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Input signals from the interior
lamp "ON" and "OFF" switch are used to operate the interior
lamps (room lamp, rear personal lamp, luggage compartment
lamp, door lamps and key illumination
lamp). If the signals are abnormal, the interior lamps will
not illuminate and extinguish normally.
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- Malfunction of the room lamp (interior lamp
switch)
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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![](../../../img/54/AC313436AG00ENG.png)
![](../../../img/54/AC313438AM00ENG.png)
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Q.
Is the check result normal?
Go to Step
2.
Repair
the defective connector.
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Refer to GROUP 54A - Room
lamp .
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Q.
Is the check result normal?
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![](../../../img/54/AC313436AG00ENG.png)
![](../../../img/54/AC313438AM00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side.
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![](../../../img/54/AC312730AQ00ENG.png)
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(2)Resistance between E-02 room
lamp connector terminal No.5 and body earth OK:
2 Ω or less
Q.
Is the check result normal?
Go to Step
5.
Go to Step
4.
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![](../../../img/54/AC313437AB00ENG.png)
![](../../../img/54/AC313439AF00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector E-11,
and repair
if necessary.
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- Check the earth wires for open circuit.
Q.
Is the check result normal?
The trouble can be
an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
Repair the wiring
harness.
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![](../../../img/54/AC313421AB00ENG.png)
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Q.
Is the check result normal?
Go to Step
6.
Repair
the defective connector.
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![](../../../img/54/AC313416AE00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector E-11
and C-128, and
repair if necessary.
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- Check the input line for open circuit.
Q.
Is the check result normal?
Go to Step
7.
Repair
the wiring harness.
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Check that the room lamp 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 Cope with Intermittent Malfunction ).
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