Toyota Tundra. Manual — part 268

Fig. 13: Identifying No. 1 Junction Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Wiring color

CONNECTOR TERMINAL WIRING COLOR REFERENCE TABLE

Wiring color

CONNECTOR TERMINAL WIRING COLOR REFERENCE TABLE

b. NO. 2 JUNCTION CONNECTOR

Junction Connector A Side

Color (CANH Side)

Color (CANL Side)

Combination meter ECU (J84)*1

SB

W

Center airbag sensor (J83)

BR

W

Skid control ECU with actuator (A46)

B

W

HINT:



*1: for V bus



The connectors connected to the junction connector can be distinguished by the colors of the
bus lines and the connecting side of the connector.



The connectors can be connected to any terminals on the same side.

Junction Connector B Side

Color (CANH Side)

Color (CANL Side)

DLC3 (J86)

V

W

Main body ECU (J96)*1

L

W

No. 2 junction connector (J94)

R

W

Steering angle sensor (J87)

G

W

HINT:



*1: for V bus



The connectors connected to the junction connector can be distinguished by the colors of the
bus lines and the connecting side of the connector.



The connectors can be connected to any terminals on the same side.

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

Fig. 14: Identifying No. 2 Junction Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Wiring color

CONNECTOR TERMINAL WIRING COLOR REFERENCE TABLE

c. NO. 3 JUNCTION CONNECTOR

Junction Connector B Side

Color (CANH Side)

Color (CANL Side)

Bus buffer ECU (J98)*1

P

W

No. 1 junction connector (J93)

R

W

ECM (J92)

GR

W

4WD control ECU (J88)*2

BE

W

Air conditioning amplifier (J85)

B

W

HINT:



*1: w/ Bus Buffer ECU



*2: w/ 4WD



The connectors connected to the junction connector can be distinguished by the colors of the
bus lines and the connecting side of the connector.



The connectors can be connected to any terminals on the same side.

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

Fig. 15: Identifying No. 3 Junction Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Wiring color

CONNECTOR TERMINAL WIRING COLOR REFERENCE TABLE

Wiring color

CONNECTOR TERMINAL WIRING COLOR REFERENCE TABLE

Junction Connector A Side

Color (CANH Side) Color (CANL Side)

Front power seat control ECU and switch LH (J90)*1

GR

W

Multiplex tilt and telescopic ECU (J89)*1

BE

w

Main body ECU (J97)*2

B

W

Combination meter ECU (J95)*2

Y

W

HINT:



*1: w/ Seat Memory



*2: for MS bus



The connectors connected to the junction connector can be distinguished by the colors of the
bus lines and the connecting side of the connector.



The connectors can be connected to any terminals on the same side.

Junction

Color (CANH

Color (CANL

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

3. TERMINALS OF CONNECTORS FOR JUNCTION CONNECTOR (JUNCTION CONNECTOR)

CONNECTOR TERMINAL REFERENCE TABLE

Fig. 16: Identifying CANH And CANL Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

4. CHECK DLC3

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

Fig. 17: Identifying DLC3 Connector Terminals

Connector B Side

Side)

Side)

Outer mirror control

ECU (J91)*1

LG

W

HINT:



*1: w/ Seat Memory



*2: for MS bus



The connectors connected to the junction connector can
be distinguished by the colors of the bus lines and the
connecting side of the connector.



The connectors can be connected to any terminals on
the same side.

Terminal Terminal Symbol

1

CANH

2

CANL

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra