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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 A/C Inverter Cooling / Heating System Malfunction (B1475)

DESCRIPTION The temperature sensor of the compressor with motor assembly detects the A/C inverter temperature. If the temperature exceeds the maximum, operation of the compressor with motor assembly will be stopped, and this DTC will be stored. DTC No. Detection Item DTC Detection Condition

 Freeze Frame Data

FREEZE FRAME DATA CHECK FREEZE FRAME DATA (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 / Navigation System / Trouble Codes. Body Electrical > Navigation System > Trouble Codes (e) Select a

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