Toyota Tundra. Manual — part 278

Fig. 42: Identifying J90 No. 3 Junction And J17 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Go to step 19

OK: Go to Next Step

11. CONNECT CONNECTOR

a. Reconnect the J90 No. 3 junction connector connector.

12. CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - MULTIPLEX

(BAT)

Ignition switch

OFF

1 ohms or

higher

OK

J90-2 (CANL)

- J17-16

(BAT)

J90-1 (CANH)

- J17-16

(BAT)

Ignition switch

OFF

Below 1 ohms

NG

J90-2 (CANL)

- J17-16

(BAT)

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

TILT AND TELESCOPIC ECU)

a. Disconnect the J89 No. 3 junction connector connector.

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

Result

RESULT REFERENCE TABLE

Tester

Connection

Switch

Condition

Specified

Condition

Proceed to

J89-1 (CANH)

- J89-2

(CANL)

Ignition switch

OFF

1 ohms or

higher

OK

Below 1 ohms

NG

J89-1 (CANH)

- J17-4 (CG) Ignition switch

OFF

1 ohms or

higher

OK

J89-2 (CANL)

- J17-4 (CG)

J89-1 (CANH)

- J17-4 (CG) Ignition switch

OFF

Below 1 ohms

NG

J89-2 (CANL)

- J17-4 (CG)

J89-1 (CANH)

- J17-16

(BAT)

Ignition switch

OFF

1 ohms or

higher

OK

J89-2 (CANL)

- J17-16

(BAT)

J89-1 (CANH)

- J17-16

(BAT)

Ignition switch

OFF

Below 1 ohms

NG

J89-2 (CANL)

- J17-16

(BAT)

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

Fig. 43: Identifying J89 No. 3 Junction And J17 Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Go to step 21

OK: Go to Next Step

13. CONNECT CONNECTOR

a. Reconnect the J89 No. 3 junction connector connector.

14. CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - OUTER

MIRROR CONTROL ECU)

a. Disconnect the J91 No. 3 junction connector connector.

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

Result

RESULT REFERENCE TABLE

Tester

Connection

Switch

Condition

Specified

Condition

Proceed to

J91-1 (CANH)

- J91-2

Ignition switch

1 ohms or

higher

OK

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra

(CANL)

OFF

Below 1 ohms

NG

J91-1 (CANH)

- J17-4 (CG) Ignition switch

OFF

1 ohms or

higher

OK

J91-2 (CANL)

- J17-4 (CG)

J91-1 (CANH)

- J17-4 (CG) Ignition switch

OFF

Below 1 ohms

NG

J91-2 (CANL)

- J17-4 (CG)

J91-1 (CANH)

- J17-16

(BAT)

Ignition switch

OFF

1 ohms or

higher

OK

J91-2 (CANL)

- J17-16

(BAT)

J91-1 (CANH)

- J17-16

(BAT)

Ignition switch

OFF

Below 1 ohms

NG

J91-2 (CANL)

- J17-16

(BAT)

2009 Toyota Tundra

2009 ACCESSORIES & EQUIPMENT CAN Communication - Tundra