Toyota Tacoma (2015-2018) Service Manual: Fuel Sender Open Detected (B1500)
DESCRIPTION
This DTC is output when the combination meter assembly detects a fuel sender gauge assembly malfunction.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1500 |
When either of the following conditions is detected:
|
|
WIRING DIAGRAM
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM (FUEL INPUT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) 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 |
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 |
| A | .gif) |
REPLACE COMBINATION METER ASSEMBLY |
|
.gif)
|
2. |
INSPECT FUEL SENDER GAUGE ASSEMBLY |
|
(a) Disconnect the combination meter assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C9-21 (L) - C9-23 (E3) |
Always |
13.5 to 414.5 Ω |
|
*a |
Front view of wire harness connector (to Combination Meter Assembly) |
| OK | |
REPLACE COMBINATION METER ASSEMBLY |
|
|
3. |
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY) |
(a) Disconnect the C9 combination meter assembly connector.
(b) Disconnect the F19 (for 2TR-FE) or F44 (2GR-FKS) fuel suction with pump and gauge tube assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (for 2TR-FE):
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C9-21 (L) - F19-2 |
Always |
Below 1 Ω |
|
C9-21 (L) or F19-2 - Body ground |
Always |
10 kΩ or higher |
|
C9-23 (E3) - F19-3 |
Always |
Below 1 Ω |
|
C9-23 (E3) or F19-3 - Body ground |
Always |
10 kΩ or higher |
Standard Resistance (for 2GR-FKS):
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C9-21 (L) - F44-2 |
Always |
Below 1 Ω |
|
C9-21 (L) or F44-2 - Body ground |
Always |
10 kΩ or higher |
|
C9-23 (E3) - F44-3 |
Always |
Below 1 Ω |
|
C9-23 (E3) or F44-3 - Body ground |
Always |
10 kΩ or higher |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
INSPECT FUEL SENDER GAUGE ASSEMBLY |
(a) Remove the fuel sender gauge assembly.
- for 2TR-FE: (See page
.gif)
) - for 2GR-FKS: (See page )
(b) Inspect the fuel sender gauge assembly.
Text in Illustration
|
*a |
Component without harness connected (Fuel Sender Gauge Assembly) |
- |
- |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for: 2TR-FE|
Tester Connection |
Float Level |
Float Position (mm (in.)) |
Specified Condition |
|---|---|---|---|
|
1 - 2 |
F |
181.9 to 193.9 (7.161 to 7.633) |
3.0 to 5.0 Ω |
|
1/2 |
90.9 to 102.9 (3.578 to 4.051) |
55.6 to 62.4 Ω |
|
|
E |
0 (0) |
109.0 to 111.0 Ω |
|
Tester Connection |
Float Level |
Float Position (mm (in.)) |
Specified Condition |
|---|---|---|---|
|
1 - 2 |
F |
181.9 to 193.9 (7.161 to 7.633) |
13.5 to 16.5 Ω |
|
1/2 |
90.9 to 102.9 (3.578 to 4.051) |
201.0 to 224.0 Ω |
|
|
E |
0 (0) |
405.5 to 414.5 Ω |
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (for 2TR-FE) |
B |
|
NG (for 2GR-FKS) |
C |
| B | |
REPLACE FUEL SENDER GAUGE ASSEMBLY (for 2TR-FE) |
| C | |
REPLACE FUEL SENDER GAUGE ASSEMBLY (for 2GR-FKS) |
|
|
5. |
INSPECT FUEL SUCTION PUMP AND GAUGE TUBE ASSEMBLY |
|
(a) Remove the fuel suction pump and gauge tube assembly.
|
|
(b) 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 |
|
*a |
Component without harness connected (Fuel Suction with Pump and Gauge Tube Assembly) |
|
Result |
Proceed to |
|---|---|
|
OK |
A |
|
NG (for 2TR-FE) |
B |
|
NG (for 2GR-FKS) |
C |
| A | |
REPLACE COMBINATION METER ASSEMBLY |
| B | |
REPLACE FUEL SUCTION WITH PUMP AND GAUGE TUBE ASSEMBLY (for 2TR-FE) |
| C | |
REPLACE FUEL SUCTION W/PUMP & GAUGE TUBE ASSEMBLY (for 2GR-FKS) |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
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Symptom
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