LIN Communication System

MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
*: Use 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 Techstream , inspect the CAN communication function to ensure there are no malfunctions in the communication system.

Result:





B -- GO TO CAN COMMUNICATION SYSTEM Diagnosis System
A -- Continue to next step.

4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

(a) Using Techstream , inspect the LIN communication function to ensure there are no malfunctions in the communication system Reading and Clearing Diagnostic Trouble Codes.

Result:





B -- PROBLEM SYMPTOMS TABLE LIN Communication System

C -- DIAGNOSTIC TROUBLE CODE CHART LIN Communication System
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