Toyota Venza: Fuel Sender Open Detected (B1500)

Toyota Venza Service Manual / Meter / Gauge / Display / Meter / Gauge System / 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.

(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

REPLACE COMBINATION METER ASSEMBLY

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)

REPLACE COMBINATION METER ASSEMBLY

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

Front view of wire harness connector

(to Combination Meter Assembly)

Front view of wire harness connector

(to Fuel Sender Gauge Assembly (Main))

Front view of wire harness connector

(to Fuel Sender Gauge Assembly (Sub))

REPAIR OR REPLACE HARNESS OR CONNECTOR

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.

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

Front view of wire harness connector

(to Fuel Sender Gauge Assembly (Main))

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

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

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

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

REPLACE COMBINATION METER ASSEMBLY

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

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

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