Toyota Tundra. Manual — part 431

Fig. 53: Oil Pressure Receiver Gauge Malfunction - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

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

Result

DTC RESULT REFERENCE

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

A: Go to next step

2. PERFORM ACTIVE TEST BY TECHSTREAM (OIL PRESSURE RECEIVER GAUGE)

a. Operate the Techstream according to the display and select "ACTIVE TEST" or "Active Test" (see

DATA LIST / ACTIVE TEST ).

Techstream

Combination Meter:

TECHSTREAM COMBINATION METER SPECIFICATIONS

Result

Proceed to

CAN communication system DTC is not output

A

CAN communication system DTC is output

B

Tester Display

Test Part

Control Range

Diagnostic Note

Oil Pressure Meter

Oil pressure

LOW, 1/4,1/2,

Perform the test with the vehicle

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

OK: Needle indication is normal.

NG: REPLACE COMBINATION METER ASSEMBLY (see REMOVAL )

OK: Go to next step

3. INSPECT OIL PRESSURE GAUGE ASSEMBLY (OIL PRESSURE SENDER GAUGE)

Fig. 54: Identifying Oil Pressure Sender Gauge
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

a. Disconnect the D1 gauge connector.

b. Apply battery positive (+) voltage to the sender gauge terminal through a test LED.

c. Check that the LED does not illuminate when the engine is stopped.

d. Check that the LED flashes when the engine is running. The number of flashes varies with engine

speed.

OK: LED flashes when engine is running.

LED does not illuminate when engine is stopped.

Result

OIL PRESSURE GAUGE ASSEMBLY (OIL PRESSURE SENDER GAUGE) RESULT
REFERENCE

Operation

receiver gauge 3/4 or HIGH

stopped and engine idling

Result

Proceed to

LED operates correctly according to engine condition

A

LED does not operate correctly according to engine condition (for 2UZ-FE)

B

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

B: REPLACE OIL PRESSURE SENDER GAUGE ASSEMBLY (See REPLACEMENT )

C: REPLACE OIL PRESSURE SENDER GAUGE ASSEMBLY (See REMOVAL )

A: Go to next step

4. CHECK HARNESS AND CONNECTOR (COMBINATION METER - OIL PRESSURE SENDER

GAUGE)

a. Disconnect the J28 meter connector.

Fig. 55: Identifying D1 Gauge Connector Terminal J28 Meter Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Disconnect the D1 gauge connector.

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

Standard resistance

HARNESS AND CONNECTOR (COMBINATION METER - OIL PRESSURE SENDER
GAUGE) RESISTANCE REFERENCE

LED does not operate correctly according to engine condition (for 3UR-FE)

C

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE COMBINATION METER ASSEMBLY (see REMOVAL )

5. INSPECT OIL PRESSURE SENDER GAUGE

a. Disconnect the d77*1, E11*2 sender gauge connector.

*1: for 2UZ-FE

*2: for 3UZ-FE, 3UZ-FBE

Fig. 56: Inspecting Oil Pressure Sender Guage
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Apply battery positive (+) voltage to the sender gauge terminal through a test LED.

c. Check that the LED does not illuminate when the engine is stopped.

d. Check that the LED flashes when the engine is running. The number of flashes varies with engine

speed.

OK:

LED flashes when engine is running.

LED does not illuminate when engine is stopped.

Result

Tester Connection

Condition Specified Condition

J28-11 (S) - D1-1

Always

Below 1 ohms

J28-11 (S) or D1-1 -Body ground Always

10 kohms or higher

RESULT

PROCEED TO

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Meter - Tundra