Toyota Tundra (2015 year). Manual — part 2711

OK

OK

9.

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - NETWORK
GATEWAY ECU)

NOTICE:

For vehicles without a blind spot monitor system, go to "Check for Short in CAN Bus Wires (No. 2 Junction

Connector - ECM)".

(a) Measure the resistance according to the value(s) in the

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J74-6 (CANH) - J74-17

(CANL)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

NG

GO TO STEP 19

10.

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - ECM)

(a) Measure the resistance according to the value(s) in the

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J74-3 (CANH) - J74-14

(CANL)

Ignition switch off

108 to 132 Ω

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short i...

A

Text in Illustration

*a

Result

RESULT

PROCEED TO

OK (w/ Audio and Visual System)

A

OK (w/ Navigation System)

B

NG

C

B

GO TO STEP 12

C

GO TO STEP 21

11.

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR - RADIO AND
DISPLAY RECEIVER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J74-7 (CANH) - J74-18

(CANL)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

NG

GO TO STEP 23

OK

REPLACE NO. 2 JUNCTION CONNECTOR

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short i...

NEXT

12.

CHECK FOR SHORT IN CAN BUS WIRES (NO. 2 JUNCTION CONNECTOR -
NAVIGATION RECEIVER ASSEMBLY)

(a) Measure the resistance according to the value(s) in the

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J74-7 (CANH) - J74-18

(CANL)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

NG

GO TO STEP 25

OK

REPLACE NO. 2 JUNCTION CONNECTOR

13.

CONNECT CONNECTOR

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

14.

CHECK FOR SHORT IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER
ASSEMBLY)

(a) Disconnect the J19 air conditioning amplifier assembly

connector.

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

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short i...

NEXT

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

J19-11 (CANH) - J19-12 (CANL)

Ignition switch off

54 to 69 Ω

Text in Illustration

*a

NG

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO AIR CONDITIONING AMPLIFIER

ASSEMBLY (CANH, CANL)

OK

REPLACE AIR CONDITIONING AMPLIFIER

ASSEMBLY

15.

CONNECT CONNECTOR

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

16.

CHECK FOR SHORT IN CAN BUS WIRES (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) - A25-22 (CANL)

Ignition switch off

54 to 69 Ω

Text in Illustration

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Short i...