Lexus NX: Check For Intermittent Problems
Lexus NX Service Manual / Engine & Hybrid System / 2ar-fxe (engine Control) / Sfi System / 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 uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
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Clear the DTCs.
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Switch the ECM from normal mode to check mode using the Techstream.
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Perform a simulation test.
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Check and wiggle the harness(es), connector(s) and terminal(s).
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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
Registration
REGISTRATION CAUTION / NOTICE / HINT NOTICE: The Vehicle Identification Number (VIN) must be input into a replacement ECM. HINT: The VIN is a 17-digit alphanumeric vehicle identification number. The T
Initialization
INITIALIZATION Inspection After Repair Perform learning value reset and idle learning after replacing or servicing parts related to engine operation. Details on procedures required are indicated by an
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Parts Location
PARTS LOCATION ILLUSTRATION *1 REAR POWER SEAT SWITCH (REAR RIGHT SEAT) *2 REAR POWER SEAT SWITCH (REAR LEFT SEAT) *3 NO. 2 FOLD SEAT SWITCH ASSEMBLY *4 REAR SEATBACK FRAME SUB-ASSEMBLY RH
- FOLD MOTOR
- RECLINING MOTOR
*5 FOLD SEAT CONTROL ECU (REAR RIGHT SEAT) *
Installation
INSTALLATION PROCEDURE 1. INSTALL INTEGRATION CONTROL AND PANEL ASSEMBLY (VSC OFF SWITCH) (a) Install the integration control and panel assembly (VSC OFF switch) to the upper rear console panel sub-assembly with the 2 screws. HINT: The locations labeled A in the illustration are tightened togethe
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