Toyota Venza manuals

Toyota Venza: Fuel Sender Open Detected (B1500)

DESCRIPTION

This DTC is output when the combination meter assembly detects a fuel sender gauge malfunction via the direct line.

DTC No.

DTC Detection Condition

Trouble Area

B1500

When either of the following conditions is detected:

  • IG voltage is 9.5 V or more
  • Fuel sender gauge operation malfunction
  • Harness or connector
  • Combination meter assembly
  • Fuel sender gauge assembly

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 following menus: Body Electrical / Combination Meter / Data List.

(e) Check the values by referring to the table below.

Combination Meter

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Fuel Input

Fuel input signal/Min.: 0, Max.: 127.5

The 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

REPLACE COMBINATION METER ASSEMBLY


B

2.

INSPECT COMBINATION METER ASSEMBLY

(a) Disconnect the E2 connector.


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

Standard Resistance:

Tester Connection

Condition

Specified Condition

E2-9 (FR) - E2-23 (FE)

Always

6.5 to 187.2 Ω*1

E2-9 (FR) - E2-23 (FE)

Always

6.5 to 227.3 Ω*2

  • *1: for Fuel Sender Gauge Assembly (Main)
  • *2: for Fuel Sender Gauge Assembly (Sub)
Text in Illustration

*1

Front view of wire harness connector

(to Combination Meter Assembly)


OK

REPLACE COMBINATION METER ASSEMBLY


NG

3.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FUEL SENDER GAUGE ASSEMBLY)

(a) Disconnect the L12 connector.



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

Standard Resistance:

Tester Connection

Condition

Specified Condition

E2-9 (FR) - L12-2

Always

Below 1 Ω

E2-9 (FR) - Body ground

Always

10 kΩ or higher

E2-23 (FE) - M12-2

Always

Below 1 Ω

E2-23 (FE) - Body ground

Always

10 kΩ or higher

L12-3 - M12-1

Always

Below 1 Ω

M12-1 - Body ground

Always

10 kΩ or higher

Text in Illustration

*1

Front view of wire harness connector

(to Combination Meter Assembly)

*2

Front view of wire harness connector

(to Fuel Sender Gauge Assembly (Main))

*3

Front view of wire harness connector

(to Fuel Sender Gauge Assembly (Sub))


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

4.

INSPECT FUEL SENDER GAUGE ASSEMBLY

(a) Remove the fuel sender gauge assembly (See page (Main),
(Sub)).



(b) Check that the float moves smoothly between E and F.

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

Standard Resistance (Main):

Tester Connection

Condition

Specified Condition

1 - 2

Float level is F (upper)

6.5 to 8.5 Ω

1 - 2

Float level is between F (upper) and E (lower)

6.5 to 187.2 Ω (Gradually changes)

1 - 2

Float level is E (lower)

183.2 to 187.2 Ω

Standard Resistance (Sub):

Tester Connection

Condition

Specified Condition

1 - 2

Float level is F (upper)

6.5 to 8.5 Ω

1 - 2

Float level is between F (upper) and E (lower)

6.5 to 227.3 Ω (Gradually changes)

1 - 2

Float level is E (lower)

222.3 to 227.3 Ω

Text in Illustration

*1

Front view of wire harness connector

(to Fuel Sender Gauge Assembly (Main))

*2

Front view of wire harness connector

(to Fuel Sender Gauge Assembly (Sub))

Result

Proceed to

OK

A

NG (for 2GR-FE)

B

NG (for 1AR-FE)

C


B

REPLACE FUEL SENDER GAUGE ASSEMBLY (for 2GR-FE)


C

REPLACE FUEL SENDER GAUGE ASSEMBLY (for 1AR-FE)


A

5.

CHECK FUEL SENDER GAUGE ASSEMBLY

(a) Visually check for deformation on the fuel sender gauge assembly connector.

OK:

There is no deformation.

Result

Proceed to

OK

A

NG (for 2GR-FE)

B

NG (for 1AR-FE)

C


A

REPLACE COMBINATION METER ASSEMBLY


B

REPLACE FUEL SENDER GAUGE ASSEMBLY (for 2GR-FE)


C

REPLACE FUEL SENDER GAUGE ASSEMBLY (for 1AR-FE)

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