Toyota Tundra (2015 year). Manual — part 2729

OK

OK

*a

*b

GO TO STEP 17

9.

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

NOTICE:

For vehicles without a blind spot monitor system, go to "Check for Short to GND in CAN Bus Wire (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) - J17-4

(CG)

Ignition switch off

200 Ω or higher

J74-17 (CANL) - J17-4

(CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

GO TO STEP 19

10.

CHECK FOR SHORT TO GND IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR -

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

A

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) - J17-4

(CG)

Ignition switch off

200 Ω or higher

J74-14 (CANL) - J17-4

(CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

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 TO GND IN CAN BUS WIRE (NO. 2 JUNCTION CONNECTOR -
RADIO AND DISPLAY RECEIVER ASSEMBLY)

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

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

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J74-7 (CANH) - J17-4

(CG)

Ignition switch off

200 Ω or higher

J74-18 (CANL) - J17-4

(CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

GO TO STEP 23

OK

REPLACE NO. 2 JUNCTION CONNECTOR

12.

CHECK FOR SHORT TO GND IN CAN BUS WIRE (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) - J17-4

(CG)

Ignition switch off

200 Ω or higher

J74-18 (CANL) - J17-4

(CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

GO TO STEP 25

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

NEXT

OK

REPLACE NO. 2 JUNCTION CONNECTOR

13.

CONNECT CONNECTOR

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

14.

CHECK FOR SHORT TO GND IN CAN BUS WIRE (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.

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

J19-11 (CANH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J19-12 (CANL) - J17-4 (CG)

Ignition switch off

200 Ω or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO AIR CONDITIONING AMPLIFIER

ASSEMBLY (CANH, CANL)

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