-28 (FE)	Power switch on (IG)	0.2 to 4.7 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [01/2017 - ] 

Result: 

NG 

See step  4

1. Disconnect the X32 No. 2 fuel sender gauge assembly connector.
2. Disconnect the P25 combination meter assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   X32-3 (FR2) - P25-27 (FR)	Always	Below 1 Ω
   X32-2 (FE2) - P25-28 (FE)	Always	Below 1 Ω
   X32-1 (FV2) - P25-18 (FV)	Always	Below 1 Ω
   P25-27 (FR) - Other terminals and body ground	Always	10 kΩ or higher
   P25-28 (FE) - Other terminals and body ground	Always	10 kΩ or higher
   P25-18 (FV) - Other terminals and body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  5

1. Remove the No. 2 fuel sender gauge assembly.

   Refer to REMOVAL [01/2017 - 05/2023] , or refer to REMOVAL [05/2023 - ]

2. Inspect the No. 2 fuel sender gauge assembly.

   Refer to INSPECTION [01/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [01/2017 - ] 

Result: 

NG 

REPLACE NO. 2 FUEL SENDER GAUGE ASSEMBLY. Refer to  REMOVAL [01/2017 - 05/2023]  , or refer to  REMOVAL [05/2023 - ]