CAUTION / NOTICE / HINT
HINT:
- Use the following procedures to troubleshoot the front power seat control
system.
- *: Use the Techstream.
PROCEDURE
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1.
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VEHICLE BROUGHT TO WORKSHOP
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2.
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CUSTOMER PROBLEM ANALYSIS
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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.
- Gather as much information as possible for reference. Past problems that
seem unrelated may also help in some cases.
- The following 5 items are important points in the problem analysis:
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What
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Vehicle model, system name
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When
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Date, time, occurrence frequency
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Where
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Road conditions
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Under what conditions?
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Driving conditions, weather conditions
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How did it happen?
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Problem symptoms
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3.
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INSPECT BATTERY VOLTAGE
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Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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4.
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CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
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(a) Use the Techstream to check if the CAN communication system is functioning
normally.
Click here 
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Result
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Proceed to
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CAN DTC is not output
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A
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CAN DTC is output
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B
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| A |
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(a) Check for DTCs and note any codes that are output.
Click here
(b) Clear the DTCs.
Click here
(c) Check for DTCs.
Click here
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Result
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Proceed to
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DTCs are not output
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A
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DTCs are output
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B
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| B |
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GO TO DIAGNOSTIC TROUBLE CODE CHART
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| A |
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6.
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PROBLEM SYMPTOMS TABLE
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(a) Refer to Problem Symptoms Table.
Click here
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Result
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Proceed to
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Fault is not listed in problem symptoms table
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A
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Fault is listed in problem symptoms table
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B
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| B |
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ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
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| A |
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7.
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OVERALL ANALYSIS AND TROUBLESHOOTING*
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(a) Operation Check
Click here
(b) Data List / Active Test
Click here
(c) Terminals of ECU
Click here
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END
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