2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) U CODE Page 338

(a) Disconnect the driving support ECU connector.

(b) Turn the engine switch on (IG).

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

(d) Reconnect the driving support ECU connector.

NG -- REPLACE MILLIMETER WAVE RADAR SENSOR See: Accessories and Optional Equipment/Collision Avoidance and

Parking Assist Systems/Distance Sensor/Service and Repair/Components

OK -- Continue to next step.

5. REPLACE DRIVING SUPPORT ECU

(a) Replace the driving support ECU See: Cruise Control/Cruise Control Module/Service and Repair/Components.

NEXT -- Continue to next step.

6. CHECK DTC OUTPUT

(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