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Input signal from the fog lamp
switch is used to operate the fog lamps. If the signal
is abnormal, the fog lamps will not illuminate and
extinguish normally.
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- Malfunction of the fog lamp switch
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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![](../../../img/54/AC313416AT00ENG.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 - Fog lamp
.
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Q.
Is the check result normal?
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Replace the fog lamp
switch.
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![](../../../img/54/AC313416AT00ENG.png)
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(1)Remove the fog lamp switch, and
measure at the wiring harness side.
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![](../../../img/54/AC312730AE00ENG.png)
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(2)Resistance between C-130 fog
lamp switch connector terminal No.2 and body
earth OK: 2Ω or less
Q.
Is the check result normal?
Go to Step
5.
Go to Step
4.
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![](../../../img/54/AC313416AD00ENG.png)
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note |
Prior to the wiring harness
inspection, check joint connector C-01, and
repair if necessary.
|
- 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)
|
Q.
Is the check result normal?
Go to Step
6.
Repair
the defective connector.
|
![](../../../img/54/AC313421AB00ENG.png)
![](../../../img/54/AC313416AT00ENG.png)
|
- 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 fog lamp switch
signal is received normally.
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Q.
Is the check result normal?
|
|
The trouble can be
an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
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