Lin Communication System - How To Proceed With Troubleshooting

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - NETWORKING


LIN COMMUNICATION SYSTEM - HOW TO PROCEED WITH TROUBLESHOOTING

  • HINT:
Use these procedures to troubleshoot the LIN communication system.
*: Use the intelligent tester.

1.VEHICLE BROUGHT TO WORKSHOP
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2.INSPECT BATTERY VOLTAGE
  • Standard Voltage:
  • 11 to 14 V

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*

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

Result
ResultProceed to
No DTCs outputA
DTCs output (for LHD)B
DTCs output (for RHD)C
B.
Go to CAN COMMUNICATION SYSTEM ()
C.
Go to CAN COMMUNICATION SYSTEM ()
A
4.INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

Using the intelligent tester, inspect the LIN communication function to ensure there are no malfunctions in the communication system.

Result
ResultProceed to
No DTCs outputA
DTCs outputB
B.
Go to DIAGNOSTIC TROUBLE CODE CHART ()
A
5.PROBLEM SYMPTOMS TABLE

Refer to the Problem Symptoms Table ().

Result
ResultProceed to
Fault is not listed in problem symptoms tableA
Fault is listed in problem symptoms tableB
B.
Go to step 7
A
6.OVERALL ANALYSIS AND TROUBLESHOOTING*

Data List / Active Test ()

Terminals of ECU ()

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7.ADJUST, REPAIR OR REPLACE
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END