Toyota Tundra (2015 year). Manual — part 2692

OK

OK

(to No. 3 Junction Connector)

*b

GO TO STEP 17

12.

CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - OUTER
MIRROR CONTROL ECU ASSEMBLY)

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

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J76-5 (CANH) - J76-16

(CANL)

Ignition switch off

200 Ω or higher

J76-5 (CANH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J76-16 (CANL) - J17-4

(CG)

Ignition switch off

200 Ω or higher

J76-5 (CANH) - J17-16

(BAT)

Ignition switch off

6 kΩ or higher

J76-16 (CANL) - J17-16

(BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

GO TO STEP 19

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

OK

13.

CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR -
COMBINATION METER ASSEMBLY)

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

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J76-1 (CANH) - J76-12

(CANL)

Ignition switch off

108 to 132 Ω

J76-1 (CANH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J76-12 (CANL) - J17-4

(CG)

Ignition switch off

200 Ω or higher

J76-1 (CANH) - J17-16

(BAT)

Ignition switch off

6 kΩ or higher

J76-12 (CANL) - J17-16

(BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

GO TO STEP 21

14.

CHECK FOR SHORT IN CAN BUS WIRES (NO. 3 JUNCTION CONNECTOR - MAIN BODY
ECU)

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

NEXT

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

table below.

Standard Resistance:

TESTER CONNECTION

SWITCH

CONDITION

SPECIFIED

CONDITION

J76-4 (CANH) - J76-15

(CANL)

Ignition switch off

108 to 132 Ω

J76-4 (CANH) - J17-4 (CG)

Ignition switch off

200 Ω or higher

J76-15 (CANL) - J17-4

(CG)

Ignition switch off

200 Ω or higher

J76-4 (CANH) - J17-16

(BAT)

Ignition switch off

6 kΩ or higher

J76-15 (CANL) - J17-16

(BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

GO TO STEP 23

OK

REPLACE NO. 3 JUNCTION CONNECTOR

15.

CONNECT CONNECTOR

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

16.

CHECK FOR SHORT IN CAN BUS WIRES (FRONT POWER SEAT CONTROL ECU AND
SWITCH LH)

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

NEXT

(a) Disconnect the Z10 front power seat control ECU and switch

LH connector.

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

Standard Resistance:

TESTER CONNECTION

SWITCH CONDITION

SPECIFIED CONDITION

Z10-8 (CANP) - Z10-7 (CANN)

Ignition switch off

54 to 69 Ω

Z10-8 (CANP) - J17-4 (CG)

Ignition switch off

200 Ω or higher

Z10-7 (CANN) - J17-4 (CG)

Ignition switch off

200 Ω or higher

Z10-8 (CANP) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

Z10-7 (CANN) - J17-16 (BAT)

Ignition switch off

6 kΩ or higher

Text in Illustration

*a

*b

REPAIR OR REPLACE CAN BRANCH WIRE

CONNECTED TO FRONT POWER SEAT CONTROL ECU

AND SWITCH LH (CANP, CANN)

OK

REPLACE FRONT POWER SEAT CONTROL ECU AND

SWITCH LH

17.

CONNECT CONNECTOR

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

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