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Input signal from the ignition
switch (ACC) is used to operate the functions below. If
the signal is abnormal, these functions will not work
normally.
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- Seat belt warning buzzer function
- Door-ajar warning buzzer function
- Sunroof timer function
- Windshield wiper and washer
- Rear wiper and washer
- Electric retractable remote controlled
mirror
- Interior lamp automatic-shutdown function
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- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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![](../../../img/54/AC313400AD00ENG.png)
![](../../../img/54/AC313410AD00ENG.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/AC313400AD00ENG.png)
![](../../../img/54/AC313410AD00ENG.png)
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(1)Remove the ETACS-ECU, and
measure at the junction block side. (2)Ignition switch:
ACC position
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![](../../../img/54/AC312731AF00ENG.png)
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(3)Voltage between C-219 ETACS-ECU
connector terminal No.4 and body earth OK:
System voltage
Q.
Is the check result normal?
Go to Step
4.
Go to Step
3.
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![](../../../img/54/AC313406AL00ENG.png)
![](../../../img/54/AC313392AI00ENG.png)
![](../../../img/54/AC313392AD00ENG.png)
![](../../../img/54/AC313404AN00ENG.png)
![](../../../img/54/AC313398AN00ENG.png)
![](../../../img/54/AC313408AM00ENG.png)
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note |
Prior to the wiring harness
inspection, check intermediate connector C-125,
and joint
connector C-32 <L.H. drive vehicles>
C-01 <R.H. drive vehicles>, and
junction block connector
C-203, 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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Check that the ignition switch
(ACC) signal is received normally.
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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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