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The ETACS-ECU operates the interior
lamps (room lamp, rear personal lamp. luggage compartment
lamp, door lamp, key cylinder illumination lamp) in
accordance with the input signals below.
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- Ignition switch (IG1)
- Door switches
- Tailgate switch
- Door key switch
- Tailgate key switch
- Driver’s door lock actuator
- Interior lamp switch
- Multi-purpose fuse No.18
- Key reminder switch <vehicles with keyless
entry system>
- Interior lamp loaded signal <vehicles with
keyless entry system>
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If this function does not work
normally, these input signal circuit(s) or the ETACS-ECU
may be defective.
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- Malfunction of the door switches
- Malfunction of the room lamp switches
- Malfunction of the driver’s door lock
actuator
- Malfunction of the ETACS-ECU
- Malfunction of the key reminder switch
- Damaged harness wires and connectors
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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 "Check the ETACS-ECU battery power supply
circuit ."
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Check that the interior lamps
illuminate and extinguish.
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Q.
Which of the interior lamp does no illuminate or
extinguish?
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All of the interior lamps
illuminate and extinguish normally. : The procedure is
complete.
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No lamps illuminate at all. :
Replace the ETACS-ECU.
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When the interior lamp switches are
turned to the ON position, no lamps illuminate at
all. Alternatively, when the interior lamp switches are
turned to the OFF position, all the
interior lamps illuminate. : Refer to inspection procedure
P-20 "The interior lamp "all on" or "all off" switch
signal is not sent to the ETACS-ECU ."
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If the interior lamp switches are
turned to the ON position, none of the room lamp and
the rear personal lamps illuminate at all. : Go to
Step 3.
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The room lamp and the rear personal
lamps do not illuminate or extinguish normally when
the switches are at the DOOR position. : Go to
Step 5.
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Only the room lamp does not
illuminate or extinguish normally. : Refer to inspection
procedure O-2 "The room lamp does not illuminate normally ."
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Only right or left rear personal
lamp does not illuminate or extinguish normally. : Refer to
inspection procedure O-3 "The rear personal lamp does not
illuminate normally ."
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Only the luggage compartment lamp
does not illuminate or extinguish normally. : Refer to
inspection procedure O-4 "The luggage compartment lamp does
not illuminate normally ."
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Only the door lamps do not
illuminate or extinguish normally. : Refer to Inspection
procedure O-5 "Door lamps do not illuminate/go out
normally ."
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Only the key cylinder illumination
lamp does not illuminate or extinguish normally. : Refer to
inspection procedure J-1 "The ignition key cylinder
illumination lamp
does not illuminate/extinguish normally ."
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![](../../../img/54/AC313400AD00ENG.png)
![](../../../img/54/AC313410AD00ENG.png)
![](../../../img/54/AC310651AD00ENG.png)
![](../../../img/54/AC310655AE00ENG.png)
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Q.
Is the check result normal?
Go to Step
4.
Repair
the defective connector.
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![](../../../img/54/AC313398AO00ENG.png)
![](../../../img/54/AC313408AN00ENG.png)
![](../../../img/54/AC310651AH00ENG.png)
![](../../../img/54/AC310655AI00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector E-11
and junction
block connector C-211, and repair if
necessary.
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- Check the power supply line for open
circuit.
Q.
Is the check result normal?
Replace the
ETACS-ECU.
Repair the wiring
harness.
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![](../../../img/54/AC313400AD00ENG.png)
![](../../../img/54/AC313410AD00ENG.png)
![](../../../img/54/AC310651AD00ENG.png)
![](../../../img/54/AC310655AE00ENG.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/AC313398AO00ENG.png)
![](../../../img/54/AC313408AN00ENG.png)
![](../../../img/54/AC310651AH00ENG.png)
![](../../../img/54/AC310655AI00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector E-11
and junction
block connector C-211, and repair if
necessary.
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- Check the power supply line for open
circuit.
Q.
Is the check result normal?
Replace the
ETACS-ECU.
Repair the wiring
harness.
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