LIN Communication System

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

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
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
C -- 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