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.

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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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 Hazard Warning Switch

InspectionINSPECTION PROCEDURE 1. INSPECT AIR CONDITIONING CONTROL ASSEMBLY (HAZARD WARNING SWITCH) (a) Remove the air conditioning control assembly. Click here (b) Inspect the hazard warning switch. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:

 Brake Hydraulic Pressure Malfunction (C164F)

DESCRIPTION When a malfunction signal sent from the brake booster with master cylinder assembly (skid control ECU) via CAN communication is detected by the clearance warning ECU assembly, DTC C164F is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C164F Brake Hydr

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