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The sunroof motor assembly, the
power supply circuit or the communication circuit for
that assembly may be defective.
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- Malfunction of the sunroof motor assembly
- Damaged harness wires and connectors
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Check that the power supply and
earth lines to the ETACS-ECU and the SWS communication
lines are normal.
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OK: "OK" is displayed on
the "ETACS ECU" menu.
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Q.
Is the check result normal?
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Refer to Inspection
Procedure A-3 "Communication with the ETACS-ECU is not
possible ."
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![](../../../img/54/AC313438AB00ENG.png)
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Q.
Is the check result normal?
Go to Step
3.
Repair
the defective connector.
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![](../../../img/54/AC313438AB00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side.
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![](../../../img/54/AC209365LK00ENG.png)
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(2)Voltage between E-07 sunroof
motor assembly connector terminal No.1 and body
earth (3)OK: System voltage
Q.
Is the check result normal?
Go to Step
5.
Go to Step
4.
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![](../../../img/54/AC313414AG00ENG.png)
![](../../../img/54/AC313416AE00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connectors C-124,
C-128, and
repair if necessary.
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- Check the power supply line 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/AC313438AB00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side. (2)Turn the ignition
switch to the ON position.
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![](../../../img/54/AC310507CH00ENG.png)
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(3)Voltage between E-07 sunroof
motor assembly connector terminal No.2 and body
earth OK: System voltage
Q.
Is the check result normal?
Go to Step
7.
Go to Step
6.
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![](../../../img/54/AC313418AC00ENG.png)
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note |
Prior to the wiring harness
inspection, check junction block connectors
C-202 and C-211,
and repair if necessary.
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- Check the power supply line to the ignition switch
(IG2) 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/AC313438AB00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side.
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![](../../../img/54/AC310506BH00ENG.png)
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(2)Continuity between E-07 sunroof
motor assembly connector terminal No.5 and body
earth OK: 2Ω or less
Q.
Is the check result normal?
Go to Step
9.
Go to Step
8.
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![](../../../img/54/AC313438AB00ENG.png)
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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
10.
Repair
the defective connector.
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![](../../../img/54/AC313417AH00ENG.png)
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note |
Prior to the wiring harness
inspection, check joint connector C-01 and
intermediate connector
C-128, and repair if necessary.
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- Check the communication lines for open
circuit.
Q.
Is the check result normal?
Go to Step
11.
Repair
the wiring harness.
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Check that the power supply and
earth lines to the sunroof motor assembly and the SWS
communication lines are normal.
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- Turn the ignition switch to the ON
position.
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OK: "OK" is displayed on
the "SUNROOF ECU" menu.
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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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Replace the sunroof
motor assembly.
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