Lexus NX: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here
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.
AFS (Adaptive Front-lighting System)
| Symptom | Suspected Area | Link |
| AFS (adaptive front-lighting system) control does not operate (Left Headlight) | Headlight unit assembly LH | |
| Headlight ECU sub-assembly LH | |
| AFS (adaptive front-lighting system) control does not operate (Right Headlight) | Headlight unit assembly RH | |
| Headlight ECU sub-assembly RH | |
READ NEXT:
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here CHECK HEADLIGHT ECU SUB-ASSEMBLY LH Click here CHECK HEADLIGHT ECU SUB-ASS
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an automatic headlight beam level control system DTC is stored, the headlight ECU subassembly LH stores the current vehicle state as freeze frame data.
SEE MORE:
INSTALLATION PROCEDURE 1. INSTALL CLOCK ASSEMBLY (a) Attach the 2 claws to install the clock assembly. 2. INSTALL AIR CONDITIONING CONTROL ASSEMBLY (a) Connect the connectors. (b) Attach the 6 clips to install the air conditioning control assembly. 3. INSTALL CENTER INS
INSTALLATION PROCEDURE 1. INSTALL FUEL PUMP CONTROL ECU ASSEMBLY Click here 2. INSTALL PARKING BRAKE ECU ASSEMBLY (a) Install the parking brake ECU assembly with the 2 bolts. Torque: 8.0 N·m {82 kgf·cm, 71 in·lbf} (b) Connect the 3 connectors. 3. INSTALL DECK TRIM SIDE PANEL ASSEMBLY LH Click
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