lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 3238 > < Initial Inspection and Diagnostic Overview|Page 3236
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HINT:
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â: Control master

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o: System related

How To Proceed With Troubleshooting

NETWORKING: MULTIPLEX COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

NETWORKING: MULTIPLEX COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT:
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Use this procedure to troubleshoot the multiplex communication system.

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*: 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 See: Reading and Clearing Diagnostic Trouble Codes/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.

Initial Inspection and Diagnostic Overview|Page 3238 > < Initial Inspection and Diagnostic Overview|Page 3236