(b) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.
(c) Recheck for DTCs.
OK:
CAN communication system DTC is not output.
NG -- GO TO CAN COMMUNICATION SYSTEM See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview/CAN Communication System/How to Proceed With
Troubleshooting
OK -- REPLACE DRIVING SUPPORT ECU See: Cruise Control/Cruise Control Module/Service and Repair/Removal
Up to 08/2009
PRE-COLLISION: PRE-COLLISION SYSTEM: C1A10: Front Radar Sensor
C1A10 - Front Radar Sensor
DESCRIPTION
The driving support ECU uses the millimeter wave radar sensor to detect obstacles in front of the vehicle.
Based on this information, the driving support ECU sends pre-collision control operation signals.
When the driving support ECU receives information that there is a malfunction in the millimeter wave radar sensor, DTC C1A10 is stored.
INSPECTION PROCEDURE
NOTICE:
When the millimeter wave radar sensor is replace with a new one, adjustment of the radar sensor beam axis must be performed
See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Distance Sensor/Adjustments.
PROCEDURE
1. REPLACE MILLIMETER WAVE RADAR SENSOR
(a) Replace the millimeter wave radar sensor See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Distance Sensor/Service and Repair/Removal.
NEXT -- Continue to next step.
2. ADJUST MILLIMETER WAVE RADAR SENSOR
(a) Adjust the millimeter wave radar sensor See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Distance Sensor/Adjustments.
NEXT -- Continue to next step.
3. CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)
(a) Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
(b) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Pre-Collision System.
(c) Recheck for DTCs.
OK:
DTC C1A10 is not output.
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