How To Proceed With Troubleshooting
NETWORKING: MULTIPLEX COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use this procedure to troubleshoot the multiplex communication system.
* *: Use the Techstream
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CHECK FOR DTC*
(a) Check for DTCs and note any codes that are output Multiplex Communication System.
(b) Clear the DTC.
(c) Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.
Result:
B -- GO TO DTC CHART Multiplex Communication System
A -- Continue to next step.
3. OVERALL ANALYSIS AND TROUBLESHOOTING
(a) Terminals of ECU Multiplex Communication System.
NEXT -- Continue to next step.
4. REPAIR OR REPLACE
NEXT -- Continue to next step.
5. CONFIRMATION TEST
NEXT -- END