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The SWS monitor may be connected
improperly.
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- Malfunction of the SWS monitor body (I/F
cartridge)
- Malfunction of the SWS monitor harness
- Malfunction of the ETACS-ECU
- Damaged harness wires and connectors
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Check whether the M.U.T.-III can
communicate with the other systems.
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|
Q.
Is the check result normal?
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Diagnose the system,
which cannot communicate with the M.U.T.-III.
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|
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When the ignition switch is turned
ON, check if the M.U.T.-III can communicate with the
system.
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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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|
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![](../../../img/54/AC313421AB00ENG.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/AC313421AB00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side.
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![](../../../img/54/AC310506DB00ENG.png)
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(2)Resistance between C-221
ETACS-ECU connector terminal No.56 and body
earth OK: 2 Ω or less
Q.
Is the check result normal?
Go to Step
6.
Go to Step
5.
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![](../../../img/54/AC313421AB00ENG.png)
|
- Check the earth wires for open circuit.
Q.
Are the check results normal?
The trouble can be
an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
Repair the wiring
harness.
|
![](../../../img/54/AC313416AG00ENG.png)
|
Q.
Is the check result normal?
Go to Step
7.
Repair
the defective connector.
|
![](../../../img/54/AC313416AG00ENG.png)
![](../../../img/54/AC313421AB00ENG.png)
|
- Check the communication lines for open
circuit.
Q.
Are the check results normal?
Replace the
ETACS-ECU.
Repair the wiring
harness.
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