LIN Communication System

NETWORKING: LIN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING

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

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.

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.

NEXT -- Continue to next step.

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 Reading and Clearing Diagnostic Trouble Codes.

Result





B -- Go to CAN COMMUNICATION SYSTEM
A -- Continue to next step.

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





B -- Go to DIAGNOSTIC TROUBLE CODE CHART
A -- Continue to next step.

5. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Data List/Active Test Scan Tool Testing and Procedures
(b) Terminals of ECU LIN Communication System
NEXT -- Continue to next step.

6. ADJUST, REPAIR OR REPLACE
NEXT -- END