Toyota Tundra (2015 year). Manual — part 2693

18.

CHECK FOR SHORT IN CAN BUS WIRES (MULTIPLEX TILT AND TELESCOPIC ECU)

(a) Disconnect the J47 multiplex tilt and telescopic ECU

connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

J47-5 (CANH) - J47-14 (CANL)

Ignition switch off

54 to 69 Ω

J47-5 (CANH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J47-14 (CANL) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J47-5 (CANH) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

J47-14 (CANL) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO MULTIPLEX TILT AND TELESCOPIC

ECU (CANH, CANL)

OK

REPLACE MULTIPLEX TILT AND TELESCOPIC ECU

19.

CONNECT CONNECTOR

(a) Reconnect the J76 No. 3 junction connector.

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002;...

NEXT

20.

CHECK FOR SHORT IN CAN BUS WIRES (OUTER MIRROR CONTROL ECU ASSEMBLY)

(a) Disconnect the N8 outer mirror control ECU connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

N8-1 (CAN) - N8-21 (CGND)

Ignition switch off

54 to 69 Ω

N8-1 (CAN) - J17-4 (CG)

Ignition switch off

200 Ω or higher

N8-21 (CGND) - J17-4 (CG)

Ignition switch off

200 Ω or higher

N8-1 (CAN) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

N8-21 (CGND) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO OUTER MIRROR CONTROL ECU

ASSEMBLY (CAN, CGND)

OK

REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY

21.

CONNECT CONNECTOR

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002;...

NEXT

(a) Reconnect the J76 No. 3 junction connector.

22.

CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ASSEMBLY)

(a) Disconnect the J28 combination meter assembly connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

J28-18 (MSCH) - J28-19 (MSCL)

Ignition switch off

108 to 132 Ω

J28-18 (MSCH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J28-19 (MSCL) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J28-18 (MSCH) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

J28-19 (MSCL) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN MAIN WIRE CONNECTED

TO COMBINATION METER ASSEMBLY (MSCH,

MSCL)

OK

REPLACE COMBINATION METER ASSEMBLY

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002;...

NEXT

23.

CONNECT CONNECTOR

(a) Reconnect the J76 No. 3 junction connector.

24.

CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU)

(a) Disconnect the J2 main body ECU (driver side junction block

assembly) connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

J2-16 (CANP) - J2-15 (CANN)

Ignition switch off

108 to 132 Ω

J2-16 (CANP) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J2-15 (CANN) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J2-16 (CANP) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

J2-15 (CANN) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN MAIN WIRE CONNECTED

TO MAIN BODY ECU (CANP, CANN)

OK

REPLACE MAIN BODY ECU (DRIVER SIDE

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002;...