How To Proceed With Troubleshooting

MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: 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 LIN COMMUNICATION SYSTEM*

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

Result:





B -- GO TO DIAGNOSTIC TROUBLE CODE CHART LIN Communication System
A -- Continue to next step.

4. 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.

5. REPAIR OR REPLACE

NEXT -- Continue to next step.

6. CONFIRMATION TEST

NEXT -- END