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Input signal from the front
passenger’s door key switch is used to operate the
central door locking function. If the signal is abnormal,
the central door locking function
will not work normally.
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- Malfunction of the front passenger’s door key
switch
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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![](../../../img/54/AC313468AG00ENG.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 42 - Door .
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Q.
Is the check result normal?
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Replace the door key
switch.
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![](../../../img/54/AC313468AG00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side.
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![](../../../img/54/AC312730AI00ENG.png)
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(2)Resistance between F-23 door key
switch connector terminal No.3 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/AC313404AO00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector C-27,
and repair
if necessary.
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- Check the earth wires for open circuit.
Q.
Is the check result normal?
Intermittent
malfunction. (Refer to GROUP 00 - How to Cope with
Intermittent
Malfunction ).
Repair the wiring
harness.
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![](../../../img/54/AC313410AF00ENG.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/AC313404AO00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector C-27,
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 passenger’s
door key switch signal is received normally.
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Q.
Is the check result normal?
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Intermittent
malfunction. (Refer to GROUP 00 - How to Cope with
Intermittent
Malfunction ).
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