Lexus NX: System Diagram
Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (engine Control) / Sfi System / System Diagram
SYSTEM DIAGRAM
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS
NEXT 3. CONNEC
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM use
Basic Inspection
CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by
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System Too Lean (Bank 1) (P0171,P0172)
DESCRIPTION The fuel trim is related to the feedback compensation value, not to the basic injection duration. The fuel trim consists of both the short-term and long-term fuel trims. The short-term fuel trim is fuel compensation that is used to constantly maintain the air fuel ratio at stoichiometric
Torque Sensor Zero Point Adjustment Undone (C1515,C1516)
DESCRIPTION These DTCs do not indicate a malfunction. The power steering ECU assembly stores C1515 when it determines that torque sensor zero point calibration has not been performed. The power steering ECU assembly stores C1516 when it determines that torque sensor zero point calibration has not co
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