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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 Terminals Of Ecu

TERMINALS OF ECU CHECK ABSORBER CONTROL ECU *a Component with harness connected (Absorber Control ECU) - - HINT: Inspect the connectors from the back side while the connectors are connected. Check the operation of a particular valve by listening for operating sounds or by using the

 DCM System Internal Failure (B15A804)

DESCRIPTION This DTC is stored when an internal circuit malfunction is detected by the DCM (telematics transceiver) self check. DTC No. Detection Item DTC Detection Condition Trouble Area B15A804 DCM System Internal Failure DCM (telematics transceiver) internal malfunction DCM (te

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