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If obstacle is not detected or the
corner sensor indicator (rear) continues flashing even when
the selector lever is shifted to "R" (reverse) position, the
wiring harness, connectors, inhibitor switch, or corner
sensor/back sonar-ECU may be defective.
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- Damaged harness wires and connectors
- Malfunction of the inhibitor switch
- Malfunction of corner sensor/back
sonar-ECU
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Verify that the corner sensor OFF
indicator lamp and corner sensor indicator will illuminate
for 1 second when the ignition switch is turned to the ON
position.
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Q.
Is the check result normal?
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YES <Both of them illuminate
normally.> : The procedure is complete.
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NO <Corner sensor OFF
indicator lamp and corner sensor indicator do not
illuminate.> : Diagnose the power supply system of the
combination meter. Refer to .
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NO <Only corner sensor OFF
indicator lamp does not illuminate.> : Perform
"Corner sensor OFF indicator lamp does not illuminate."
Refer to .
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NO <All the corner sensor
indicators do not illuminate or continue flashing.> :
Perform
"All the corner sensor indicators do not illuminate." Refer
to .
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NO <Any of the corner sensor
indicators does not illuminate or continues
flashing.> : Go to
Step 2.
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Q.
Which corner sensor indicator lamp does not illuminate
or continues flashing?
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The corner sensor indicators
(except rear corner sensor indicators) do not illuminate or
continue flashing. : Perform
"Any of the corner sensor indicators does not illuminate."
Refer to .
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Only rear corner sensor indicators
do not illuminate or continue flashing. : Go to
Step 3.
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- Ignition switch: ON
- Shift position: R (reverse)
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OK: The ETACS-ECU buzzer
sounds.
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Q.
Is the check result normal?
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Diagnose SWS.Refer
to GROUP 54D, Troubleshooting or GROUP
54E, Troubleshooting .
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![](../../../img/54/AC313388AB00ENG.png)
![](../../../img/54/AC313414AO00ENG.png)
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Q.
Is the check result normal?
Go to Step
5.
Repair
the defective connector.
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![](../../../img/54/AC313415AC00ENG.png)
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note |
Before the wiring harness
inspection, inspect the intermediate connectors
C-18 and C-43, and repair if necessary.
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Q.
Is the check result normal?
Go to Step
6.
Repair
the wiring harness.
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![](../../../img/54/AC313414AO00ENG.png)
![](../../../img/54/AC313481AQ00ENG.png)
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Q.
Is the check result normal?
Go to Step
7.
Repair
the defective connector.
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![](../../../img/54/AC313416AM00ENG.png)
![](../../../img/54/AC313482AH00ENG.png)
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note |
Before the wiring harness
inspection, inspect the intermediate connectors
G-31, G-29, C-15, and repair if
necessary.
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Q.
Is the check result normal?
Go to Step
8.
Repair
the wiring harness.
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![](../../../img/54/AC313416BA00ENG.png)
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Q.
Is the check result normal?
Go to Step
9.
Repair
the defective connector.
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![](../../../img/54/AC313416BA00ENG.png)
![](../../../img/54/AC313414AO00ENG.png)
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Q.
Is the check result normal?
Go to Step
10.
Repair
the wiring harness.
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![](../../../img/54/AC313481AQ00ENG.png)
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Verify that the corner sensor
indicator lamp (rear) flashes when the ignition switch is
turned to the ON position with the back sonar sensor
connector G-30 disconnected.
Q.
Inspect if the corner sensor indicator (rear)
flashes.
Replace the back
sonar sensor.
Go to Step
11.
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After replacing the corner
sensor/back sonar-ECU, verify that the corner sensor
indicator lamp illuminates normally.
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Q.
Is the check result normal?
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The procedure is
complete.
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Replace the
combination meter.
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