2. CHECK DTC
(a) Clear the DTCs See: Cruise Control/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Dynamic Radar Cruise
Control System.
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT
If the detection conditions are not met, the malfunction cannot be detected.
(1) Drive the vehicle at a speed of 50 km/h (31 mph) or more.
(2) Turn the cruise control main switch on.
(c) Check for DTCs See: Cruise Control/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Dynamic Radar Cruise
Control System.
Result:
B -- REPLACE MILLIMETER WAVE RADAR SENSOR See: Accessories and Optional Equipment/Collision Avoidance and
Parking Assist Systems/Distance Sensor/Service and Repair/Components
A -- END
Up to 08/2009
CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P1575: Warning Buzzer Malfunction
P1575 - Warning Buzzer Malfunction
DESCRIPTION
The skid control ECU receives an alarm demand signal from the driving support ECU and operates the skid control buzzer. The buzzer sounds to
warn that the distance between the vehicle in front and your own vehicle is decreasing.
HINT
If the vehicle ahead in the same lane significantly decreases its speed or another vehicle moves in front of your vehicle, adequate
deceleration cannot be applied and the vehicle-to-vehicle distance will shorten. At this time, the system sounds the buzzer and the
master warning light blinks to inform the driver. This circuit uses CAN communication. Therefore, if there are any malfunctions
in the communication circuit, one or more DTCs in the CAN communication system are output.
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