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a. Replace the air fuel ratio sensor (see REMOVAL ). 7. PERFORM CONFIRMATION DRIVING PATTERN 8. CHECK WHETHER DTC OUTPUT RECURS (DTC P2195, P2196, P2197 OR P2198) a. Read DTCs using the Techstream. b. Enter the following menus: Powertrain/Engine and ECT/Trouble Codes/Pending. c. Read pending DTCs. Result DTC OUTPUT RESULT B: REPLACE ECM (See REMOVAL ) A: END 9. INSPECT AIR FUEL RATIO SENSOR (HEATER RESISTANCE) (See INSPECTION PROCEDURE ) NG: REPLACE AIR FUEL RATIO SENSOR (See REMOVAL ) OK: Go to Next Step 10. INSPECT INTEGRATION RELAY (A/F) (See INSPECTION PROCEDURE ) NG: REPLACE INTEGRATION RELAY (A/F) (See ON-VEHICLE INSPECTION ) OK: Go to Next Step 11. CHECK HARNESS AND CONNECTOR (A/F SENSOR - ECM) a. Disconnect the D33 or D34 A/F sensor connector. b. Turn the ignition switch to ON. c. Measure the voltage according to the value (s) in the table below. Standard voltage VOLTAGE SPECIFIED CONDITION d. Turn the ignition switch off. Result Proceed to No DTC is output A P2195 P2196 P2197 or P2198 is output B Tester Connection Switch Condition Specified Condition D33-2 ( B) - Body ground Ignition switch ON 11 to 14 V D34-2 ( B) - Body ground Ignition switch ON 11 to 14 V
2009 Toyota Tundra 2009 ENGINE PERFORMANCE Engine Control System (3UR-FBE) - Tundra
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