Toyota CH-R Service Manual: Fuel Sender Open Detected (B1500)

Toyota CH-R Service Manual / Meter / Gauge / Display / Meter / Gauge System / Fuel Sender Open Detected (B1500)

DESCRIPTION

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Memory
B1500	Fuel Sender Open Detected	When IG voltage is 9.5 V or more and the following condition is detected: Average input signal of fuel sender gauge assembly is 630 Ω or more 3 times consecutively	Harness or connector Fuel suction tube with pump and gauge assembly Fuel sender gauge assembly Combination meter assembly	-

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

PROCEDURE

1.	READ VALUE USING TECHSTREAM (FUEL INPUT)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch ON.

(d) Enter the following menus: Body Electrical / Combination Meter / Data List.

(e) 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: 45.0 L Fuel receiver gauge indicates 3/4: 35.4 L Fuel receiver gauge indicates 1/2: 25.0 L Fuel receiver gauge indicates 1/4: 14.6 L Fuel receiver gauge indicates E: 5.0 L	-

Body Electrical > Combination Meter > Data List

Tester Display
Fuel Input

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

REPLACE COMBINATION METER ASSEMBLY

2.	INSPECT FUEL SENDER GAUGE ASSEMBLY (POWER SOURCE)

*a	Component with harness connected (Combination Meter Assembly)

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
F4-16 (FV) - Body ground	Ignition switch ON	4.5 to 5.5 V

REPLACE COMBINATION METER ASSEMBLY

3.	INSPECT FUEL SENDER GAUGE ASSEMBLY

*a	Component with harness connected (Combination Meter Assembly)

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

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
F4-23 (FR) - F4-15 (FE&B)	Ignition switch ON	0.2 to 4.7 V

REPLACE COMBINATION METER ASSEMBLY

4.	CHECK HARNESS AND CONNECTOR (FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY - COMBINATION METER ASSEMBLY)

(a) Disconnect the M14 fuel suction tube with pump and gauge assembly connector.

(b) Disconnect the F4 combination meter assembly connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
M14-3 (FR) - F4-23 (FR)	Always	Below 1 Ω
M14-2 (FE) - F4-15 (FE&B)	Always	Below 1 Ω
M14-1 (FV) - F4-16 (FV)	Always	Below 1 Ω
F4-23 (FR) - Body ground	Always	10 kΩ or higher
F4-15 (FE&B) - Body ground	Always	10 kΩ or higher
F4-16 (FV) - Body ground	Always	10 kΩ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.	INSPECT FUEL SENDER GAUGE ASSEMBLY

(a) Remove the fuel sender gauge assembly.

Click here

(b) Inspect the fuel sender gauge assembly.

Click here

REPLACE FUEL SENDER GAUGE ASSEMBLY

6.	INSPECT FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY

*a	Component without harness connected (Fuel Suction Tube with Pump and Gauge Assembly)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
M14-1 (FV) - A-3	Always	Below 1 Ω
M14-2 (FE) - A-2	Always	Below 1 Ω
M14-3 (FR) - A-1	Always	Below 1 Ω

Result	Proceed to
OK	A
NG (w/o Canister Pump Module)	B
NG (w/ Canister Pump Module)	C

REPLACE COMBINATION METER ASSEMBLY

REPLACE FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY

Diagnostic Trouble Code Chart

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