Meter Gauge Display. Dtc B1500 Fuel Sender Open Detected

DTC Code	DTC Detection Condition	Trouble Area
B1500	Both conditions are met: The voltage at the IG power supply terminal of the combination meter assembly is between 9.5 and 11.5 V. Average input signal of fuel sender gauge is 630 Ω or more 3 times consecutively.	Harness or connector Combination meter assembly Fuel suction with pump and gauge tube assembly Fuel tank vent tube assembly Fuel sender gauge assembly

WIRING DIAGRAM

Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Meter Gauge Display.Meter / Gauge System.
Dtc
B1500 Fuel Sender Open Detected

INSPECTION PROCEDURE

CAUTION:

Be careful of flames.

1.READ VALUE USING GTS (FUEL INPUT)

Using the GTS, read the Data List (LandCruiser RM0000012G70JTX.html).

Combination Meter
Tester Display
Measurement Item/Range
Normal Condition
Diagnostic Note
Fuel Input
Fuel input/Min.: 0, Max.: 127.5
Current fuel level displayed
Unit: L
OK:
Fuel amount value displayed on the GTS is almost the same as the needle indication.

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

Go to step 2

REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

2.CHECK VEHICLE TYPE

Check the vehicle type.
Result
Result
Proceed to
for 5 Door, Single Tank Type
A
for 5 Door, Double Tank Type
B
for 3 Door
C

Go to step 8

Go to step 13

A

3.CHECK HARNESS AND CONNECTOR (FUEL GAUGE CIRCUIT)

Disconnect the G6 combination meter assembly connector.

Disconnect the S5 fuel suction with pump and gauge tube assembly*1 or fuel tank vent tube assembly*2 connector.
1. *1: for 1GR-FE, 2TR-FE
2. *2: for 1KD-FTV, 1GD-FTV, 5L-E

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
G6-9 (L) - S5-2	Always	Below 1 Ω
G6-24 (E) - S5-3	Always	Below 1 Ω
G6-21 (E2) - Body ground	Always	Below 1 Ω
G6-9 (L) or S5-2 - Body ground	Always	10 kΩ or higher
G6-24 (E) or S5-3 - Body ground	Always	10 kΩ or higher

Result
Result	Proceed to
OK (for 1GR-FE, 2TR-FE)	A
OK (for 1KD-FTV, 1GD-FTV, 5L-E)	B
NG	C

Go to step 6

REPAIR OR REPLACE HARNESS OR CONNECTOR

A

4.INSPECT FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY

Remove the fuel suction with pump and gauge tube assembly.
1. for 1GR-FE: LandCruiser RM0000045LU00XX.html
2. for 2TR-FE: LandCruiser RM0000045MB00UX.html

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
A-2 - B-1
Always
Below 1 Ω
A-3 - B-2
Always
Below 1 Ω
Text in Illustration
*a
Component without harness connected
(Fuel Suction With Pump and Gauge Tube Assembly)
*b
Lower side
(to Fuel Sender Gauge Assembly)
*c
Connector A
*d
Connector B
Result
Result
Proceed to
OK
A
NG (for 1GR-FE)
B
NG (for 2TR-FE)
C

Text in Illustration
*a	Component without harness connected (Fuel Suction With Pump and Gauge Tube Assembly)
*b	Lower side (to Fuel Sender Gauge Assembly)
*c	Connector A
*d	Connector B

REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (LandCruiser RM0000045LU00XX.html)

REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (LandCruiser RM0000045MB00UX.html)

A

5.INSPECT FUEL SENDER GAUGE ASSEMBLY

Remove the fuel sender gauge assembly.
1. for 1GR-FE: LandCruiser RM0000045LU00XX.html
2. for 2TR-FE: LandCruiser RM0000045MB00UX.html

Inspect the fuel sender gauge assembly.
1. for 1GR-FE: LandCruiser RM0000045LS00TX.html
2. for 2TR-FE: LandCruiser RM0000045M900PX.html
Result
Result
Proceed to
OK
A
NG (for 1GR-FE)
B
NG (for 2TR-FE)
C

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045LU00XX.html)

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045MB00UX.html)

REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

6.INSPECT FUEL TANK VENT TUBE ASSEMBLY

Remove the fuel tank vent tube assembly.
1. for 1KD-FTV: LandCruiser RM0000045GP00ZX.html
2. for 1GD-FTV: LandCruiser RM0000045GP010X.html
3. for 5L-E: LandCruiser RM0000045K4009X.html

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
A-2 - B-1
Always
Below 1 Ω
A-3 - B-2
Always
Below 1 Ω
Text in Illustration
*a
Component without harness connected
(Fuel Tank Vent Tube Assembly)
*b
Lower side
(to Fuel Sender Gauge Assembly)
*c
Connector A
*d
Connector B
Result
Result
Proceed to
OK
A
NG (for 1KD-FTV)
B
NG (for 1GD-FTV)
C
NG (for 5L-E)
D

Text in Illustration
*a	Component without harness connected (Fuel Tank Vent Tube Assembly)
*b	Lower side (to Fuel Sender Gauge Assembly)
*c	Connector A
*d	Connector B

REPLACE FUEL TANK VENT TUBE ASSEMBLY (LandCruiser RM0000045GP00ZX.html)

REPLACE FUEL TANK VENT TUBE ASSEMBLY (LandCruiser RM0000045GP010X.html)

REPLACE FUEL TANK VENT TUBE ASSEMBLY (LandCruiser RM0000045K4009X.html)

A

7.INSPECT FUEL SENDER GAUGE ASSEMBLY

Remove the fuel sender gauge assembly.
1. for 1KD-FTV: LandCruiser RM0000045GP00ZX.html
2. for 1GD-FTV: LandCruiser RM0000045GP010X.html
3. for 5L-E: LandCruiser RM0000045GN00NX.html

Inspect the fuel sender gauge assembly.
1. for 1KD-FTV: LandCruiser RM0000045K4009X.html
2. for 1GD-FTV: LandCruiser RM0000045GN00OX.html
3. for 5L-E: LandCruiser RM0000045K2006X.html
Result
Result
Proceed to
OK
A
NG (for 1KD-FTV)
B
NG (for 1GD-FTV)
C
NG (for 5L-E)
D

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045GP00ZX.html)

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045GP010X.html)

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045K4009X.html)

REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

8.CHECK HARNESS AND CONNECTOR (FUEL GAUGE CIRCUIT)

Disconnect the G6 combination meter assembly connector.

Disconnect the S5 fuel suction with pump and gauge tube assembly*1 or fuel tank vent tube assembly*2 connector.
1. *1: except 5L-E
2. *2: for 5L-E

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
G6-9 (L) - S5-2	Always	Below 1 Ω
G6-24 (E) - S5-3	Always	Below 1 Ω
G6-21 (E2) - Body ground	Always	Below 1 Ω
G6-9 (L) or S5-2 - Body ground	Always	10 kΩ or higher
G6-24 (E) or S5-3 - Body ground	Always	10 kΩ or higher

Result
Result	Proceed to
OK (except 5L-E)	A
OK (for 5L-E)	B
NG	C

Go to step 11

REPAIR OR REPLACE HARNESS OR CONNECTOR

A

9.INSPECT FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY

Remove the fuel suction with pump and gauge tube assembly.
1. for 1GR-FE: LandCruiser RM0000045M200BX.html
2. for 2TR-FE: LandCruiser RM0000045MF00AX.html
3. for 1KD-FTV: LandCruiser RM0000045GL009X.html
4. for 1GD-FTV: LandCruiser RM0000045GL00AX.html

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
A-3 - B-1
Always
Below 1 Ω
A-1 - B-2
Always
Below 1 Ω
Text in Illustration
*a
Component without harness connected
(Fuel Suction With Pump and Gauge Tube Assembly)
*b
Lower side
(to Fuel Sender Gauge Assembly)
*c
Connector A
*d
Connector B
Result
Result
Proceed to
OK
A
NG (for 1GR-FE)
B
NG (for 2TR-FE)
C
NG (for 1KD-FTV)
D
NG (for 1GD-FTV)
E

REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (LandCruiser RM0000045M200BX.html)

REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (LandCruiser RM0000045MF00AX.html)

REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (LandCruiser RM0000045GL009X.html)

REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (LandCruiser RM0000045GL00AX.html)

A

10.INSPECT FUEL SENDER GAUGE ASSEMBLY

Remove the fuel sender gauge assembly.
1. for 1GR-FE: LandCruiser RM0000045M200BX.html
2. for 2TR-FE: LandCruiser RM0000045MF00AX.html
3. for 1KD-FTV: LandCruiser RM0000045GL009X.html
4. for 1GD-FTV: LandCruiser RM0000045GL00AX.html

Inspect the fuel sender gauge assembly.
1. for 1GR-FE: LandCruiser RM0000045M0008X.html
2. for 2TR-FE: LandCruiser RM0000045MD008X.html
3. for 1KD-FTV: LandCruiser RM0000045GJ006X.html
4. for 1GD-FTV: LandCruiser RM0000045GJ007X.html
Result
Result
Proceed to
OK
A
NG (for 1GR-FE)
B
NG (for 2TR-FE)
C
NG (for 1KD-FTV)
D
NG (for 1GD-FTV)
E

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045M200BX.html)

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045MF00AX.html)

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045GL009X.html)

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045GL00AX.html)

REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

11.INSPECT FUEL TANK VENT TUBE ASSEMBLY

Remove the fuel tank vent tube assembly (LandCruiser RM0000045K4009X.html).

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
A-2 (FS) - B-2
Always
Below 1 Ω
A-3 (FE) - B-1
Always
Below 1 Ω
Text in Illustration
*a
Component without harness connected
(Fuel Tank Vent Tube Assembly)
*b
Lower side
(to Fuel Sender Gauge Assembly)
*c
Connector A
*d
Connector B

REPLACE FUEL TANK VENT TUBE ASSEMBLY (LandCruiser RM0000045K4009X.html)

OK

12.INSPECT FUEL SENDER GAUGE ASSEMBLY

Remove the fuel sender gauge assembly (LandCruiser RM0000045K4009X.html).

Inspect the fuel sender gauge assembly (LandCruiser RM0000045K2006X.html).

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045K4009X.html)

REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

13.CHECK HARNESS AND CONNECTOR (FUEL GAUGE CIRCUIT)

Disconnect the G6 combination meter assembly connector.

Disconnect the R40 fuel suction with pump and gauge tube assembly*1 or fuel tank vent tube assembly*2 connector.
1. *1: for 2TR-FE
2. *2: for 1KD-FTV, 1GD-FTV

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
G6-9 (L) - R40-3	Always	Below 1 Ω
G6-24 (E) - R40-1	Always	Below 1 Ω
G6-21 (E2) - Body ground	Always	Below 1 Ω
G6-9 (L) or R40-3 - Body ground	Always	10 kΩ or higher
G6-24 (E) or R40-1 - Body ground	Always	10 kΩ or higher

Result
Result	Proceed to
OK (for 2TR-FE)	A
OK (for 1KD-FTV, 1GD-FTV)	B
NG	C

Go to step 16

REPAIR OR REPLACE HARNESS OR CONNECTOR

A

14.INSPECT FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY

Remove the fuel suction with pump and gauge tube assembly (LandCruiser RM0000045MB00UX.html).

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
A-2 (FS) - B-2
Always
Below 1 Ω
A-3 (FE) - B-1
Always
Below 1 Ω
Text in Illustration
*a
Component without harness connected
(Fuel Suction with Pump and Gauge Tube Assembly)
*b
Lower side
(to Fuel Sender Gauge Assembly)
*c
Connector A
*d
Connector B

REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (LandCruiser RM0000045MB00UX.html)

OK

15.INSPECT FUEL SENDER GAUGE ASSEMBLY

Remove the fuel sender gauge assembly (LandCruiser RM0000045MB00UX.html).

Inspect the fuel sender gauge assembly (LandCruiser RM0000045M900PX.html).

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045MB00UX.html)

REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

16.INSPECT FUEL TANK VENT TUBE ASSEMBLY

Remove the fuel tank vent tube assembly.
1. for 1KD-FTV: LandCruiser RM0000045GP00ZX.html
2. for 1GD-FTV: LandCruiser RM0000045GP010X.html

Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
A-2 (FS) - B-2
Always
Below 1 Ω
A-3 (FE) - B-1
Always
Below 1 Ω
Text in Illustration
*a
Component without harness connected
(Fuel Tank Vent Tube Assembly)
*b
Lower side
(to Fuel Sender Gauge Assembly)
*c
Connector A
*d
Connector B
Result
Result
Proceed to
OK
A
NG (for 1KD-FTV)
B
NG (for 1GD-FTV)
C

REPLACE FUEL TANK VENT TUBE ASSEMBLY (LandCruiser RM0000045GP00ZX.html)

REPLACE FUEL TANK VENT TUBE ASSEMBLY (LandCruiser RM0000045GP010X.html)

A

17.INSPECT FUEL SENDER GAUGE ASSEMBLY

Remove the fuel sender gauge assembly.
1. for 1KD-FTV: LandCruiser RM0000045GP00ZX.html
2. for 1GD-FTV: LandCruiser RM0000045GP010X.html

Inspect the fuel sender gauge assembly.
1. for 1KD-FTV: LandCruiser RM0000045GN00NX.html
2. for 1GD-FTV: LandCruiser RM0000045GN00OX.html
Result
Result
Proceed to
OK
A
NG (for 1KD-FTV)
B
NG (for 1GD-FTV)
C

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045GP00ZX.html)

REPLACE FUEL SENDER GAUGE ASSEMBLY (LandCruiser RM0000045GP010X.html)

REPLACE COMBINATION METER ASSEMBLY (LandCruiser RM000003QKY01CX.html)

Result	Proceed to
for 5 Door, Single Tank Type	A
for 5 Door, Double Tank Type	B
for 3 Door	C

Result	Proceed to
OK	A
NG (for 1KD-FTV)	B
NG (for 1GD-FTV)	C
NG (for 5L-E)	D

Result	Proceed to
OK	A
NG (for 1GR-FE)	B
NG (for 2TR-FE)	C
NG (for 1KD-FTV)	D
NG (for 1GD-FTV)	E