Last Modified: 11-29-2007 1.6 D
Service Category: Power Source/Network Section: Networking
Model Year: 2008 Model: Sequoia Doc ID: RM000001RSO013X
Title: NETWORKING: LIN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia)

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

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

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

HINT:

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

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3.

INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, inspect the CAN communication function to ensure there are no malfunctions in the communication system NETWORKING: LIN COMMUNICATION SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

No DTCs output

A

DTCs output

B
B

Go to CAN COMMUNICATION SYSTEM

A

4.

INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

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

Result

Result

Proceed to

No DTCs output

A

DTCs output

B
B

Go to DIAGNOSTIC TROUBLE CODE CHART

A

5.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List/Active Test NETWORKING: LIN COMMUNICATION SYSTEM: DATA LIST / ACTIVE TEST (2008 Sequoia)

(b) Terminals of ECU NETWORKING: LIN COMMUNICATION SYSTEM: TERMINALS OF ECU (2008 Sequoia)

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6.

ADJUST, REPAIR OR REPLACE
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END