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The heated door mirrors should work for approximately 20 minutes when the rear defogger
switch is turned on. If the mirror heater does not work for the specified period, the defogger
relay circuit (heated door mirror power supply circuit) may be defective.
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- Damaged harness wires and connectors
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The rear defogger system should work normally (Refer to GROUP 54A, Printed Heater Lines
Check ).
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Q.
Is the check result normal?
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Diagnose the rear window defogger (Refer to GROUP 55B, Troubleshooting ).
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Q.
Is the check result normal?
YES <LH drive vehicles> : Go to Step 3.
YES <RH drive vehicles> : Go to Step 4.
Repair the defective connector.
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note |
Prior to the wiring harness inspection, check intermediate connector C-121 and C-134,
and repair if necessary.
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- Check the power supply line for open circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/Inspection Service Points -
How to Cope with Intermittent
Malfunction ).
Repair the wiring harness.
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note |
Prior to the wiring harness inspection, check joint connector C-08 <RH drive
vehicles>, intermediate connector C-121 and C-134, and repair if necessary.
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- Check the power supply line for open circuit.
Q.
Is the check result normal?
The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use
Troubleshooting/Inspection Service Points -
How to Cope with Intermittent
Malfunction ).
Repair the wiring harness.
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