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The power supply and earth circuit
to the immobilizer ECU may be defective.
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- Damaged harness wires and connectors
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![](../../../img/54/AC310153AE00ENG.png)
![](../../../img/54/AC310183AE00ENG.png)
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Q.
Is the check result normal?
Go to Step
2.
Repair
the defective connector.
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![](../../../img/54/AC310153AE00ENG.png)
![](../../../img/54/AC310183AE00ENG.png)
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(1)Disconnect the key reminder
switch connector C-308 and measure the voltage at key
reminder switch connector C-308 harness side. (2)Turn the
ignition switch to “ON” position.
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![](../../../img/54/AC310507CT00ENG.png)
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(3)Measure the voltage between
terminal 5 and earth. OK: System
voltage
Q.
Is the check result normal?
Go to Step
5.
Go to Step
3.
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![](../../../img/54/AC312585AB00ENG.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/AC310616AG00ENG.png)
![](../../../img/54/AC310629AE00ENG.png)
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note |
Prior to the wiring harness
inspection, check joint connector C-116,
intermediate connector C-18, and repair if
necessary.
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- Check the power supply line for open
circuit.
Q.
Are the wiring harness between engine control relay
connector B-15X (terminal 1) and key reminder switch
connector C-308 (terminal 5) in good
condition?
Go to Step
5.
Repair
the wiring harness.
|
![](../../../img/54/AC310153AE00ENG.png)
![](../../../img/54/AC310183AE00ENG.png)
|
(1)Disconnect the key reminder
switch connector C-308 and measure the resistance at key
reminder switch connector C-308 harness side.
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![](../../../img/54/AC310506CC00ENG.png)
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(2)Measure the resistance between
terminal 3 and earth. OK: Continuity exists (2
Ω or less)
Q.
Is the check result normal?
The procedure is
complete.
Go to Step
6.
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![](../../../img/54/AC310631AE00ENG.png)
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note |
Prior to the wiring harness
inspection, check joint connector C-01 <RH
drive vehicles>, and repair if
necessary.
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- Check the earth wires for open circuit.
Q.
Are the wiring harness between key reminder switch
connector C-308 (terminal 3) and earth in good
condition?
The procedure is
complete.
Repair the wiring
harness.
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