IS 250 RWD V6-2.5L (4GR-FSE) (2007)
A description of the main areas of each circuit inspection is shown in the table.
Customer Problem Analysis
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 given 5 items are important points in the problem analysis:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Look for output Diagnostic Trouble Codes (DTCs) (from the DTC checks) in the appropriate section's Diagnostic Trouble Code Chart. Use the chart to
determine the trouble area and the proper inspection procedure. A description of each of the chart's columns is shown in the table.
Basic Inspection
BASIC INSPECTION
a. WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS
1. Unless otherwise stated, all resistance measurements should be made at an ambient temperature of 20 °C (68 °F). Resistance measurements
may be inaccurate if measured at high temperatures, i.e. immediately after the vehicle has been running. Measurements should be made after
the engine has cooled down.