GS 460 V8-4.6L (1UR-FSE) (2008)
NOTICE:
The Air-Fuel Ratio (A/F) sensor has an output delay of a few seconds and the Heated Oxygen (HO2) sensor has a maximum output delay of
approximately 20 seconds.
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Following the Control the Injection Volume for A/F sensor procedure enables technicians to check and graph the voltage outputs of both
the A/F and HO2 sensors.
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To display the graph, enter the following menus on the tester: Powertrain / Engine / Active Test / Control the Injection Volume for A/F
sensor / A/F Control System / AFS B1 S1 and O2S B1 S2 or AFS B2 S1 and O2S B2 S2, and press the YES button and then the ENTER
button followed by the F4 button.