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Symptom
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Suspected Area
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Link
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"Pre-Collision System Unavailable" is displayed
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Perform millimeter wave radar sensor assembly adjustment*
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Millimeter wave radar sensor assembly temperature malfunction
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Millimeter wave radar sensor assembly low voltage malfunction
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Millimeter wave radar sensor assembly
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Combination meter assembly
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Trailer brake control ECU (brake control with bracket relay)
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"Pre-Collision System Unavailable Clean Sensor" is displayed
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Foreign matter attached to millimeter wave radar sensor assembly
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-
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Millimeter wave radar sensor assembly
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Combination meter assembly
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"Front Camera Unavailable" is displayed
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Check current condition of forward recognition camera based on related
Data List items.
- Abnormal forward recognition camera voltage
- Forward recognition camera temperature outside of operational range
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Forward recognition camera
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Combination meter assembly
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Millimeter wave radar sensor assembly
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"Front Camera Unavailable Remove Debris On Windshield" is displayed
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The forward recognition camera or windshield glass within the field of
view of the forward recognition camera is dirty or fogged up
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-
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Forward recognition camera
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Combination meter assembly
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Millimeter wave radar sensor assembly
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Although there is possibility of collision, pre-collision controls (all
controls) do not operate ("Pre-collision System Unavailable" is not displayed)
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Check if pre-collision system is canceled
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-
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Vehicle condition/environment does not match the pre-collision system
operation conditions (Confirm control operation conditions)
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Check installation condition of millimeter wave radar sensor assembly
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Perform millimeter wave radar sensor assembly adjustment
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Millimeter wave radar sensor assembly
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Check installation condition of forward recognition camera
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Perform forward recognition camera adjustment
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Forward recognition camera
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Although there is no possibility of collision, pre-collision controls
(all controls) operate
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Vehicle condition/environment does not match the pre-collision system
operation conditions (Confirm control operation conditions)
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Check installation condition of millimeter wave radar sensor assembly
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Perform millimeter wave radar sensor assembly adjustment
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Millimeter wave radar sensor assembly
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Check installation condition of forward recognition camera
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Perform forward recognition camera adjustment
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Forward recognition camera
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Pre-collision system does not operate
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Check if pre-collision system is canceled
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-
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ECU power source circuit
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Millimeter wave radar sensor assembly
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Pre-collision system cannot be canceled (PCS warning light does not illuminate)
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Check steering pad switch assembly condition
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-
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Combination meter assembly (check if indicator illuminates using Active
Test)
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Millimeter wave radar sensor assembly
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Combination meter assembly
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Pre-collision system warning timing cannot be changed (warning timing
setting screen not displayed on multi-information display)
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Millimeter wave radar sensor assembly
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Combination meter assembly
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