INSPECTION PROCEDURE
NOTICE:
When the millimeter wave radar sensor is replaced 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. 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.
Result:
B -- GO TO DIAGNOSTIC TROUBLE CODE CHART See: Diagnostic Trouble Code Descriptions/Pre-Collision System
A -- Continue to next step.
2. 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.
3. 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.
4. 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 C1A0A is not output.
NG -- REPLACE MULTIPLEX NETWORK BODY ECU See: Body and Frame/Body Control Systems/Body Control
Module/Service and Repair/Removal
OK -- END
Up to 08/2009
PRE-COLLISION: PRE-COLLISION SYSTEM: C1A01: Driving Support ECU
C1A01 - Driving Support ECU
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 calculates the risk of a collision and operates the pre-collision system when it determines that the
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