Lexus NX: Diagnosis System

DIAGNOSIS SYSTEM

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.

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 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

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 Installation

INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONER PRESSURE SENSOR (a) Remove the vinyl tape from the liquid pipe sub-assembly and the connecting part of the air conditioner pressure sensor. (b) Apply sufficient compressor oil to the O-ring of a new air conditioner pressure sensor and the connecting

 Assist Map Number Un-Writing (C1581)

DESCRIPTION This DTC will be stored if the power steering ECU assembly determines that the assist map is not written in the ECU. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1581 Assist Map Number Un-Writing Assi

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