Toyota Tundra. Manual — part 421

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code.

Meter/gauge system:

DIAGNOSTIC TROUBLE CODE CHART

DTC B1500 FUEL SENDER OPEN DETECTED

DESCRIPTION

This DTC is output when the combination meter detects the fuel sender gauge malfunction via the CAN.

DTC B1500 FUEL SENDER DETECTION CONDITION REFERENCE

WIRING DIAGRAM

ACTIVE TEST.



The displayed value has the same units (km/ h, mph) as the main scale of the vehicle's
speedometer.



The needle position should be within the acceptable tolerance.

*2: If this Active Test is being performed and the ignition switch is turned OFF and then
ON, the A/T and ODO/TRIP display area's background may turn white. If this occurs, end
this Active Test and turn the ignition switch OFF.
*3: w/ Multi-information display
*4: for 1GR-FE, 2UZ-FE
*5: for 3UR-FE

DTC Code

Detection Item

Trouble Area

B1500

Fuel Sender Open Detected



Harness or connector



Combination meter



Fuel sender gauge

U0100

Lost Communication with ECM/
PCM "A"

CAN communication system

U0129

Lost Communication with Brake
System Control Module

CAN communication system

DTC Code

DTC Detection Condition

Trouble Area

B1500

When combination meter detects fuel sender gauge malfunction



Harness or connector



Combination meter



Fuel sender gauge

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

Fig. 26: Fuel Sender Open Detected - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. READ VALUE OF TECHSTREAM (FUEL SENDER GAUGE)

a. Operate the Techstream according to the display and select the "DATA LIST" or "Data List" (see

DATA LIST / ACTIVE TEST ).

OK: Fuel value displayed on tester is almost same as needle indication

Techstream

Combination Meter:

TECHSTREAM COMBINATION METER REFERENCE CHART

NG: Go to step 2

OK: REPLACE COMBINATION METER ASSEMBLY (see REMOVAL )

2. CHECK HARNESS AND CONNECTOR (COMBINATION METER - FUEL SENDER GAUGE

AND BODY GROUND)

a. Disconnect the J28 meter connector.

Tester

Display

Measurement Item/Range

Normal

Condition

Diagnostic

Note

Fuel Input

Fuel sender gauge (main) input signal/Min.:
0, Max.: 127.5

Fuel sender input
value

Unit: L

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

b. Disconnect the R6 gauge connector.

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

Standard resistance

HARNESS AND CONNECTOR (COMBINATION METER - FUEL SENDER GAUGE
AND BODY GROUND) RESISTANCE REFERENCE

Fig. 27: Identifying R6 Gauge Connector Terminal J28 Meter Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

3. INSPECT FUEL SENDER GAUGE ASSEMBLY

Tester Connection

Condition Specified Condition

J28-12 (L) - R6-2

Always

Below 1 ohms

J28-39 (E3) - R6-3

J28-40 (E1) - Body ground

J28-12 (L) or R6-2 - Body ground Always

10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

Fig. 28: Identifying Fuel Sender Gauge Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

a. Remove the fuel sender gauge.



for 1GR-FE (see REMOVAL )



for 2UZ-FE (see REMOVAL )



for 3UR-FE (see REMOVAL )



for 3UR-FBE (see REMOVAL

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

Standard resistance

STANDARD RESISTANCE REFERENCE

Result

RESULT REFERENCE

Tester Connection

Condition

Specified Condition

2 - 3

Float level is F (upper)

12 to 18 ohms

Float level is E (lower)

405 to 415 ohms

Result

Proceed to

Result is as specified

A

Result is not as specified (for 1GR-FE)

B

Result is not as specified (for 2UZ-FE)

C

Result is not as specified (for 3UR-FE)

D

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra