GS 350 RWD V6-3.5L (2GR-FSE) (2007)
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Oxygen Sensor: Testing and Inspection
Air Fuel Ratio Sensor
ON-VEHICLE INSPECTION
1. INSPECT AIR FUEL RATIO SENSOR
a. Disconnect the sensor connector.
b. Measure the heater resistance of the sensor.
If the result is not as specified, replace the sensor.
2. INSPECT AIR-FUEL RATIO COMPENSATION SYSTEM
a. Connect the intelligent tester to the DLC3.
b. Turn the engine switch ON (IG).
c. Select the given menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST/A/FS B1 S1, A/ FS B2 S1, O2S B1 S2 and O2S B2 S2.
d. Warm up the A/F sensor by running the engine at 2,500 rpm for approximately 2 minutes.
