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Input signal from the front fog lamp switch is
used to operate the front fog lamps. If the signal is abnormal, the front
fog lamps will not illuminate and extinguish normally.
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- Malfunction of the fog lamp switch
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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Q.
Is the check result normal?
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Repair
the defective connector.
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Q.
Is the check result normal?
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Replace the fog lamp switch.
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(1)Remove the fog lamp switch, and measure at the wiring
harness side.
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(2)Resistance between D-28 fog lamp switch connector terminal
No.2 and body earth OK: Continuity exists (2 Ω or
less)
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Q.
Is the check result normal?
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- Check the earth wires for open circuit.
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use troubleshooting/Inspection Service Points ).
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Repair
the wiring harness.
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Q.
Is the check result normal?
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Repair
the defective connector.
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- Check the input line for open circuit.
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Q.
Is the check result normal?
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Repair
the wiring harness.
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Check that the front fog lamp switch signal is
received normally.
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Q.
Is the check result normal?
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The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to use troubleshooting/Inspection Service Points ).
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