Lexus NX: Emission Control System
Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (emission Control) / Emission Control System
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Parts Location
PARTS LOCATION ILLUSTRATION *1 AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1) *2 CHARCOAL CANISTER ASSEMBLY *3 EGR VALVE ASSEMBLY *4 FUEL TANK CAP ASSEMBLY *5 HEATED OXYGEN SENS
System Diagram
SYSTEM DIAGRAM *1 ECM *2 Engine Coolant Temperature Sensor *3 Air Fuel Ratio Sensor (for Bank 1 Sensor 1) *4 Heated Oxygen Sensor (for Bank 1 Sensor 2) *5 Crankshaft Position
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. VISUALLY INSPECT HOSES, CONNECTIONS AND GASKETS (a) Visually check that the hoses, connections and gaskets have no cracks, leaks or damage. NOTICE:
Detachment or
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Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION During sleep mode, the occupant detection ECU monitors the condition of each sensor while the power switch is off. In this mode, if the occupant detection ECU detects an internal malfunction, DTC B1796 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B1
Front passenger occupant classification
system
Your vehicle is equipped with a front passenger occupant classification
system.
This system detects the conditions of the front passenger seat and activates
or deactivates the front passenger airbag and seat cushion airbag in the
front passenger side.
System components
SRS warning ligh
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