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.
| *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 / AFS / Trouble Co
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
Freeze Frame Data
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:
Diagnosis System
DIAGNOSIS SYSTEM CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION (a) The systems (ECUs and sensors) that use CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed to the vehicle. Connected to Code
Power Retractable Mirrors do not Operate with Power Retract Mirror Switch
DESCRIPTION When the outer mirror switch assembly (mirror retract switch) is operated, a retract/return signal is received by the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) retracts and returns the outer rear view mirror assembly based on the received
