Lexus NX: Precaution

PRECAUTION

CAUTION:

  • Before inspecting the high-voltage system or disconnecting the low voltage connector of the inverter with converter assembly, take safety precautions such as wearing insulated gloves and removing the service plug grip to prevent electrical shocks. After removing the service plug grip, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system.
  • After removing the service plug grip, wait for the specified time before touching the high voltage connectors or terminals. Then, check that the voltage is zero at the voltage inspection point on the inverter with converter assembly.

    HINT:

    • This is the time required to discharge the high voltage capacitor in the inverter with converter assembly.
    • The waiting time required varies according to the model.

NOTICE:

  • If the auxiliary battery is fully depleted or "READY" does not light up, recharge the auxiliary battery.
  • Never disconnect the auxiliary battery while the power switch is on (READY).
  • Before giving the auxiliary battery a quick charge, disconnect the auxiliary battery cables.
  • Check the auxiliary battery again before the vehicle is returned to the customer.
  • If the auxiliary battery has been removed, clean the auxiliary battery hose and check that it is not clogged.
  • After installing the auxiliary battery hose, check that the hose is not kinked.

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 System Diagram

SYSTEM DIAGRAM

 How To Proceed With Troubleshooting

PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CONFIRM PROBLEM SYMPTOMS NEXT 3. CUSTOMER PROBLEM ANALYSIS (a) Check if the vehicle has be

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. CHECK AUXILIARY BATTERY (a) Check that the auxiliary battery cables are connected to the correct terminals. HINT: If they are not, connect them properly. (b) Check t

SEE MORE:

 Parts Location

PARTS LOCATION ILLUSTRATION *1 OUTER REAR VIEW MIRROR ASSEMBLY LH *2 OUTER REAR VIEW MIRROR ASSEMBLY RH *3 OUTER MIRROR LH *4 OUTER MIRROR RH *5 NO. 2 ENGINE ROOM RELAY BLOCK - DEF RELAY - ECU-B NO.2 FUSE - DEF FUSE - MIR HTR FUSE - MIRROR FUSE *6 FUSE BLOCK ASSEMBLY -

 Removal

REMOVAL PROCEDURE 1. REMOVE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY WITH FRONT DOOR ARMREST BASE PANEL Click here 2. REMOVE OUTER MIRROR SWITCH ASSEMBLY (a) Using a precision screwdriver, detach the 4 claws and remove the outer mirror switch assembly. HINT: Tape the precision screwdriver

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