C1A10

PRE-COLLISION: PRE-COLLISION SYSTEM: C1A10: Front Radar Sensor
C1A10 - Front Radar Sensor

DESCRIPTION

The driving support ECU uses the millimeter wave radar sensor assembly and lane recognition camera sensor assembly 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 assembly is replaced with a new one, adjustment of the radar sensor beam axis must be performed Adjustments.

PROCEDURE

1. REPLACE MILLIMETER WAVE RADAR SENSOR

(a) Replace the millimeter wave radar sensor assembly Removal.

NEXT -- Continue to next step.

2. ADJUST MILLIMETER WAVE RADAR SENSOR

(a) Adjust the millimeter wave radar sensor assembly 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 Pre-Collision System.

(c) 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 40 km/h (25 mph) or more.

(2) Turn the cruise main switch on.

(3) Enter vehicle-to-vehicle distance control mode.

(d) Recheck for DTCs.

OK:

DTC C1A10 is not output.

NG -- REPLACE DRIVING SUPPORT ECU Removal

OK -- END