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If the corner sensor OFF indicator
lamp and corner sensor indicator lamp do not illuminate when
the ignition switch is turned to the ON position, the power
supply system of corner sensor/back sonar sensor-ECU,
corner sensor/back sonar sensor-ECU, or combination
meter may be defective.
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- Damaged harness wires and connectors
- Malfunction of corner sensor/back sonar
sensor-ECU
- Malfunction of the combination meter
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![](../../../img/54/AC313414AO00ENG.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/AC313414AO00ENG.png)
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(1)Disconnect corner sensor/
back sonar sensor-ECU connector C-137, and measure at the
wiring harness side. (2)Turn the ignition switch to "ON"
position.
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![](../../../img/54/AC310507EO00ENG.png)
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(3)Measure the voltage between
terminal 11 and earth. OK: System
voltage
Q.
Is the check result normal?
Go to Step
4.
Go to Step
3.
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![](../../../img/54/AC313416AW00ENG.png)
![](../../../img/54/AC313419AS00ENG.png)
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note |
Before the wiring harness
inspection, inspect the joint connector C-33,
junction block connector C-202 and C-203, and
repair if necessary.
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Q.
Is the check result normal?
Retest the
system.
Repair the wiring
harness.
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![](../../../img/54/AC313414AO00ENG.png)
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(1)Disconnect corner sensor/
back sonar sensor-ECU connector C-137, and measure at the
wiring harness side.
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![](../../../img/54/AC310506DH00ENG.png)
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(2)Measure the resistance between
terminal 20 and earth. OK: Continuity exists (2
Ω or less)
Q.
Is the check result normal?
Go to Step
6.
Go to Step
5.
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![](../../../img/54/AC313416AH00ENG.png)
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note |
Before the wiring harness
inspection, inspect the joint connector C-31,
and repair if necessary.
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Q.
Is the check result normal?
Retest the
system.
Repair the wiring
harness.
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After replacing the corner
sensor/back sonar sensor-ECU, inspect the indicator
lamp for normal operation.
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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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