Lexus NX: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Adaptive Variable Suspension System

Symptom

Suspected Area

Link

Absorber control ECU does not operate

Harness or connector (power source of ECU)

Absorber control ECU

DTC cannot be output

CAN communication system

Harness or connector (power source of ECU)

Absorber control ECU

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 Terminals Of Ecu

TERMINALS OF ECU CHECK ABSORBER CONTROL ECU *a Component with harness connected (Absorber Control ECU) - - HINT: Inspect the connectors from the back side while the connectors are conn

 Diagnosis System

DIAGNOSIS SYSTEM DIAGNOSIS SYSTEM (a) DTCs (normal mode) (1) DTCs are stored in the absorber control ECU and output by using the Techstream. Refer to the DTC check procedure. Click here (b) Test mod

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK FOR DTC (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Cha

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 Check Bus 2 Line for Short to GND

DESCRIPTION There may be a short circuit between one of the CAN bus wire and GND when there is no resistance between terminal 18 (CA4H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 17 (CA4L) of the central gateway ECU (network gateway ECU) and termina

 Disassembly

DISASSEMBLY PROCEDURE 1. FIX STEERING GEAR ASSEMBLY (a) Using SST, fix the steering gear assembly. SST: 09612-00012 HINT: Apply protective tape to SST before use. *a Protective Tape 2. REMOVE TIE ROD END SUB-ASSEMBLY LH (a) Put matchmarks on the tie rod end sub-assembly

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