FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) When a malfunction occurs in the pre-collision system, a message will be displayed on the multi-information display and the pre-collision system will be disabled depending on the malfunction.
Warning Message |
Cause |
DTC No. |
Conditions to Return to Normal |
---|---|---|---|
"Pre-Collision System Malfunction Visit Your Dealer" |
Pre-collision system malfunction |
C1A02 |
System returns to normal |
C1A10 |
After system returns to normal, ignition switch is turned off and then ON |
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C1A11 |
After system returns to normal, ignition switch is turned off and then ON |
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C1A14 |
After system returns to normal, ignition switch is turned off and then ON |
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C1A46 |
After system returns to normal, ignition switch is turned off and then ON |
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C1A47 |
After system returns to normal, ignition switch is turned off and then ON |
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C1A4A |
System returns to normal |
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C1A4B |
System returns to normal |
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C1A50 |
System returns to normal |
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C1A63 |
System returns to normal |
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C1A69 |
After system returns to normal, ignition switch is turned off and then ON |
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C1AA0 |
After system returns to normal, ignition switch is turned off and then ON |
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C1AA8 |
After system returns to normal, ignition switch is turned off and then ON |
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C1AA9 |
After system returns to normal, ignition switch is turned off and then ON |
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C1AAE |
System returns to normal |
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U0100 |
System returns to normal |
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U0125 |
System returns to normal |
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U0126 |
System returns to normal |
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U0129 |
System returns to normal |
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U0235 |
System returns to normal |
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U023A |
System returns to normal |
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U1002 |
System returns to normal |
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"Pre-Collision System Unavailable" |
Millimeter wave radar sensor assembly misaligned |
Millimeter wave radar sensor assembly beam axis adjustment is completed and beam axis learning is completed |
|
"Pre-Collision System Unavailable Clean Sensor" |
Foreign matter attached to millimeter wave radar sensor assembly |
Millimeter wave radar sensor assembly is cleaned |
|
"Front Camera Unavailable" |
Forward recognition camera temporarily malfunctioning
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"Front Camera Unavailable Remove Debris On Windshield" |
The forward recognition camera or windshield glass within the field of view of the forward recognition camera is dirty or fogged up |
The forward recognition camera or windshield glass within the field of view of the forward recognition camera is dirty or fogged up is cleaned |
Steering Angle Sensor Zero Point Malfunction (C1290)
DESCRIPTION
The skid control ECU (master cylinder solenoid) acquires steering angle sensor
zero point every time the ignition switch is turned to ON and the vehicle is driven
at 35 km/h (22 mph) or more for approximately 5 seconds. The ECU also stores the
previous zero point.
If the front wh ...
Front Radar Sensor Incorrect Axial Gap (C1A11)
DESCRIPTION
When the vehicle is determined to be driving in a straight line or on a gradual
curve based on signals from the yaw rate sensor, etc., the millimeter wave radar
sensor assembly performs self diagnosis to check if the sensor beam axis has deviated.
If the millimeter wave radar sens ...
System Description
SYSTEM DESCRIPTION
1. FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM
(a) General Description
(1) The front passenger occupant detection ECU determines whether the front passenger
seat is occupied by an adult or child (with child seat) or is unoccupied, based
on the load that is applied to the ...