Lexus NX: Diagnosis System

DIAGNOSIS SYSTEM

CHECK DLC3

(a) Check the DLC3.

Click here

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.

READ NEXT:

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th

 Mirror Heater does not Operate with Rear Defogger Switch

DESCRIPTION When the rear window defogger switch (mirror heater switch) on the air conditioning control assembly is pressed, the operation signal is transmitted to the air conditioning amplifier assem

 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 (multipl

SEE MORE:

 Entry Unlock and Unlatch Functions do not Operate Using Kick Sensor

DESCRIPTION If the hands free power back door operation does not operate, it could indicate the certification ECU (smart key ECU assembly) did not transmit a power back door open request signal, or a malfunction in the power back door system. CAUTION / NOTICE / HINT NOTICE: The smart access syste

 Drive Motor "B" Control Module (P0A1C-710,P0A1C-797,P1C2C-706,P1CA8-708)

DESCRIPTION The MG ECU, which is built into the inverter with converter assembly, monitors its internal operation and will store DTCs if the system is malfunctioning. If any of the following DTCs are output, replace the inverter with converter assembly. DTC No. Detection Item DTC Detection Co

© 2016-2026 Copyright www.lexunx.com