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If the sunroof inhibition function does not
work normally, the sunroof motor assembly,
the power window main switch or the ETACS-ECU may be defective.
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- Malfunction of the power window main switch
- Malfunction of the sunroof motor assembly
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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Q.
Which does not operate normally, the sunroof inhibition or the sunroof
operation lock
buzzer?
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The sunroof inhibition does not work
normally. : Go
to Step 2.
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The sunroof operation lock buzzer does not work
normally. : Go
to Step 4.
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Neither operates normally. : Go to Step 5.
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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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Check that the sunroof works normally by using
the sunroof switch.
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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 Cope with Intermittent Malfunction ).
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Refer
to Inspection procedure F-1 "The sunroof does not work at all. ."
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When the ignition switch is turned to the LOCK
(OFF) position, check if the hazard warning
lamps illuminate.
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Q.
Is the check result normal?
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Refer
to Inspection Procedure A-2 "When the ignition switch is at the LOCK (OFF)
position, the functions do not work normally. Check the battery power
supply circuit to the
ETACS-ECU ."
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Check that each of the power windows (excluding
the driver’s door) works normally
by using the power window main switch.
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Q.
Is the check result normal?
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Refer
to Inspection procedure D-4 "Passenger’s and/or rear power
window(s) do not work by means of the power window main switch ."
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Turn on the power window lock switch. Check
that neither of the power windows (excluding
the driver’s door) works when the relevant power window sub switch is
operated.
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Q.
Is the check result normal?
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Replace to the power window main
switch.
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Check that the sunroof works normally by using
the sunroof switch.
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Q.
Is the check result normal?
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Refer
to Inspection procedure F-1 "The sunroof does not work ."
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When the ignition switch is turned to the LOCK
(OFF) position, check if the hazard warning
lamps illuminate.
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Q.
Is the check result normal?
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Refer
to Inspection Procedure A-2 "When the ignition switch is at the LOCK (OFF)
position, the functions do not work normally. Check the battery power
supply circuit to the
ETACS-ECU ."
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When the ignition switch is turned to the LOCK
(OFF) position, check that the ETACS-ECU
does not set the 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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The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
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