Lexus NX: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) Lighting system data and the Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions, and then perform repairs.
CHECK DLC3
(a) Check the DLC3.
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INSPECT AUXILIARY BATTERY VOLTAGE
(a) Measure the auxiliary battery voltage with the power switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding.
DIAGNOSIS SYSTEM
(a) When a headlight assembly malfunctions, "Headlight System Malfunction Visit Your Dealer" is displayed on the multi-information display.
HINT:
If the system returns to normal, the warning message "Headlight System Malfunction Visit Your Dealer" displayed on the multi-information display turns off.
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| *a | Multi-information Display |
READ NEXT:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK FOR 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 / Main body / Trou
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a DTC is detected, the headlight ECU sub-assembly or front recognition camera stores the current vehicle (sensor) state as freeze frame data. CHECK FRE
Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) Headlight ECU sub-assembly (1) The headlight ECU sub-assembly stops light operation if the following malfunctions are detected. Malfunction Multi-informatio
SEE MORE:
Installation
INSTALLATION PROCEDURE 1. INSTALL AUXILIARY BATTERY (a) Install the auxiliary battery. (b) Install the battery insulator to the auxiliary battery. (c) Install the L-shaped pipe section to the auxiliary battery without twisting the battery hose. HINT: Insert the auxiliary battery hose
Installation
INSTALLATION PROCEDURE 1. INSTALL KICK DOOR CONTROL SENSOR (a) Insert the guide, attach the 2 claws and install the kick door control sensor to the kick door control bracket as shown in the illustration. NOTICE:
Do not subject the kick door control sensor to strong impacts or force, and do n
