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Input signal from the column switch (lighting, turn-signal lamp and headlamp washer switch) is used to operate the functions below. If the signal is abnormal, these functions will not work normally.
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- Lamp reminder function
- Headlamp and tail lamp
- Turn signal lamp
- Headlamp washer
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- Malfunction of the column switch
- Damaged harness wires and connectors
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Check that the wiper and washer switch connector, the lighting switch connector and the switch body connector are in good condition.
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Q.
Is the check result normal?
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YES <LHD> : Go to Step 3.
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YES <RHD> : Go to Step 2.
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NO : Repair the defective connector.
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- Check the continuity for lighting switch (refer to ).
- Check the continuity for column switch (switch body part) (refer to ).
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Q.
Is the check result normal?
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Replace the column switch.
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Check that the ETACS-ECU sets a diagnosis code.
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Q.
Is the diagnosis code set?
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Refer to diagnosis code chart .
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Replace the column switch, and check if the column switch (lighting, turn-signal lamp and headlamp washer switch) sends signal.
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(1)Replace the column switch.
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(2)Check if the column switch (lighting and turn-signal switch) sends signal.
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Q.
Is the check result normal?
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The procedure is complete.
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