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When the system cannot be activated or
deactivated even if sonar cancel switch is pressed, the wiring harness,
connectors, sonar cancel switch, or corner sensor-ECU may be
defective.
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- Damaged harness wires and connectors
- Malfunction of sonar cancel switch
- Malfunction of corner sensor-ECU
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Q.
Is the check result normal?
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Repair
the defective connector.
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Inspect the sonar cancel switch for normal
operation. Refer to .
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Q.
Is the check result normal?
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Replace the sonar cancel
switch.
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(1)Disconnect D-27 sonar cancel switch connector, and measure
at the wiring harness side.
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(2)Measure the resistance between terminal No. 4 and
earth. OK: Continuity exists (2 Ω or less)
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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Repair
the wiring harness.
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Q.
Is the check result normal?
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Repair
the defective connector.
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Q.
Is the check result normal?
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Replace the corner
sensor-ECU.
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Repair
the wiring harness.
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