Toyota Tundra. Manual — part 425

Fig. 35: Fuel Receiver Gauge Malfunction - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK FOR DTC

a. Check for DTCs (see DTC B1500 FUEL SENDER OPEN DETECTED ).

Result

DTC RESULT REFERENCE

B: Go to DTC B1500

A: Go to next step

2. PERFORM ACTIVE TEST BY TECHSTREAM (FUEL RECEIVER GAUGE)

a. Operate the Techstream according to the steps on the display and select "ACTIVE TEST" or

"Active Test" (see DATA LIST / ACTIVE TEST ).

METER:

METER SPECIFICATIONS

Result

Proceed to

DTC B1500 is not output

A

DTC B1500 is output

B

Tester Display

Test Part

Control Range

Diagnostic Note

FUEL GAUGE Fuel receiver gauge EMPTY, 1/2 or FULL

-

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

Combination Meter:

COMBINATION METER SPECIFICATIONS

NG: REPLACE COMBINATION METER ASSEMBLY (see REMOVAL )

OK: PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS
TABLE (see PROBLEM SYMPTOMS TABLE )

ENGINE COOLANT TEMPERATURE GAUGE MALFUNCTION

DESCRIPTION

In this circuit, the combination meter receives the engine coolant temperature signals from the ECM using the
CAN communication lines. The combination meter displays an engine coolant temperature that is calculated
based on the data received from the ECM.

WIRING DIAGRAM

Fig. 36: Engine Coolant Temperature Gauge Malfunction - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

a. Check for the DTCs (see DTC CHECK/CLEAR ).

Tester Display

Test Part

Control Range

Diagnostic Note

Fuel Meter Operation Fuel receiver gauge EMPTY, 1/2 or FULL

-

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

Result

CAN COMMUNICATION SYSTEM RESULT REFERENCE

B: Go to CAN COMMUNICATION SYSTEM (See CAN COMMUNICATION SYSTEM )

A: Go to next step

2. CHECK SFI SYSTEM (ENGINE COOLANT TEMPERATURE)

a. Check for DTCs (see DTC CHECK/CLEAR ).

Result

SFI SYSTEM (ENGINE COOLANT TEMPERATURE) RESULT REFERENCE

B: Go to DIAGNOSTIC TROUBLE CODE CHART (See DIAGNOSTIC TROUBLE CODE
CHART )

C: Go to DIAGNOSTIC TROUBLE CODE CHART (See DIAGNOSTIC TROUBLE CODE
CHART )

D: Go to DIAGNOSTIC TROUBLE CODE CHART

E: Go to DIAGNOSTIC TROUBLE CODE CHART (See DIAGNOSTIC TROUBLE CODE
CHART

A: REPLACE COMBINATION METER ASSEMBLY (see REMOVAL )

OPERATING LIGHT CONTROL RHEOSTAT DOES NOT CHANGE LIGHT BRIGHTNESS

DESCRIPTION

The illumination intensity of the combination meter and accessory meter is increased by turning the knob of the
light control rheostat upward, and decreased by turning the knob downward.

WIRING DIAGRAM

Result

Proceed to

CAN communication system DTC is not output

A

CAN communication system DTC is output

B

Result

Proceed to

SFI system DTC is not output

A

SFI system DTC (for 1GR-FE) is output

B

SFI system DTC (for 2UZ-FE) is output

C

SFI system DTC (for 3UR-FE) is output

D

SFI system DTC (for 3UR-FBE) is output

E

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

Fig. 37: Operating Light Control Rheostat Does Not Change Light Brightness - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. READ VALUE OF TECHSTREAM (LIGHT CONTROL RHEOSTAT)

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

DATA LIST / ACTIVE TEST ).

Techstream

Combination Meter:

TECHSTREAM COMBINATION METER SPECIFICATIONS

HINT:

*: w/ TAIL cancel switch

OK: Light brightness can be changed within specified range by manual operation.

NG: Go to step 2

OK: REPLACE COMBINATION METER ASSEMBLY (see REMOVAL )

Tester

Display

Measurement Item/Range

Normal Condition

Diagnostic

Note

TAIL Cancel

SW*

TAIL cancel switch
condition/ON or OFF

ON: TAIL cancel switch ON
OFF: TAIL cancel switch OFF

-

Rheostat

value

Light control rheostat switch
input/Min.: 0, Max.: 100

Light control rheostat switch is
Dark (0) --> Bright (100)

Unit: %

HINT:
*: w/ TAIL cancel switch

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra