Lexus NX manuals

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.

  1. Clear the DTCs.

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  2. Switch the ECM from normal mode to check mode using the Techstream.

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  3. Perform a simulation test.

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  4. 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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 Installation

INSTALLATION PROCEDURE 1. INSTALL TRANSMISSION CONTROL CABLE ASSEMBLY NOTICE: Before installing the transmission control cable assembly, check that the shift lever position sensor and the shift lever are in neutral. (a) Install the transmission control cable assembly to the body with the 2 bolts.

 Vehicle Information Unmatched (C168D)

DESCRIPTION This DTC is stored if the parking assist ECU judges as a result of its self check that the vehicle information received via CAN communication and the vehicle information stored in the parking assist ECU do not match. DTC No. Detection Item DTC Detection Condition Trouble Area

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