Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: When the millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed (See ADJUSTMENT ).

ADJUST MILLIMETER WAVE RADAR SENSOR
1. Adjust the millimeter wave radar sensor (See ADJUSTMENT ).

CHECK DTC

Clear the DTC (See DTC CHECK / CLEAR ).
Turn the cruise control main switch on.
Drive the vehicle at the require speed (45 km/h (27 mph) or higher).

Check if the same DTC is recorded (See DTC CHECK / CLEAR ).

Result

RESULT REFERENCE

Result	Proceed to
DTC P1572 is not output	A
DTC P1572 is output	B

B: REPLACE MILLIMETER WAVE RADAR SENSOR (See MILLIMETER WAVE RADAR SENSOR )

A: END