Home

Toyota Workshop

GSIC - Global Service Information Center

DTC    P2195    Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1)


DESCRIPTION

WIRING DIAGRAM

CONFIRMATION DRIVING PATTERN

INSPECTION PROCEDURE

CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO P2195 OR P2196)

CONFIRM IF VEHICLE HAS RUN OUT OF FUEL IN PAST

PERFORM CONFIRMATION DRIVING PATTERN

READ VALUE USING INTELLIGENT TESTER (TEST VALUE OF AIR FUEL RATIO SENSOR)

READ VALUE USING INTELLIGENT TESTER (OUTPUT VOLTAGE OF AIR FUEL RATIO SENSOR)

CHECK INTAKE SYSTEM

CHECK FOR EXHAUST GAS LEAK

CHECK FUEL PRESSURE

INSPECT FUEL INJECTOR ASSEMBLY

REPLACE AIR FUEL RATIO SENSOR NO.2

PERFORM CONFIRMATION DRIVING PATTERN

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE EGR STEP POSITION)

INSPECT EGR VALVE ASSEMBLY

REPLACE ECM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

REPLACE AIR FUEL RATIO SENSOR NO.2

PERFORM CONFIRMATION DRIVING PATTERN

CHECK FUEL LINE