IS 250C V6-2.5L (4GR-FSE) (2011)
is specified for each system operates to prevent those systems from malfunctioning.
(b) The following table shows the effects on each system when communication is impossible. (For further details, see the pages for each 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. CUSTOMER PROBLEM ANALYSIS
HINT
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In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in
order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the
customer about the problem and the conditions at the time the malfunction occurred.
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Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
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The following 5 items are important points in problem analysis: