2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) P Code Charts Page 2602

B -- REPLACE AIR FUEL RATIO SENSOR

A -- CHECK FOR INTERMITTENT PROBLEMS

7. REPLACE AIR FUEL RATIO SENSOR

(a) Replace the air fuel ratio sensor See: Powertrain Management/Computers and Control Systems/Oxygen Sensor/Service and

Repair/Air Fuel Ratio Sensor/Removal.

NEXT -- Continue to next step.

8. PERFORM CONFIRMATION DRIVING PATTERN

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Clear the DTCs See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing

Diagnostic Trouble Codes/DTC Check / Clear.

(e) Turn the engine switch off.

(f) Turn the engine switch on (IG) and turn the Techstream on.

(g) Start the engine and warm it up.

(h) Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.

(i) Enter the following menus: Powertrain / Engine / Utility / All Readiness.

(j) Input the DTC: P2195, P2196, P2197 or P2198.

(k) Check the DTC judgment result.

Result:

B -- REPLACE ECM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and

Repair/Removal

A -- END

9. INSPECT AIR FUEL RATIO SENSOR (HEATER RESISTANCE)

(a) Disconnect the air fuel ratio sensor connector.

(b) Measure the resistance according to the value(s) in the table below.