LIN COMMUNICATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE

1. VEHICLE BROUGHT TO WORKSHOP

   Result
   Proceed to NEXT

   
   

   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.

   Result
   Proceed to NEXT

   
   

   NEXT

3. CHECK FOR DTC (ELECTRIC POWER CONTROL SYSTEM)*

   
   

   1. Using the intelligent tester, check if the electric power control system is functioning normally.

      Result
      Result Proceed to DTC B22B3 is not output A DTC B22B3 is output B

   
   

   B

   GO TO ELECTRIC POWER CONTROL SYSTEM Click here

   A

4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

   
   

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

      Result
      Result Proceed to No DTCs output A DTCs output (for LHD) B DTCs output (for RHD) C

   
   

   B

   GO TO CAN COMMUNICATION SYSTEM Click here

   C

   GO TO CAN COMMUNICATION SYSTEM Click here

   A

5. CHECK FOR DTC OF LIN COMMUNICATION SYSTEM*

   
   

   1. Using the intelligent tester, check for DTC the LIN communication.

      Result
      Result Proceed to No DTCs output A DTCs output B

   
   

   B

   DIAGNOSTIC TROUBLE CODE CHART Click here

   A

6. PROBLEM SYMPTOMS TABLE

   Result
   Result Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B

   
   

   B

   GO TO STEP 8 Click here

   A

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

   
   

   1. Data List/Active Test

      Click here

   2. Terminals of ECU

      Click here

      Result
      Proceed to NEXT

   
   

   NEXT

8. ADJUST, REPAIR OR REPLACE

   Result
   Proceed to NEXT

   
   

   NEXT

   END