CAUTION / NOTICE / HINT
HINT:
- Use these procedures to troubleshoot the window defogger 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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INSPECT BATTERY VOLTAGE
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(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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3.
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CHECK LIN COMMUNICATION SYSTEM
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(a) Check if the LIN communication system is functioning normally.
Click here 
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Result
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Proceed to
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LIN communication system is normal
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A
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LIN communication system is not normal
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B
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| B |
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GO TO LIN COMMUNICATION SYSTEM
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| A |
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4.
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PROBLEM SYMPTOMS TABLE
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(a) Refer to the 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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GO TO STEP 6
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| A |
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5.
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OVERALL ANALYSIS AND TROUBLESHOOTING*
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(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
(c) Operation Check
Click here
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END
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