Toyota Tundra Service Manual: How To Proceed With Troubleshooting

Toyota Tundra Service Manual / Power Source, Network / Multiplex Communication / Lin Communication System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • Use these procedures to troubleshoot the LIN communication system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP
NEXT

2.

INSPECT BATTERY VOLTAGE

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT

3.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions in the CAN communication system.

Click here

Result

Proceed to

No DTCs output

A

DTCs output

B
B

GO TO CAN COMMUNICATION SYSTEM

A

4.

CHECK FOR DTC*

(a) Check for DTCs.

Click here

(b) Clear the DTCs.

Click here

(c) Recheck for DTCs.

Click here

Result

Proceed to

DTC output does not reoccur

A

DTC output reoccurs

B
B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

5.

PROBLEM SYMPTOMS TABLE

(a) Refer to the problem symptoms table.

Click here

Result

Proceed to

Fault is not listed in problem symptoms table

A

Fault is listed in problem symptoms table

B
B

GO TO STEP 6

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU

Click here

(b) Data List / Active Test

Click here

NEXT

7.

REPAIR OR REPLACE
NEXT

END
    Dtc Check / Clear

    Integration Control and Panel Assembly Communication Error

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