Toyota Tundra. Manual — part 957

a. Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.

SST 09843-18040

b. Check if the ABS warning light is blinking.

Result

RESULT TABLE

Fig. 123: Identifying DLC3 Connector Terminal J17 (TC And CG Terminal)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

B: REPLACE ECM (See REMOVAL )

C: REPLACE ECM (See REMOVAL )

D: REPLACE ECM (See REMOVAL )

E: REPLACE ECM (See REMOVAL )

A: REPLACE VSC ACTUATOR ASSEMBLY (See REMOVAL )

TS AND CG TERMINAL CIRCUIT

DESCRIPTION

In the sensor check mode, a malfunction of the speed sensor that cannot be detected when the vehicle is stopped
can be detected while driving.

Result

Proceed to

ABS warning light is blinking

A

ABS warning light is not blinking (for 1GR-FE)

B

ABS warning light is not blinking (for 2UZ-FE)

C

ABS warning light is not blinking (for 3UR-FE)

D

ABS warning light is not blinking (for 3UR-
FBE)

E

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

Transition to the sensor check mode can be performed by connecting terminals TS and CG of the DLC3 and
turning the ignition switch from OFF to ON.

WIRING DIAGRAM

Fig. 124: Identifying TS & CG Terminal Circuit - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - DLC3)

a. Turn the ignition switch off.

b. Disconnect the A17 ECU connector.

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

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

NOTE:

When replacing the VSC actuator assembly, perform initialization of linear
solenoid valve calibration (See CALIBRATION ).

Tester Connection

Condition

Specified Condition

A17-10 (TS) - J17-12 (TS)

Always

Below 1 ohms

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

Fig. 125: Identifying A17 ECU And J17 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go To Next Step

2. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

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

Standard Resistance

TROUBLE AREA PROCEDURE TABLE

Tester Connection

Condition

Specified Condition

J17-4 (CG) - Body ground

Always

Below 1 ohms

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

Fig. 126: Identifying DLC3 Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go To Next Step

3. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

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

Standard Resistance

TROUBLE AREA PROCEDURE TABLE

HINT:

If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the
table and proceed to the next step before replacing the part (See PROBLEM SYMPTOMS
TABLE ).

Fig. 127: Identifying DLC3 And Body Ground Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Tester Connection

Condition

Specified Condition

J17-12 (TS) - Body ground

Always

10 kohms or higher

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra