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Check room lamp fuse in the junction block is blown or pulled off.
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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 -
Inspection service points for
a blown fuse ).
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Check that the low-beam and high-beam headlamps work normally.
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Q.
Is the check result normal?
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Follow Inspection Procedure 1: None of the low-beam headlamps illuminate (Refer
to ) and Inspection Procedure 2: None of the high-beam headlamps illuminate
(Refer to ). Then go to Step 4.
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Check if the ETACS-ECU sets a diagnosis code.
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Q.
Is the diagnosis code set?
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Diagnose the ETACS-ECU.(Refer to ) After the repair,
go to Step 4.
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(1)Disconnect the connector, and measure at the wiring harness-side connector.
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(2)Measure the voltage between the column switch connector (power supply terminal)
and the body earth. OK: System voltage
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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Check whether the headlamps illuminate briefly when the ignition switch is turned to the
ON position with the lighting switch in the OFF or TAIL position.
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|
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 ).
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Replace the column switch (wiper and washer switch).
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