Toyota Tundra (2015 year). Manual — part 2730

NEXT

OK

REPLACE AIR CONDITIONING AMPLIFIER

ASSEMBLY

15.

CONNECT CONNECTOR

(a) Reconnect the J74 No. 2 junction connector.

16.

CHECK FOR SHORT TO GND IN CAN BUS WIRE (4WD CONTROL ECU)

(a) Disconnect the A25 4WD control ECU connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

A25-23 (CANH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

A25-22 (CANL) - J17-4 (CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO 4WD CONTROL ECU (CANH, CANL)

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...

NEXT

OK

REPLACE 4WD CONTROL ECU

17.

CONNECT CONNECTOR

(a) Reconnect the J74 No. 2 junction connector.

18.

CHECK FOR SHORT TO GND IN CAN BUS WIRE (BUS BUFFER ECU)

(a) Disconnect the J59 bus buffer ECU connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

J59-3 (CAN+) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J59-2 (CAN-) - J17-4 (CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO BUS BUFFER ECU (CAN+, CAN-)

OK

REPLACE BUS BUFFER ECU

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...

NEXT

19.

CONNECT CONNECTOR

(a) Reconnect the J74 No. 2 junction connector.

20.

CHECK FOR SHORT TO GND IN CAN BUS WIRE (NETWORK GATEWAY ECU)

(a) Disconnect the J123 network gateway ECU connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

J123-16 (CA1H) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J123-15 (CA1L) - J17-4 (CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO NETWORK GATEWAY ECU (CA1H,

CA1L)

OK

REPLACE NETWORK GATEWAY ECU

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...

NEXT

21.

CONNECT CONNECTOR

(a) Reconnect the J74 No. 2 junction connector.

22.

CHECK FOR SHORT TO GND IN CAN BUS WIRE (ECM)

(a) Disconnect the A24 ECM connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

A24-10 (CANH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

A24-11 (CANL) - J17-4 (CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

RESULT

PROCEED TO

OK (for 1UR-FE)

A

OK (for 3UR-FE)

B

OK (for 3UR-FBE)

C

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short t...

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Текст

Политика конфиденциальности